1. Verify the type, speed, duplex mode, MTU size, and checksum
offload capability of each port you want with the following
command:
# nwmgr -v -c lanxxx
where xxx is the instance number for the port. 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:
# nwmgr -s -A mode=MANUAL -c lanxxx
b. Set the attribute value with the following command:
# nwmgr -s -A attribute=value -c lanxxx
c. Start LACP on the port with the following command:
# nwmgr -s -A mode=LACP_AUTO -c lanxxx
d. Verify that the port is in LACP mode with the following
command:
# nwmgr -A mode -c lanxxx
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 with the following command:
# nwmgr -s -A all --fr cu --sa -S apa
2. Verify that the link aggregate has a key value specified with the
nwmgr -A key -c lanxxx command, where xxx is the instance
number for the link aggregate (for example, 900 for lan900). If it
does not, set it with the following command:
# nwmgr -s -A key=value -c lanxxx
66 Troubleshooting HP APA
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