Contents. Aruba JH147A, R11xx-FlexNetwork 5510 HI Layer 3 - IP Routing

Contents

Configuring basic IP routing ································································ 1

Routing table ···························································································································· 1

Dynamic routing protocols ············································································································ 2

Route preference ······················································································································· 2

Load sharing ····························································································································· 3

Route backup ···························································································································· 3

Route recursion ························································································································· 3

Route redistribution ···················································································································· 3

Extension attribute redistribution ··································································································· 3

Configuring the maximum lifetime for routes and labels in the RIB ························································ 4

Configuring the maximum lifetime for routes in the FIB ······································································· 4

Configuring the maximum number of ECMP routes ··········································································· 5

Enabling the enhanced ECMP mode ······························································································ 5

Enabling support for IPv6 routes with prefixes longer than 64 bits ························································· 6

Displaying and maintaining a routing table ······················································································· 6

Configuring static routing ··································································· 8

Configuring a static route ············································································································· 8

Configuring BFD for static routes ··································································································· 9

Bidirectional control mode ····································································································· 9

Single-hop echo mode ········································································································ 10

Configuring static route FRR ······································································································ 11

Configuration guidelines ····································································································· 11

Configuration procedure ····································································································· 11

Displaying and maintaining static routes ······················································································· 12

Static route configuration examples ····························································································· 13

Basic static route configuration example ················································································· 13

BFD for static routes configuration example (direct next hop) ······················································ 15

BFD for static routes configuration example (indirect next hop) ··················································· 17

Static route FRR configuration example ················································································· 20

Configuring a default route ······························································· 23

Configuring RIP ············································································· 24

Overview ································································································································ 24

RIP route entries ··············································································································· 24

Routing loop prevention ······································································································ 24

RIP operation ··················································································································· 24

RIP versions ····················································································································· 25

Protocols and standards ····································································································· 25

RIP configuration task list ·········································································································· 25

Configuring basic RIP ··············································································································· 26

Enabling RIP ···················································································································· 26

Controlling RIP reception and advertisement on interfaces ························································· 27

Configuring a RIP version ··································································································· 27

Configuring RIP route control ······································································································ 28

Configuring an additional routing metric·················································································· 28

Configuring RIPv2 route summarization ················································································· 29

Disabling host route reception ······························································································ 29

Advertising a default route ··································································································· 30

Configuring received/redistributed route filtering ······································································· 30

Configuring a preference for RIP ·························································································· 31

Configuring RIP route redistribution ······················································································· 31

Tuning and optimizing RIP networks ···························································································· 32

Configuration prerequisites ·································································································· 32

Configuring RIP timers ······································································································· 32

Enabling split horizon and poison reverse ··············································································· 32

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Configuring the maximum number of ECMP routes ··································································· 33

Enabling zero field check on incoming RIPv1 messages ···························································· 34

Enabling source IP address check on incoming RIP updates ······················································ 34

Configuring RIPv2 message authentication ············································································· 34

Specifying a RIP neighbor ··································································································· 35

Configuring RIP network management ··················································································· 35

Configuring the RIP packet sending rate ················································································· 35

Setting the maximum length of RIP packets ············································································ 36

Configuring RIP GR ·················································································································· 36

Configuring BFD for RIP ············································································································ 37

Configuring single-hop echo detection (for a directly connected RIP neighbor) ······························· 37

Configuring single-hop echo detection (for a specific destination) ················································ 37

Configuring bidirectional control detection ··············································································· 38

Configuring RIP FRR ················································································································ 38

Configuration restrictions and guidelines ················································································ 39



Displaying and maintaining RIP ··································································································· 39

RIP configuration examples ········································································································ 40

Basic RIP configuration example ·························································································· 40

RIP route redistribution configuration example ········································································· 43

RIP interface additional metric configuration example ································································ 45

RIP summary route advertisement configuration example ·························································· 46

BFD for RIP configuration example (single-hop echo detection for a directly connected neighbor) ······ 49

BFD for RIP configuration example (single hop echo detection for a specific destination) ·················· 51

BFD for RIP configuration example (bidirectional detection in BFD control packet mode) ·················· 54

RIP FRR configuration example ··························································································· 57

