HP Auto Port Aggregation (APA) Release Notes

HP Auto Port Aggregation (APA) Release Notes
HP Auto Port Aggregation (APA) Release
Notes
HP-UX 11i v1, 11i v2, and 11i v3
HP Part Number: 5900-2483
Published: September 2012
Edition: 1
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Contents
1 HP APA Overview for HP-UX 11i v1...............................................................4
Auto Port Aggregation...............................................................................................................4
Failover Group....................................................................................................................4
New Features in This Release...................................................................................................14
Known Problems Fixed in This Version.........................................................................................4
Known Problems and Limitations.................................................................................................7
Compatibility and Installation Requirements..................................................................................7
First-time Installation.............................................................................................................8
Configuration File Changes...................................................................................................8
Operating System and Version Compatibility...........................................................................8
Hardware Requirements........................................................................................................8
Other Requirements..............................................................................................................8
Related Information...................................................................................................................9
Software Availability in Native Languages...................................................................................9
2 HP APA Overview for HP-UX 11i v2.............................................................10
Auto Port Aggregation.............................................................................................................10
Failover Group..................................................................................................................10
Known Problems Fixed in This Version.......................................................................................10
Known Problems Fixed in Previous Version..................................................................................10
Known Problems and Limitations...............................................................................................11
Known Problems with Switches.............................................................................................11
Compatibility and Installation Requirements................................................................................11
Required Patches................................................................................................................11
Required Software..............................................................................................................11
Operating System and Version Compatibility.........................................................................11
Hardware Requirements......................................................................................................11
Required Disk Space..........................................................................................................12
First-time Installation...........................................................................................................12
Configuration File Changes.................................................................................................12
Interoperability with HP Serviceguard...................................................................................12
Other Requirements............................................................................................................13
Related Information.................................................................................................................13
Software Availability in Native Languages.................................................................................13
3 HP APA Overview for HP-UX 11i v3.............................................................14
Auto Port Aggregation.............................................................................................................14
Failover Group..................................................................................................................14
New Features in This Release...................................................................................................14
Known Problems Fixed in This Version.......................................................................................14
Known Problems and Limitations...............................................................................................14
Known Problems with Switches.............................................................................................15
Compatibility and Installation Requirements................................................................................15
Operating System and Version Compatibility.........................................................................15
Hardware Requirements......................................................................................................16
Required Disk Space..........................................................................................................16
First-time Installation...........................................................................................................16
Interoperability with HP Serviceguard...................................................................................16
Other Requirements............................................................................................................16
Related Information.................................................................................................................17
Software Availability in Native Languages.................................................................................17
Contents
3
1 HP APA Overview for HP-UX 11i v1
This chapter provides information about the HP-UX 11i v1 (B.11.11.30) September 2007 release
of HP Auto Port Aggregation (APA) and LAN Monitor software.
This release of HP APA now supports Nortel Split Multi-Link Trunking (SMLT) technology and
MANUAL mode link aggregate creation from ports with different group capability values.
Auto Port Aggregation
HP APA is a software product that creates link aggregates, often called "trunks," which provide a
logical grouping of two or more physical ports into a single “Fat-Pipe.” Network traffic is load
balanced across all of the links in the aggregation, which allows you to build large bandwidth
logical links into the server that are highly available and completely transparent to the client and
server applications.
In addition, HP APA provides automatic link failure detection and recovery, and optional support
for load balancing of network traffic across all of the links in the aggregation.
HP APA supports HP Serviceguard with certain conditions.
For more information, see the HP Auto Port Aggregation (APA) Administrator's Guide for HP-UX
11i v1 and 11i v2. To locate this document, go to the www.hp.com/go/hpux-networking-docs
product page. On this page, select HP-UX Auto Port Aggregation (APA) Software.
Failover Group
HP APA supports the creation of failover groups (link aggregates in LAN_MONITOR mode),
providing a failover capability for links. In the event of a link failure, LAN Monitor automatically
migrates traffic to an available, standby link (port or link aggregate) in the failover group. Failover
groups do not support HP Serviceguard.
