Network Management, MIBs and MPLS Network

Network Management,
MIBs and MPLS
Principles, Design and Implementation
Stephen B. Morris
6
Network Management
Software Components
Copyright 2003. Pearson Education Inc., Publishing as Prentice Hall PTR. All rights reserved.
Visit the companion Web site at http://authors.phptr.com/morris/
2
Network Management, MIBs and MPLS
Telnet/
HTTP/
HTTPS/
IPSec
Northbound
Interface
(to OSS)
Client 1
Database
SNMP
Sets/Gets/
Responses
(Synchronous)
SNMP
Notifications
(Asynchronous)
NMS
Out-of-Band
Channel
Managed
Network
Figure 6–1 NMS components and data flows.
Copyright 2003. Pearson Education Inc., Publishing as Prentice Hall PTR. All rights reserved.
Visit the companion Web site at http://authors.phptr.com/morris/
Network Management, MIBs and MPLS
3
.
Telnet
to A
Modem X
Interface A
Network
Management
System
Terminal Server
(with SNMP
Agent)
PSTN
Modem Y
2 x T1
T3
T1
Digital Cross-Connect
Figure 6–2 Terminal-server interface management.
Copyright 2003. Pearson Education Inc., Publishing as Prentice Hall PTR. All rights reserved.
Visit the companion Web site at http://authors.phptr.com/morris/
4
Network Management, MIBs and MPLS
Topology View
Type
Fault
Event
Fault
Fault
Origin
LER1
LER2
LSR1
LER1
Severity
Critical
Major
Minor
Critical
Status
Active
Cleared
Active
Active
Figure 6–3 Client topology view with a fault listing.
Copyright 2003. Pearson Education Inc., Publishing as Prentice Hall PTR. All rights reserved.
Visit the companion Web site at http://authors.phptr.com/morris/
Network Management, MIBs and MPLS
5
Fault Server
Fault Server
Secure User
Fault Listings
Fault
Update
Clear/Delete/
Acknowledge
Faults
Fault
Suppression
SNMPv1/2c/3
Stack
Notifications
Duplicate
Suppression
Fault Table
Node Table
OtherTables,
e.g., LSP Table
Topology
Update
Database
Client
Managed
Network
Root-Cause
Analysis
Legend Each block represents a software entity
Figure 6–4 Fault Server components.
Copyright 2003. Pearson Education Inc., Publishing as Prentice Hall PTR. All rights reserved.
Visit the companion Web site at http://authors.phptr.com/morris/
6
Network Management, MIBs and MPLS
Table 6–1
ORIGIN
LER1
LSP Configuration Data
DESTINATION
LER2
SIGNALING
PROTOCOL
LDP
REQUIRED
QOS
Best-effort
EXPLICIT
ROUTE
OBJECT
None
Copyright 2003. Pearson Education Inc., Publishing as Prentice Hall PTR. All rights reserved.
Visit the companion Web site at http://authors.phptr.com/morris/
Network Management, MIBs and MPLS
Configuration Server
Configuration Server
Generic
Connection
Table Update–
to Database
Create Objects
(e.g., Connections)
in Network
Create
Connection
SNMPv1/2c/3
Stack
Set/Get/GetBulk
Client
7
Topology
Update
Trace
Files
Node Table
Other Tables,
e.g., LSP,
Operation
Results Tables
Database
Secure
User
Managed
Network
L
d E hServer
bl kcomponents. f
Figure 6–5 Configuration
i
Copyright 2003. Pearson Education Inc., Publishing as Prentice Hall PTR. All rights reserved.
Visit the companion Web site at http://authors.phptr.com/morris/
8
Network Management, MIBs and MPLS
Table 6–2
MPLS Tunnel Table Extract with a MIB Hole
MPLS
TUNNELINDEX
MPLS
TUNNELSIGNALLING
PROTO
MPLS
MPLS
TUNNELSETUPPRIO
TUNNELHOLDINGPRIO
1
3
0
0
2
2
3
1
1
5
7
Copyright 2003. Pearson Education Inc., Publishing as Prentice Hall PTR. All rights reserved.
Visit the companion Web site at http://authors.phptr.com/morris/
Network Management, MIBs and MPLS
9
Accounting Server
Accounting Server
Reports
Mediation
Correlation
Billing Table
LSP Table
Call Data
Records (CDR)
Aggregation
LSP X
Manage
d
Network
Database
Legend Each block represents a software entity
Figure 6–6 Accounting Server components.
Copyright 2003. Pearson Education Inc., Publishing as Prentice Hall PTR. All rights reserved.
Visit the companion Web site at http://authors.phptr.com/morris/
10
Network Management, MIBs and MPLS
Performance Server
Performance Server
Reports
Topology
Update
Mediation
Performance Table
Node Table
Other Tables, e.g.,
LSP Table
SLA Alerts
Performance
Data Records
(PDR)
Database
Correlation
Aggregation
Managed
Network
Legend Each block represents a software entity
Figure 6–7 Performance Server components.
Copyright 2003. Pearson Education Inc., Publishing as Prentice Hall PTR. All rights reserved.
Visit the companion Web site at http://authors.phptr.com/morris/
Network Management, MIBs and MPLS
Table 6–3
11
An IP SLA
Source IP Address
10.81.1.45
Source Port
444
Destination IP Address
10.81.2.89
Destination Port
445
Link Bandwidth
10Mbps
Interpacket Delay
1ms
Ordered Delivery
Yes
Packet Loss
0.0001%
Jitter
No
Round Trip Delay
30ms
Copyright 2003. Pearson Education Inc., Publishing as Prentice Hall PTR. All rights reserved.
Visit the companion Web site at http://authors.phptr.com/morris/
12
Network Management, MIBs and MPLS
10.81.1.1
10.81.4.2
IP Router
10.81.1.2
LSR 1
10.81.4.1
10.81.2.1
10.81.5.1
10.81.2.2
10.81.3.2
IP Router
MPLS LER
10.81.5.2
10.81.3.1
LSR 2
IP Router
Figure 6–8 The problem of configuring multiservice networks.
Copyright 2003. Pearson Education Inc., Publishing as Prentice Hall PTR. All rights reserved.
Visit the companion Web site at http://authors.phptr.com/morris/
Download PDF
Similar pages