Configuring OSPF ·········································································· 60

Overview ································································································································ 60

OSPF packets ·················································································································· 60

LSA types ························································································································ 60

OSPF areas ····················································································································· 61

Router types ····················································································································· 63

Route types ······················································································································ 64

Route calculation ··············································································································· 64

OSPF network types ·········································································································· 65

DR and BDR ···················································································································· 65

Protocols and standards ····································································································· 66

OSPF configuration task list ······································································································· 66

Enabling OSPF ······················································································································· 68



Enabling OSPF on a network ······························································································· 68

Enabling OSPF on an interface ···························································································· 69

Configuring OSPF areas ············································································································ 69

Configuring a stub area ······································································································ 70

Configuring an NSSA area ·································································································· 70

Configuring a virtual link ······································································································ 71

Configuring OSPF network types ································································································· 71


Configuring the broadcast network type for an interface ····························································· 72

Configuring the NBMA network type for an interface ································································· 72

Configuring the P2MP network type for an interface ·································································· 73

Configuring the P2P network type for an interface ···································································· 73

Configuring OSPF route control ·································································································· 74


Configuring OSPF route summarization ················································································· 74

Configuring received OSPF route filtering ··············································································· 75

Configuring Type-3 LSA filtering ··························································································· 76

Configuring an OSPF cost for an interface ·············································································· 76

Configuring the maximum number of ECMP routes ··································································· 77

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Configuring OSPF preference ······························································································ 77

Configuring OSPF route redistribution ···················································································· 78

Advertising a host route ······································································································ 79

Tuning and optimizing OSPF networks ························································································· 79


Configuring OSPF timers ···································································································· 79

Specifying LSA transmission delay ························································································ 80

Specifying SPF calculation interval ························································································ 81

Specifying the LSA arrival interval ························································································· 81

Specifying the LSA generation interval ··················································································· 81

Disabling interfaces from receiving and sending OSPF packets ··················································· 82

Configuring stub routers ······································································································ 82

Configuring OSPF authentication ·························································································· 83

Adding the interface MTU into DD packets ·············································································· 84

Configuring a DSCP value for OSPF packets ·········································································· 84

Configuring the maximum number of external LSAs in LSDB ······················································ 84

Configuring OSPF exit overflow interval ················································································· 85

Enabling compatibility with RFC 1583 ···················································································· 85

Logging neighbor state changes ··························································································· 85

Configuring OSPF network management ················································································ 86

Configuring the LSU transmit rate ························································································· 87

Enabling OSPF ISPF ········································································································· 87

Configuring prefix suppression ····························································································· 87

Configuring prefix prioritization ····························································································· 88

Configuring OSPF PIC ······································································································· 88

Configuring the number of OSPF logs ···················································································· 89

Configuring OSPF GR ··············································································································· 89

Configuring OSPF GR restarter ···························································································· 90

Configuring OSPF GR helper ······························································································· 91

Triggering OSPF GR ·········································································································· 91

Configuring OSPF NSR ············································································································· 92

Configuring BFD for OSPF ········································································································· 92

Configuring bidirectional control detection ··············································································· 92

Configuring single-hop echo detection ··················································································· 93

Configuring OSPF FRR ············································································································· 93




Displaying and maintaining OSPF ······························································································· 95

OSPF configuration examples ···································································································· 96

Basic OSPF configuration example ······················································································· 96

OSPF route redistribution configuration example ······································································ 99

OSPF route summarization configuration example ································································· 100

OSPF stub area configuration example ················································································ 103

OSPF NSSA area configuration example) ············································································· 106

OSPF DR election configuration example ············································································· 108

OSPF virtual link configuration example ··············································································· 112

OSPF GR configuration example ························································································ 114

OSPF NSR configuration example ······················································································ 116

BFD for OSPF configuration example ·················································································· 118

OSPF FRR configuration example ······················································································ 121

Troubleshooting OSPF configuration ·························································································· 123

No OSPF neighbor relationship established ·········································································· 123

Incorrect routing information ······························································································ 124

Configuring IS-IS ·········································································· 125

Overview ······························································································································ 125

Terminology ··················································································································· 125

IS-IS address format ········································································································ 125

NET······························································································································ 126