New Features in This Release
The B.11.11.30 version of HP APA:
•
Supports Nortel's Split Multi-Link Trunking (SMLT) technology. A link aggregate can span over
more than one switch, which removes switches as a single point of failure.
•
Enables the use of an optional HP_APA_LACP_TIMEOUT parameter in the
/etc/rc.config.d/hp_apaconf file. Valid values are 0 (slow) and 1 (fast). The default
value is 0.
•
Supports the creation of MANUAL mode link aggregates with ports that do not have the same
group capability value. In addition, the ports are not required to have the same group capability
value as the link aggregate
•
Supports the resetting of link aggregates and failover groups with the lanadmin command,
•
Enables you to programmatically obtain the multicast addresses enabled on a link aggregate
or failover group.
For more information on the new features and how to use them, see the HP Auto Port Aggregation
(APA) Administrator's Guide for HP-UX 11i v1 and 11i v2. To locate this document, go to the
www.hp.com/go/hpux-networking-docs product page. On this page, select HP-UX Auto Port
Aggregation (APA) Software.
Known Problems Fixed in This Version
Table 1 lists the known problems fixed in this release of HP APA B.11.11.30.
4
HP APA Overview for HP-UX 11i v1
Table 1 Fixes in the HP APA B.11.11.30 Release
Defect ID
Description
CR: JAGaf48622
SR: 8606388472
Under some stress situations (for example, a port is continuously enabled and then
disabled to run LACP), the system panics due to data page fault with the following
stack trace:
panic+0x8c
report_trap_or_int_and_panic+0x94
interrupt+0x4e4
ihandler+0x940
lacp_processing_poll_timer+0x128
lacp_ctrl+0x1e8
lacp_poll_timeout+0x60
invoke_callouts_for_self+0x234
soft_intr_handler+0x1
sw_service+0x1c
mp_ext_interrupt+0x478
ihandler+0x91c
CR: JAGaf58421
SR: 8606398439
If some of the ports do not exist when creating a MANUAL mode link aggregate from
a set of ports, APA does not create the link aggregate.
CR: JAGaf61223
SR: 8606401274
When a user application sends a DL_HP_MULTICAST_LIST_REQ primitive to a link
aggregate or failover group, APA returns the error code 233 (EOPNOTSUPP).
CR: JAGaf61667
SR: 8606401730
Unable to create a MANUAL mode link aggregate from ports with different Group
Capability values.
CR: JAGaf65504
SR: 8606405583
Unnecessary failover can occur with cost-based failover groups.
CR: JAGaf65775
SR: 8606405865
No information on proactive failover is saved to the var/adm/syslog/syslog.log
file.
CR: JAGaf65776
SR: 8606405866
The NetTL messages that describe proactive failover events do not provide enough
information.
CR: JAGaf67974
SR: 8606408071
When the LACP timeout values of link partners are changed, APA responds in a manner
that does not conform to the IEEE 802.3ad standard. This can cause a temporary
connection loss.
CR: JAGaf68386
SR: 8606408484
If an LACP port's link partner times out and then recovers, the LACP port might not
rejoin its original link aggregate.
CR: JAGaf68450
SR: 8606408548
LACP ports might take up to 90 seconds to detect a unidirectional link failure.
CR: JAGaf68497
SR: 8606408595
When one link of a LACP link aggregate becomes unidirectional (a link can either
receive or transmit), network connectivity of the aggregate is lost.
CR: JAGaf68634
SR: 8606408732
Sometimes the LACP states of APA does not match those of its link partners. This can
cause a temporary connection loss.
CR: JAGaf68635
SR: 8606408733
When one link partner is not ready to receive packets but others are ready, network
connectivity is lost .
CR: JAGaf68823
SR: 8606408921
APA sets the collecting and distributing bits in the LACP PDU when the synchronization
bit is cleared.
