HP Auto Port Aggregation Administrator's Guide for HP-UX 11i v1 and 11i v2 September 2008

The Active Ports PPA # field shows the ports that compose the
link aggregate.
If the link aggregate contains ports that you do not want in the
aggregate, delete the ports by issuing the following command:
# lanadmin -X -d portPPA linkAggPPA
where portPPA can be a list of multiple ports numbers separated by
a space.
If any ports you wanted in the link aggregate are members of another
link aggregate, delete the ports in the other aggregate by issuing the
following command:
# lanadmin -X -d -portPPA linkAggPPA
If there are ports you wanted in the link aggregate that are not members
of the link aggregate, do the following:
1. Verify the type, speed (including duplex), MTU size, and checksum
offload of each port you want with the following command:
# lanadmin -g portPPA
All ports must have the same values.
NOTE: You cannot aggregate a port that has no CKO capability
with a port that has CKO capability, even if its CKO capability is
currently disabled.
To change an attribute, do the following:
a. Stop LACP on the port with the following command:
# lanadmin -X -p MANUAL portPPA
b. Set the attribute value with the lanadmin command.
c. Start LACP on the port with the following command:
# lanadmin -X -p LACP_AUTO portPPA
d. Verify that the port is in LACP mode with the following
command:
# lanadmin -g portPPA
If the port is not in LACP mode, possible reasons are:
• The port has IP addresses or VLANS configured on it.
Unconfigure them from the port and start LACP again.
• The port is not in full-duplex mode. Make sure the port
on the server and on the switch are set to full-duplex or
to autonegotiate. Start LACP again.
• The port is already in a link aggregate, failover group,
or in FEC_AUTO mode. Find another port to use.
• The port is not an Ethernet port or is not supported by
HP APA.
• The port is down. Wait for the port to come up. Verify
that the port is connected to the switch correctly. If it is,
reset the port.
e. Save the current configuration either by using SAM or editing
the configuration files.
2. Verify that the link aggregate has a key value specified with the
lanadmin -x -k linkAggPPA command. If it does not, set it
with the following command:
Solving HP APA Problems 75