IS-IS area ······················································································································ 127

IS-IS network types ·········································································································· 128

iii

IS-IS PDUs ···················································································································· 129

Protocols and standards ··································································································· 131

IS-IS configuration task list ······································································································· 131

Configuring basic IS-IS ············································································································ 132

Configuration prerequisites ································································································ 132

Enabling IS-IS ················································································································ 132

Configuring the IS level and circuit level ··············································································· 133

Configuring P2P network type for an interface ······································································· 133

Configuring IS-IS route control ·································································································· 134


Configuring IS-IS link cost ································································································· 134

Specifying a preference for IS-IS ························································································ 135

Configuring the maximum number of ECMP routes ································································· 136

Configuring IS-IS route summarization ················································································· 136

Advertising a default route ································································································· 136

Configuring IS-IS route redistribution ··················································································· 137

Configuring IS-IS route filtering ··························································································· 137

Configuring IS-IS route leaking ··························································································· 138

Tuning and optimizing IS-IS networks ························································································· 139


Specifying the interval for sending IS-IS hello packets ····························································· 139

Specifying the IS-IS hello multiplier ····················································································· 139

Specifying the interval for sending IS-IS CSNP packets ··························································· 140

Configuring a DIS priority for an interface ············································································· 140

Enabling source address check for hello packets on a PPP interface ·········································· 140

Disabling an interface from sending/receiving IS-IS packets ····················································· 141

Enabling an interface to send small hello packets ··································································· 141

Configuring LSP parameters ······························································································ 141

Controlling SPF calculation interval ····················································································· 144

Configuring convergence priorities for specific routes ······························································ 144

Setting the LSDB overload bit ···························································································· 144

Configuring system ID to host name mappings ······································································ 145

Enabling the logging of neighbor state changes ····································································· 146

Enabling IS-IS ISPF ········································································································· 146

Configuring IS-IS network management ··············································································· 146

Enhancing IS-IS network security ······························································································ 147


Configuring neighbor relationship authentication ···································································· 147

Configuring area authentication ·························································································· 148

Configuring routing domain authentication ············································································ 148

Configuring IS-IS GR ·············································································································· 149

Configuring IS-IS NSR ············································································································ 150

Configuring BFD for IS-IS ········································································································ 150

Configuring IS-IS FRR ············································································································ 151


Configuration guidelines ··································································································· 151

Configuring IS-IS FRR to automatically calculate a backup next hop ·········································· 151

Configuring IS-IS FRR using a routing policy ········································································· 152

Configuring BFD for IS-IS FRR ··························································································· 152

Displaying and maintaining IS-IS ······························································································· 152

IS-IS configuration examples ···································································································· 153

Basic IS-IS configuration example ······················································································· 153

DIS election configuration example ····················································································· 158

IS-IS route redistribution configuration example ····································································· 162

IS-IS authentication configuration example ··········································································· 165

IS-IS GR configuration example ························································································· 168

IS-IS NSR configuration example ························································································ 169

BFD for IS-IS configuration example ···················································································· 172

IS-IS FRR configuration example ························································································ 175

Configuring BGP ·········································································· 178

Overview ······························································································································ 178

iv

BGP speaker and BGP peer ······························································································ 178

BGP message types ········································································································ 178

BGP path attributes ········································································································· 178

BGP route selection ········································································································· 182

BGP route advertisement rules ··························································································· 182

BGP load balancing ········································································································· 182

Settlements for problems in large-scale BGP networks ···························································· 184

MP-BGP ························································································································ 186

BGP configuration views ··································································································· 187


BGP configuration task list ······································································································· 189

Configuring basic BGP ············································································································ 191

Enabling BGP ················································································································· 192

Configuring a BGP peer ···································································································· 192

Configuring dynamic BGP peers ························································································· 194

Configuring a BGP peer group ··························································································· 195

Specifying the source address of TCP connections ································································· 202

Generating BGP routes ··········································································································· 203

Injecting a local network ···································································································· 203

Redistributing IGP routes ·································································································· 204

Controlling route distribution and reception ·················································································· 205

Configuring BGP route summarization ················································································· 205

Advertising optimal routes in the IP routing table ···································································· 207

Advertising a default route to a peer or peer group ································································· 207