CR: JAGaf69439
SR: 8606409555
Under some stress situations (for example, a port is continuously enabled and then
disabled to run LACP), the system panics with data page fault in the lacp_tx_sm
function.
CR: JAGaf69619
SR: 8606409736
Under some stress situations (for example, a port is continuously enabled and then
disabled to run LACP), the system panics with data page fault in the
lacp_notify_msg function.
Known Problems Fixed in This Version
5
Table 1 Fixes in the HP APA B.11.11.30 Release (continued)
Defect ID
Description
CR: JAGaf69665
SR: 8606409782
When a user application sends a DL_HP_HW_RESET_REQ primitive to a link aggregate
or failover group, APA returns the error code 233 (EOPNOTSUPP).
CR: JAGaf69724
SR: 8606409841
Under some stress situations, the system panics with a data page fault in LACP
subsystem.
CR: JAGaf78771
SR: 8606418941
Four ports are connected to two Nortel switches using Split Multi-Link Trunking (SMLT),
and LACP is used for trunking. When one of the Nortel switches is powered down
and then powered up, the LACP ports migrate to a different link aggregate on the
server. Because the new link aggregate has no IP address configured, the network
connection is lost completely.
CR: JAGaf78775
SR: 8606418945
Four ports are connected to two Nortel switches using Split Multi-Link Trunking (SMLT),
and LACP is used for trunking. When one of the switches is powered down, the network
connection is lost completely. SMLT is a proprietary technology to make link aggregates
across switches.
CR: JAGaf78780
SR: 8606418950
APA removes a port from LACP link aggregates only after the port fails to send an
LACP PDU for more than 90 seconds.
CR: JAGaf87533
SR: 8606428052
When two LACP ports on an HP server are connected to two Nortel switches using
SMLT (each port is connected to a unique switch), they initially form a link aggregate.
After one switch fails, the link aggregate disappears.
CR: JAGaf87544
SR: 8606428063
The system might hang after setting ifAdmin states of APA link aggregates. This is a
rare occurrence.
CR: JAGaf98281
SR: 8606440400
The lan*conf commands can log unneeded information to NetTL.
CR: JAGaf98454
SR: 8606440645
A bad_news panic in the apa_lacp_check_linkagg function with the following
stack trace:
panic_save_regs_switchstack+0x110
panic+0x490
bad_news+0x440
bubbleup+0x8e0
apa_lacp_check_linkagg+0xa0
apa_update_linkagg_properties+0x2c0
apa_ioctl_del_linkagg_ports+0x3b0
apa_ioctl_clear+0x650
apa_process_event+0x460
apa_process_queue+0x330
invoke_callouts_for_self+0x2e0
soft_intr_handler+0x240
external_interrupt+0x620
bubbleup+0x8e0
deadlock_check+0x190
sl_pre_check+0x1f0
spinlockx+0x90
prioceil_restore_pri+0x90
rwlock_unlock+0x430
pm_unlink_thread_from_active+0x50
exit+0x4c0
rexit+0x40
syscall+0x1430
6
CR: JAGag15219
SR: 8606459037
During heavy loads, ports in PAgP link aggregates drop out of link aggregates and
then rejoin. This disrupts the traffic flow across the link aggregate interface.
CR: JAGag17374
SR: 8606461410
The lanqueryconf command might put ports having VLANs configured on them
into failover groups. The lanapplyconf command fails if it detects these ports inside
a failover group.
CR: JAGag17375
SR: 8606461411
The lanapplyconf command cannot create failover groups whose member ports
have an MTU of 259 or less.
HP APA Overview for HP-UX 11i v1
Table 1 Fixes in the HP APA B.11.11.30 Release (continued)
Defect ID
Description
CR: JAGag17382
SR: 8606461420
The lanapplyconf command dumps core if the NODE_NAME value in the /etc/
lanmon/lanconfig.ascii file is different from the server's hostname.
