As I know, VRRP does not support icmp echo replies on the virtual IP. The owner replies because it has a physical interface with the same IP, however if a backup becomes active, it'll only have the virtual IP, so it won't answer. One of the things Brocade always announces about it's VRRP-E is that it always replies to ping. Most vendors provide a config statement to enable pinging the virtual IP, but that's not strictly following the RFC.

Tamas


On 05/14/2012 09:26 PM, Steven Raymond wrote:
Two routers, MLXe, simple VRRP configuration.  The master has my .1 address, 
and all works fine,  If I shutdown the VE interface on the master for testing, 
in a few seconds routing resumes on the VE interface of my backup router.  
However, I never can ping the same .1 address while the backup router is 
active.  Re-enable the master VE interface and I can ping .1 again, and of 
course the hosts are still happy.

Is that expected behavior?

Thanks

! master
interface ve 205
  port-name admin-swts
  ip address 10.99.99.1/22
  disable
  ip vrrp vrid 1
   version v3
   owner
   ip-address 10.99.99.1
   activate
!

! backup
interface ve 205
  port-name admin-swts
  ip address 10.99.99.5/22
  ip vrrp vrid 1
   version v3
   backup
   ip-address 10.99.99.1
   advertise backup
   activate
!
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