Limiting routes received from a peer or peer group ································································· 208

Configuring BGP route filtering policies ················································································ 209

Configuring BGP update sending delay ················································································ 213

Configuring BGP route dampening ······················································································ 214

Controlling BGP path selection ································································································· 214

Specifying a preferred value for routes received ····································································· 214

Configuring preferences for BGP routes ··············································································· 215

Configuring the default local preference ··············································································· 216

Configuring the MED attribute ···························································································· 217

Configuring the NEXT_HOP attribute ··················································································· 221

Configuring the AS_PATH attribute ····················································································· 223

Tuning and optimizing BGP networks ························································································· 228

Configuring the keepalive interval and hold time ····································································· 228

Configuring the interval for sending updates for the same route ················································· 229

Enabling BGP to establish an EBGP session over multiple hops ··············································· 230

Enabling immediate re-establishment of direct EBGP connections upon link failure ······················· 231

Enabling 4-byte AS number suppression ·············································································· 231

Enabling MD5 authentication for BGP peers ·········································································· 232

Configuring BGP load balancing ························································································· 233

Configuring IPsec for IPv6 BGP ·························································································· 234

Disabling BGP to establish a session to a peer or peer group ··················································· 234

Configuring GTSM for BGP ······························································································· 235

Configuring BGP soft-reset ································································································ 236

Protecting an EBGP peer when memory usage reaches level 2 threshold ··································· 240

Configuring a large-scale BGP network ······················································································ 241

Configuring BGP community ······························································································ 241

Configuring BGP route reflection ························································································ 242

Configuring a BGP confederation ························································································ 244

Configuring BGP GR ·············································································································· 245

Configuring BGP NSR ············································································································· 246

Enabling SNMP notifications for BGP ························································································· 246

Enabling logging of session state changes ·················································································· 247

Enabling logging for BGP route flapping ······················································································ 247

Configuring BFD for BGP ········································································································· 248

Configuring BGP FRR ············································································································· 249

Configuring 6PE ···················································································································· 252

Configuring basic 6PE ······································································································ 252

Configuring optional 6PE capabilities ··················································································· 253

v

Displaying and maintaining BGP ······························································································· 254

IPv4 BGP configuration examples ····························································································· 257

Basic BGP configuration example ······················································································· 257

BGP and IGP route redistribution configuration example ·························································· 261

BGP route summarization configuration example ··································································· 264

BGP load balancing configuration example ··········································································· 267

BGP community configuration example ················································································ 270

BGP route reflector configuration example ············································································ 273

BGP confederation configuration example ············································································ 275

BGP path selection configuration example ············································································ 279

BGP GR configuration example ·························································································· 282

BFD for BGP configuration example ···················································································· 283

BGP FRR configuration example ························································································ 287

IPv6 BGP configuration examples ····························································································· 290

IPv6 BGP basic configuration example ················································································· 290

IPv6 BGP route reflector configuration example ····································································· 293

6PE configuration example ································································································ 296

BFD for IPv6 BGP configuration example ············································································· 299

IPv6 BGP FRR configuration example ················································································· 302

IPsec for IPv6 BGP packets configuration example ································································· 306

Troubleshooting BGP ·············································································································· 310

Symptom ······················································································································· 310

Analysis ························································································································ 310

Solution ························································································································· 310

Configuring PBR ·········································································· 312

Overview ······························································································································ 312

Policy ···························································································································· 312

PBR and Track ··············································································································· 313

PBR configuration task list ······································································································· 313

Configuring a policy ················································································································ 313

Creating a node ·············································································································· 313

Configuring match criteria for a node ··················································································· 314

Configuring actions for a node ···························································································· 314

Configuring PBR ···················································································································· 314

Configuring local PBR ······································································································ 314

Configuring interface PBR ································································································· 315

Displaying and maintaining PBR ······························································································· 315

PBR configuration examples ···································································································· 315

Packet type-based local PBR configuration example ······························································· 315

Packet type-based interface PBR configuration example ························································· 317

Configuring IPv6 static routing ························································ 320

Configuring an IPv6 static route ································································································ 320

Configuring BFD for IPv6 static routes ························································································ 320

Bidirectional control mode ································································································· 321