CR: JAGag23067
SR: 8606467695
While experiencing a large number of port state changes, HP APA might place LACP
ports in the wrong link aggregate.
CR: JAGag23068
SR: 8606467696
When ports in a LACP link aggregate experience many protocol events, they might
move to the wrong LACP link aggregate.
CR: JAGag38447
SR: 8606485460
System hangs after repeatedly starting and stopping PAgP or LACP on ports.
Known Problems and Limitations
This section provides a list of known problems and limitations as known to HP at the time of
publication. If workarounds are available, they are included.
•
HP ProCurve Switches
When disabling Cisco's Fast Ether Channel protocol on the HP 9000 server, the HP ProCurve
switches block that particular port from further use.
Corrective Action: In order to use the network physical port on the HP 9000 server, physically
move the connection from the server to the switch to another non-Cisco Fast EtherChannel port
on the switch.
•
Cisco Catalyst 5000 Switches
◦
Turning off Cisco's Fast Ether Channel protocol on one network physical port on the HP
9000 server might cause the entire link aggregate (the port it is associated with) to be
deconfigured.
Corrective Action: Reconfigure the switch; do not include the port in the link aggregate
being configured. See the appropriate switch documentation for information on how to
reconfigure link aggregates.
The Catalyst 5000 switch allows only two- or four-port link aggregates. See the Cisco
Catalyst 5000 Configuration Guide for information about these limitations.
◦
When interfacing a HSC 100Base-TX or PCI 4–port 100Base-TX to a Cisco Catalyst 5000
switch (with firmware version 4.5(4)) and ports in Desirable Mode connected to an HP
server with ports running HP APA, the link aggregations might go up and down repeatedly.
Corrective Action: Install patch PHNE_23465 or its superseding patch.
•
3Com SuperStack II Switches
To interoperate with the switch, disable the Trunk Control Message Protocol (TCMP) on all of
the ports that are being used with HP Integrity servers.
Compatibility and Installation Requirements
This section describes the compatibility information and installation requirements for this release.
For specific installation instructions, see the HP Auto Port Aggregation (APA) Administrator's Guide
for HP-UX 11i v1 and 11i v2. To locate this document, go to the www.hp.com/go/
hpux-networking-docs product page. On this page, select HP-UX Auto Port Aggregation (APA)
Software.
Known Problems and Limitations
7
First-time Installation
For an initial HP APA installation, two files, hp_apaconf and hp_apaportconf are placed in
/etc/rc.config.d.
The default configuration port mode is MANUAL.
Configuration File Changes
The configuration file changes for this release are as follows:
•
This release enables the use of an optional HP_APA_LACP_TIMEOUT parameter in the
/etc/rc.config.d/hp_apaconf file. Valid values are 0 (slow) and 1 (fast). The default
value is 0.
Operating System and Version Compatibility
This release is specific for HP-UX 11i v1 (B.11.11).
Hardware Requirements
This version of HP APA runs on HP 9000 servers with the HP-UX 11i v1 (B.11.11) operating system.
HP APA supports Cisco's FastEtherChannel (PAgP) protocol, the Link Aggregation Control Protocol
(IEEE 802.3ad), or manual trunking mechanisms.
HP has tested switches from the following vendors to work with HP APA:
•
3Com Corebuilder and SuperStack
•
All Cisco Catalyst series
•
HP ProCurve
•
Foundry
•
Alteon
•
Nortel
•
Extreme
HP APA also supports Nortel's Split Multi-Link Trunking (SMLT) technology. Specifically, HP has
tested the Passport 8006 and Passport 8010 switches with the version 3.7.13.0 of the software.
NOTE: Hot Standby and LAN Monitor modes are both supported with all switches; however, HP
strongly recommends using LAN Monitor rather than Hot Standby mode.
