I have had an issue lately where one of the SANs at a customer site was not failing over correctly. He asked me to look over the LAN config to make sure nothing was wrong. As it turns out, I found that on the core HA switches, the network guy there started configuring on the primary switch the vlan 4, but he didn't do it on the secondary switch. They use VRRP for redundant core switching. Here is what VRRP configuration looks like on the Brocade switches:
On PRIMARY Switch:
vlan 4 name Test by port
tagged ethe 1/1
router-interface ve 4
interface ve 4
ip address 172.17.6.1 255.255.255.0
ip vrrp vrid 1
owner
ip-address 172.17.6.1
activate
On SECONDARY Switch:
vlan 4 name Test by port
tagged ethe 1/1
router-interface ve 4
interface ve 4
ip address 172.17.6.254 255.255.255.0
ip vrrp vrid 1
backup
advertise backup
ip-address 172.17.6.1
activate
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