OK, so this was posted in the Linux forum, moving it to HP-UX forum
For an interface to be a standby LAN, it must have pohysical connectivity to a configured LAN, which can be tested using linkloop.
E.g. if lan1 is configured, on both nodes, and lan3 is left unconfigured, but you can linkloop from lan1 on one node to th eother node's lan1 AND both lan3 ports, then this could be considered as a standby.
This gets tested at cmcheckconf and cmapplyconf runtime, and if any issues are found then you are either unable to use the lan. or you could get a number of different messages. Your error is that lan15 is unable to talk to itself and it cannot link to any other lans. Also note:
Error: Interface lan15 on gfho3 has an IP address on it
(10.142.8.94), but the configuration file doesn't have it.
This may be caused by a local switch orchanges in the network configuration.
Error: Network interface lan11 cannot be found on node gfprd3
Error: gfprd3 lan11 can communicate with gfprd3 lan14 over subnet 0.0.0.0
on the IP level, but not on the DLPI level.
There is possibly a network component between the two interfaces
that does not allow any data link level traffic through, which violates
a ServiceGuard requirement.
Error: gfprd3 lan14 can communicate with gfprd3 lan11 over subnet 0.0.0.0
on the IP level, but not on the DLPI level.
There is possibly a network component between the two interfaces
that does not allow any data link level traffic through, which violates
a ServiceGuard requirement.
You need to fix these errors in your network first
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