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Forum Discussion

smp_86112's avatar
smp_86112
Icon for Cirrostratus rankCirrostratus
Mar 16, 2010

LACP Behavior

I'm collaborating with our network team on setting up an etherchannel to a couple of new 6900 LTM units running in Active/Standby mode. I've got interface 1.1 and 1.3 on the LTM in a trunk on both LTM...
config
design
smp_86112's avatar
smp_86112
Icon for Cirrostratus rankCirrostratus
Mar 22, 2010
I did a closer study of the network traces, and in fact I did find the evidence I was looking for. In a nutshell, it appears the Standby unit uses the masquerade MAC address of the external VLAN when it ARPs. The Active unit appears to be using the base MAC address of the external VLAN. This seems like a problem - the Standby unit should never be using the masquerade MAC. Am I crazy?