The following network adapter cards are supported:
•
All HP HP-PB, HSC, and PCI 10/100Base cards (both FX and TX)
•
All HP HP-PB, HSC, and PCI 1000Base cards (both Base-T and SX)
•
PCI-X 10 GbE Fiber cards (LAN Monitor mode only) (May 2005 release and later)
•
PCI Token Ring (LAN Monitor mode only)
•
PCI FDDI (LAN Monitor mode only)
•
All HP PCI-X 2-port Combination cards (network ports only)
Other Requirements
8
•
HP APA must be installed with the system up.
•
A reboot will be required.
HP APA Overview for HP-UX 11i v1
•
Installation requires superuser permissions.
•
Estimated time to install the software is 3 to 5 minutes, depending on the complexity of your
system.
Related Information
The latest documentation for HP APA is available at www.hp.com/go/hpux-APA-docs.
Available documents include:
•
HP Auto Port Aggregation (APA) Administrator's Guide
•
Performance and Scalability White Paper
•
Using APA to Build a Screaming Fast Network Server Connection
Software Availability in Native Languages
The HP APA product is available only in the English language.
Related Information
9
2 HP APA Overview for HP-UX 11i v2
This chapter provides information about the HP-UX 11i v2 (B.11.23.50) September 2012 release
of HP Auto Port Aggregation (APA) and LAN Monitor software.
This release of HP APA now supports HP Serviceguard version A.11.17 or later. HP Serviceguard
can use both link aggregates and failover groups (LAN_MONITOR mode). In addition, this release
also supports Nortel Split Multi-Link Trunking (SMLT) technology and improved HP Integrity virtual
machine support.
Auto Port Aggregation
HP APA is a software product that creates link aggregates, often called "trunks," which provide a
logical grouping of two or more physical ports into a single "Fat-Pipe." Network traffic is load
balanced across all of the links in the aggregation, which allows you to build large bandwidth
logical links into the server that are highly available and completely transparent to the client and
server applications.
In addition, HP APA provides automatic link failure detection and recovery, and optional support
for load balancing of network traffic across all of the links in the aggregation.
HP APA supports Serviceguard.
For more information, see the HP Auto Port Aggregation (APA) Administrator's Guide for HP-UX
11i v1 and 11i v2. To locate this document, go to the www.hp.com/go/hpux-networking-docs
product page. On this page, select HP-UX Auto Port Aggregation (APA) Software.
Failover Group
HP APA supports the creation of failover groups (link aggregates in LAN_MONITOR mode),
providing a failover capability for links. In the event of a link failure, LAN Monitor automatically
migrates traffic to an available, standby link (port or link aggregate) in the failover group.
Known Problems Fixed in This Version
Table 2 (page 10) lists the known problem fixed in this release of HP APA B.11.23.50
Table 2 Fixes in the HP APA B.11.23.50 Release
Defect ID
Description
QXCR1001226863
Support for host name change with APA/LM configuration.
If the user changes the hostname after a Fail-over-Group (FoG) is created then APA throws an error,
stating a corrupt binary file, when APA LM services are stopped or started. The same error is seen
when a system comes up after a reboot. This also prevents APA from bringing up FoG after a
reboot affecting APA functioning as configured. LACP/PAGP configurations are not affected.
This fix relaxes the hostname check against what is stored in APA LM binary configuration file.
With this fix user is allowed to change the hostname (Usually HPUX Ignite restore/recovery requires
to change the hostname temporarily) without affecting APA functionality.
Known Problems Fixed in Previous Version
Table 3 Fixes in the HP APA B.11.23.40.1 Release
10
Defect ID
Description
QXCR1001128905
The APA/LM statistics are not updated for 90 seconds after fail-back occurs.
HP APA Overview for HP-UX 11i v2
Known Problems and Limitations
This section describes the known problems and limitations as known to HP at the time of publication.
If workarounds are available, they are included.
Known Problems with Switches
•
3Com SuperStack II Switches
To interoperate with the switch, disable the Trunk Control Message Protocol (TCMP) on all of
the ports that are being used with HP Integrity servers.