Single-hop echo mode ······································································································ 321

Displaying and maintaining IPv6 static routes ··············································································· 322

IPv6 static routing configuration examples ··················································································· 322

Basic IPv6 static route configuration example ········································································ 322

BFD for IPv6 static routes configuration example (direct next hop) ············································· 324

BFD for IPv6 static routes configuration example (indirect next hop) ··········································· 327

Configuring an IPv6 default route ····················································· 330

Configuring RIPng ········································································ 331

Overview ······························································································································ 331

RIPng route entries ·········································································································· 331

RIPng packets ················································································································ 331


RIPng configuration task list ····································································································· 332

Configuring basic RIPng ·········································································································· 332

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Configuring RIPng route control ································································································ 333

Configuring an additional routing metric················································································ 333

Configuring RIPng route summarization ··············································································· 333

Advertising a default route ································································································· 334

Configuring received/redistributed route filtering ····································································· 334

Configuring a preference for RIPng ····················································································· 334

Configuring RIPng route redistribution·················································································· 335

Tuning and optimizing the RIPng network ··················································································· 335

Configuring RIPng timers ·································································································· 335

Configuring split horizon and poison reverse ········································································· 335

Configuring zero field check on RIPng packets ······································································ 336

Configuring the maximum number of ECMP routes ································································· 336

Configuring RIPng GR ············································································································ 337

Applying an IPsec profile ········································································································· 337

Displaying and maintaining RIPng ····························································································· 338

RIPng configuration examples ·································································································· 339

Basic RIPng configuration example ····················································································· 339

RIPng route redistribution configuration example ···································································· 341

RIPng IPsec profile configuration example ············································································ 344

Configuring OSPFv3 ····································································· 347

Overview ······························································································································ 347

OSPFv3 packets ············································································································· 347

OSPFv3 LSA types ·········································································································· 347


OSPFv3 configuration task list ·································································································· 348

Enabling OSPFv3 ·················································································································· 349

Configuring OSPFv3 area parameters ························································································ 350


Configuring a stub area ···································································································· 350

Configuring an NSSA area ································································································ 350

Configuring an OSPFv3 virtual link ······················································································ 351

Configuring OSPFv3 network types ··························································································· 351


Configuring the OSPFv3 network type for an interface ····························································· 352

Configuring an NBMA or P2MP neighbor ·············································································· 352

Configuring OSPFv3 route control ····························································································· 353


Configuring OSPFv3 route summarization ············································································ 353

Configuring OSPFv3 received route filtering ·········································································· 354

Configuring Inter-Area-Prefix LSA filtering ············································································· 354

Configuring an OSPFv3 cost for an interface ········································································· 354

Configuring the maximum number of OSPFv3 ECMP routes ···················································· 355

Configuring a preference for OSPFv3 ·················································································· 355

Configuring OSPFv3 route redistribution··············································································· 356

Tuning and optimizing OSPFv3 networks ···················································································· 357


Configuring OSPFv3 timers ······························································································· 357

Specifying LSA transmission delay ······················································································ 358

Specifying SPF calculation interval ······················································································ 358

Specifying the LSA generation interval ················································································· 359

Configuring a DR priority for an interface ·············································································· 359

Ignoring MTU check for DD packets ···················································································· 359

Disabling interfaces from receiving and sending OSPFv3 packets ············································· 360

Enabling the logging of neighbor state changes ····································································· 360

Configuring OSPFv3 network management ··········································································· 360

Configuring the LSU transmit rate ······················································································· 361

Configuring stub routers ···································································································· 362

Configuring prefix suppression ··························································································· 362

Configuring OSPFv3 GR ········································································································· 363

Configuring GR restarter ··································································································· 363

Configuring GR helper ······································································································ 364

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Triggering OSPFv3 GR ····································································································· 364

Configuring OSPFv3 NSR ········································································································ 364

Configuring BFD for OSPFv3 ···································································································· 365

Applying an IPsec profile ········································································································· 365

Displaying and maintaining OSPFv3 ·························································································· 367

OSPFv3 configuration examples ······························································································· 368

OSPFv3 stub area configuration example ············································································· 368

OSPFv3 NSSA area configuration example ·········································································· 372

