HP Auto Port Aggregation (APA) Release Notes for HP-UX 11i v1, 11i v2, and 11i v3 December 2007

3 HP APA Overview for HP-UX 11i v3
This chapter provides information about the HP-UX 11i v3 (B.11.31.10) December 2007 release
of HP Auto Port Aggregation (APA) and LAN Monitor software.
This release of HP APA now supports
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. See the HP Auto Port Aggregation (APA) Administrator's Guide
for more information.
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.11.31.10 version of HP APA:
• Enables you to monitor link aggregate MIB statistics using the nwmgr command.
• Supports the resetting of link aggregates and failover groups with the nwmgr and lanadmin
commands.
See the HP Auto Port Aggregation (APA) Administrator's Guide (HP Part Number J4240-90041) for
more information on the new features and how to use them.
Known Problems Fixed in This Version
Table 2.1 lists the known problems and fixes in this release of HP APA B.11.31.10.
Table 3-1 Fixes in the HP APA B.11.31.10 Release
DescriptionDefect ID
PAgP ports in link aggregates join different aggregates after the ports are reset or
the CKO setting changes.
CR: JAGag07481
SR: 8606450414
HP APA commands appear to hang because of multiple mp_timeout() processes.
CR: JAGag27459
SR: 8606472604
When changing port modes from LACP to MANUAL, there is a panic in
igelan_callback(),
CR: JAGag28381
SR: 8606473759
The nwmgr command accepts malformed decimal values for the poll_interval
parameter.
CR: JAGag33139
SR: 86064788988
HP APA fails to form a link aggregate when a single PPA is unavailable.CR: JAGag34093
SR: 8606479954
Auto Port Aggregation 17