Compatibility and Installation Requirements
This section describes the compatibility information and installation requirements for this release.
For information on specific installation instructions, see the HP Auto Port Aggregation (APA)
Administrator's Guide for HP-UX 11i v1 and 11i v2. To locate this document, go to the
www.hp.com/go/hpux-networking-docs product page. On this page, select HP-UX Auto Port
Aggregation (APA) Software.
Required Patches
HP APA requires the following patches:
•
PHKL_31500 or its superseding patch
•
Streams patch PHNE_34788 or its superseding patch
•
LAN Cumulative patch PHNE_35545 or its superseding patch.
•
ARPA Transport patch PHNE_35766 or its superseding patch
NOTE: HP recommends the Streams, LAN Cumulative, and ARPA Transport patches only if you
want to use 8 ports for trunking; they are not required. HP recommends the LAN Cumulative patch
only if you want VLAN over APA support.
You can download patches from the following website:
http://www2.itrc.hp.com/service/patch/mainPage.do
Required Software
HP APA requires the following software only if you want to use 8 ports for trunking:
•
IPFilter version A.03.05.14, if you use IP Filter
You can download software from the following website:
http://www.hp.com/go/softwaredepot
Enter IPFilter into the Search box at the top of the page.
Operating System and Version Compatibility
This release is specific for HP-UX 11i v2 (B.11.23).
Hardware Requirements
This version of HP APA now runs on either HP 9000 servers or HP Integrity servers with the HP-UX
11i v2 (B.11.23) operating system.
HP APA supports Cisco's FastEtherChannel (PAgP) protocol, the Link Aggregation Control Protocol
(IEEE 802.3ad), or manual trunking mechanisms.
Known Problems and Limitations
11
HP has tested switches from the following vendors to work with HP APA:
•
3Com Corebuilder and SuperStack
•
All Cisco Catalyst series
•
HP ProCurve
•
Foundry
•
Alteon
•
Nortel
•
Extreme
HP APA also supports Nortel's Split Multi-Link Trunking (SMLT) technology. Specifically, HP has
tested the Passport 8006 and Passport 8010 switches with the version 3.7.13.0 of the software.
NOTE: Hot Standby and LAN Monitor modes are both supported with all switches; however, HP
strongly recommends using LAN Monitor rather than Hot Standby mode.
The following network adapter cards are supported:
•
All HP PCI 10/100Base cards (both FX and TX)
NOTE: HP APA does not support the 10/100 BT Standard/Management LAN interface
found on some systems and controlled by the intl100 driver, and any other devices controlled
by the intl100 driver.
•
All HP PCI 1000Base cards (both Base-T and SX)
•
PCI-X 10 GbE Fiber cards (LAN Monitor mode only)
•
PCI Token Ring (LAN Monitor mode only)
•
PCI FDDI (LAN Monitor mode only)
•
All HP PCI-X 2-port Combination cards (network ports only)
Required Disk Space
Approximately 2 MB.
First-time Installation
For an initial HP APA installation, two files, hp_apaconf and hp_apaportconf are placed in
/etc/rc.config.d.
The default configuration port mode is MANUAL.
Configuration File Changes
This release enables the use of an optional HP_APA_LACP_TIMEOUT parameter in the
/etc/rc.config.d/hp_apaconf file. Valid values are 0 (slow) and 1 (fast). The default value
is 0.
Interoperability with HP Serviceguard
For this release of HP APA, to use link aggregates with HP Serviceguard, you must use HP
Serviceguard version A.11.17 or later. To use failover groups (LAN_MONITOR mode), you must
also install the HP Serviceguard PHSS_35427 patch. This patch also supports LACP link
aggregations and link aggregations with more than four ports.
For HP APA versions B.11.23.20 and earlier, you must install the HP APA PHNE_36403 patch to
use failover groups with HP Serviceguard version A.11.17.
You can download patches from the following website:
12
HP APA Overview for HP-UX 11i v2
http://www2.itrc.hp.com/service/patch/mainPage.do
Other Requirements
•
HP APA must be installed with the system up.