OSPFv3 DR election configuration example ·········································································· 374

OSPFv3 route redistribution configuration example ································································· 377

OSPFv3 route summarization configuration example ······························································ 380

OSPFv3 GR configuration example ····················································································· 384

OSPFv3 NSR configuration example ··················································································· 385

BFD for OSPFv3 configuration example ··············································································· 386

OSPFv3 IPsec profile configuration example ········································································· 389

Configuring IPv6 IS-IS ··································································· 394

Overview ······························································································································ 394

Configuring basic IPv6 IS-IS ····································································································· 394

Configuring IPv6 IS-IS route control ··························································································· 394

Tuning and optimizing IPv6 IS-IS networks ·················································································· 396


Assigning a convergence priority to IPv6 IS-IS routes ······························································ 396

Configuring BFD for IPv6 IS-IS ································································································· 396

Displaying and maintaining IPv6 IS-IS ························································································ 397

IPv6 IS-IS configuration examples ····························································································· 397

IPv6 IS-IS basic configuration example ················································································ 397

BFD for IPv6 IS-IS configuration example ············································································· 401

Configuring IPv6 PBR ··································································· 405

Overview ······························································································································ 405

Policy ···························································································································· 405

PBR and Track ··············································································································· 406

IPv6 PBR configuration task list ································································································ 406

Configuring an IPv6 policy ······································································································· 406

Creating an IPv6 node ······································································································ 406

Configuring match criteria for an IPv6 node ··········································································· 407

Configuring actions for an IPv6 node ··················································································· 407

Configuring IPv6 PBR ············································································································· 407

Configuring IPv6 local PBR ······························································································· 407

Configuring IPv6 interface PBR ·························································································· 408

Displaying and maintaining IPv6 PBR ························································································· 408

IPv6 PBR configuration examples ······························································································ 409

Packet type-based IPv6 local PBR configuration example ························································ 409

Packet type-based IPv6 interface PBR configuration example ··················································· 410

Configuring routing policies ···························································· 413

Overview ······························································································································ 413

Filters ··························································································································· 413

Routing policy ················································································································· 413

Configuring filters ··················································································································· 414


Configuring an IP prefix list ································································································ 414

Configuring an AS path list ································································································ 415

Configuring a community list ······························································································ 415

Configuring an extended community list ··············································································· 416

Configuring a routing policy ······································································································ 416


Creating a routing policy ··································································································· 416

Configuring if-match clauses ······························································································ 416

Configuring apply clauses ································································································· 418

Configuring the continue clause ·························································································· 419

viii

Displaying and maintaining the routing policy ··············································································· 420

Routing policy configuration examples ························································································ 420

Routing policy configuration example for IPv4 route redistribution ·············································· 420

Routing policy configuration example for IPv6 route redistribution ·············································· 423

Document conventions and icons ···················································· 425

Conventions ························································································································· 425

Network topology icons ··········································································································· 426

Support and other resources ·························································· 427

Accessing Hewlett Packard Enterprise Support ············································································ 427

Accessing updates ················································································································· 427

Websites ······················································································································· 428

Customer self repair ········································································································· 428

Remote support ·············································································································· 428

Documentation feedback ·································································································· 428

ix

Contents. Aruba JH147A, R11xx-FlexNetwork 5510 HI Layer 3 - IP Routing

Contents

Configuring basic IP routing ································································ 1

Configuring static routing ··································································· 8

Configuring a default route ······························································· 23

Configuring RIP ············································································· 24

Configuring OSPF ·········································································· 60

Configuring IS-IS ·········································································· 125

Configuring BGP ·········································································· 178

Configuring PBR ·········································································· 312

Configuring IPv6 static routing ························································ 320

Configuring an IPv6 default route ····················································· 330

Configuring RIPng ········································································ 331

Configuring OSPFv3 ····································································· 347

Configuring IPv6 IS-IS ··································································· 394

Configuring IPv6 PBR ··································································· 405

Configuring routing policies ···························································· 413

Document conventions and icons ···················································· 425

Support and other resources ·························································· 427

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Table of contents

Contents. Aruba JH147A, R11xx-FlexNetwork 5510 HI Layer 3 - IP Routing

Contents

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