User Manual

Enterasys X-Pedition User Reference Manual 163
Configuring VRRP
The following table shows the priorities for each virtual router configured on Router R3.
Note: Since 100 is the default priority, lines 8 and 9, which set the priority to 100, are actually
unnecessary. They are included for illustration purposes only.
Ping the Backup VRRP Router
When enterprise customers run an XP in a VRRP configuration, the customers may not know if a
problem exists with the Backup router. As a result, the XP feature set includes the ability to ping the
Backup router while the router is in a non-Master state. When a Backup VRRP router assumes
mastership, RFC 2338 specifies that it must not answer to ICMP echo requests (pings) destined to
the associated virtual address. In some network situations, however, you may want to permit the
Backup router to respond with an ICMP Echo Response when it is in the Master state. Use the
following command to enable ICMP Echo Response:
For more information, see the Enterasys X-Pedition Command Line Interface Reference Manual.
Virtual Router Default Priority Configured Priority
VRID=1 – IP address=10.0.0.1/16 100 100 (see line 8)
VRID=2 – IP address=10.0.0.2/16 100 100 (see line 9)
VRID=3 – IP address=10.0.0.3/16 255 (address owner) 255 (address owner)
ip-redundancy set vrrp <vrID> interface <interface> icmp-response