•
A reboot will be required.
•
Installation requires superuser permissions.
•
Estimated time to install the software is 3 to 5 minutes, depending on the complexity of your
system.
Related Information
The latest documentation for HP APA is available at www.hp.com/go/hpux-APA-docs.
Available documents include:
•
HP Auto Port Aggregation (APA) Administrator's Guide
•
Performance and Scalability White Paper
•
Split Trunking Support with HP Auto Port Aggregation
•
Using HP APA with HP Virtual Connect Modules
•
Using APA to Build a Screaming Fast Network Server Connection
Software Availability in Native Languages
The HP APA product is available only in the English language.
Related Information
13
3 HP APA Overview for HP-UX 11i v3
This chapter provides information about the HP-UX 11i v3 (B.11.31.71) September 2012 release
of HP Auto Port Aggregation (APA) and LAN Monitor software.
Auto Port Aggregation
HP APA is a software product that creates link aggregates, often called "trunks," which provide a
logical grouping of two or more physical ports into a single "Fat-Pipe." Network traffic is load
balanced across all of the links in the aggregation, which allows you to build large bandwidth
logical links into the server that are highly available and completely transparent to the client and
server applications.
In addition, HP APA provides automatic link failure detection and recovery, and optional support
for load balancing of network traffic across all of the links in the aggregation.
HP APA supports HP Serviceguard.
For more information, see the HP Auto Port Aggregation (APA) Administrator's Guide. To locate
this document, go to the www.hp.com/go/hpux-networking-docs product page. On this page,
select HP-UX Auto Port Aggregation (APA) Software.
Failover Group
HP APA supports the creation of failover groups (link aggregates in LAN_MONITOR mode),
providing a failover capability for links. In the event of a link failure, LAN Monitor automatically
migrates traffic to an available, standby link (port or link aggregate) in the failover group.
New Features in This Release
The B.11.31.71 version of HP APA:
•
APA over DIO interfaces support.
DIO directly exposes the NIC to the guest. Support for aggregating DIO interfaces in HPVM
guest is qualified in this revision of APA. LACP Aggregation and Lan monitor mode have been
qualified for 10Gb drivers (iexgbe and iocxgbe). For how to create a DIO pool and assign
the DIO interface to HPVM guest refer DIO Admin guide.
For more information on the new features and how to use them, see the HP Auto Port Aggregation
(APA) Administrator's Guide for HP-UX 11i v3. To locate this document, go to the www.hp.com/
go/hpux-networking-docs product page. On this page, select HP-UX Auto Port Aggregation (APA)
Software.
Known Problems Fixed in This Version
Table 1 lists the known problems fixed in this release of HP APA B.11.31.71.
Table 4 Fixes in the HP APA B.11.31.71 Release
Defect ID
Description
QXCR1001160530
Guest panic loop with 1.5G memory and 16 DIO functions.
QXCR1001198122
HPVM guest connected via vswitch APA/LM connectivity pbms after LM failover.
Known Problems and Limitations
This section provides a list of known problems and limitations as known to HP at the time of
publication. If workarounds are available, they are included.
Defect ID:
QXCR1001187596
14
HP APA Overview for HP-UX 11i v3
Problem:
Inconsistent behavior while deleting aggregation onVM guest for DIO interface
While deleting a DIO LACP aggregation in HPVM Guest for "iexgbe" driver a
delay may be observed in deleting an aggregation.
There is no loss of traffic, except some delay. This delay mostly attributes to two
factors
1. Low number of vCPUs
2. lan reset taking time
This issue is not very prominent if the number of interfaces in the aggregation
is lower than the number of vCPUs.
Defect ID:
QXCR1001197219
Problem:
When heavy UDP traffic is run over APA DIO interfaces and if network cable pull
out is performed, the UDP traffic tries to escape to other available interfaces.
As the traffic is heavy this would take the system to hang state. This behavior is
not seen with TCP traffic.
Known Problems with Switches
•
HP ProCurve Switches
When disabling Cisco's Fast Ether Channel protocol on the HP 9000 server, the HP ProCurve
switches block that particular port from further use.
Severity: Medium
Corrective Action: To use the network physical port on the HP 9000 server, physically move
the connection from the server to the switch to another non-Cisco Fast EtherChannel port on
the switch.
•
Cisco Catalyst 5000 Switches
◦
Turning off Cisco's Fast Ether Channel protocol on one network physical port on the HP
9000 server might cause the entire link aggregate (the port it is associated with) to be
deconfigured.
Severity: High
Corrective Action: Reconfigure the switch; do not include the port in the link aggregate
being configured. See the appropriate switch documentation for information on how to
reconfigure link aggregates.
The Catalyst 5000 switch allows only two- or four-port link aggregates. See the Cisco
Catalyst 5000 Configuration Guide for information about these limitations.
•
3Com SuperStack II Switches
To interoperate with the switch, disable the Trunk Control Message Protocol (TCMP) on all of
the ports that are being used with HP Integrity servers.
Compatibility and Installation Requirements
This section describes the compatibility information and installation requirements for this release.
For specific installation instructions, see the HP Auto Port Aggregation (APA) Administrator's Guide.
To locate this document, go to the www.hp.com/go/hpux-networking-docs product page. On this
page, select HP-UX Auto Port Aggregation (APA) Software.
Operating System and Version Compatibility
This release is specific for HP-UX 11i v3 (B.11.31.71).
Compatibility and Installation Requirements
15
Hardware Requirements
This version of HP APA runs on HP Integrity servers with the HP-UX 11i v3 (B.11.31) operating
system.
HP APA supports Cisco's FastEtherChannel (FEC, also known as PAgP) protocol, the Link
Aggregation Control Protocol (IEEE 802.3ad), or manual trunking mechanisms.
HP has tested switches from the following vendors to work with HP APA:
•
3Com
•
Cisco (also Split LACP link aggregations on Cisco Switch Stacks)
•
HP Procurve
•
Foundry
•
Alteon
•
Nortel
•
Extreme
For Nortel SMLT support, HP has tested the Passport 8006 and Passport 8010 switches with the
version 3.7.13.0 of the software.
NOTE: HOT_STANDBY and LAN_MONITOR modes are both supported with all switches;
however, HP strongly recommends using LAN_MONITOR mode.
The following network adapter cards are supported:
•
All HP PCI 10/100Base cards (both FX and TX)
•
All HP PCI 1000Base cards (both Base-T and SX)
•
All HP PCI-X 2-port Combination cards (network ports only)
•
PCI-X 10 GbE Fiber cards (failover groups only)
Required Disk Space
Approximately 2 MB.
First-time Installation
For an initial HP APA installation, two files, hp_apaconf and hp_apaportconf are placed in
/etc/rc.config.d.
The default configuration port mode is MANUAL.
Interoperability with HP Serviceguard
For this release of HP APA, to use link aggregates and failover groups (LAN_MONITOR mode) with
HP Serviceguard, you must use HP Serviceguard version A.11.17.01 or later.
Other Requirements
16
•
HP APA must be installed with the system up.
•
A reboot will be required.
•
Installation requires superuser permissions.
•
Estimated time to install the software is 3 to 5 minutes, depending on the complexity of your
system.
HP APA Overview for HP-UX 11i v3
Related Information
The latest documentation for HP APA is available at www.hp.com/go/hpux-APA-docs.
Available documents include:
•
HP Auto Port Aggregation (APA) Administrator's Guide
•
Performance and Scalability White Paper
•
Split Trunking Support with HP Auto Port Aggregation
•
Using HP APA with HP Virtual Connect Modules
•
Using APA to Build a Screaming Fast Network Server Connection
Software Availability in Native Languages
The HP APA product is available only in the English language.
Related Information
17
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