Configuring Ttl Check On Vrrp Packets; Displaying And Debugging Vrrp - 3Com 3C13636 Configuration Manual

3Com Router 3000 Ethernet Family
Configuration Guide
On a PPPoE or PPPoA client, a dialer interface goes down when no session is
present between the server and its client and goes up when PPPoE or PPPoA
creates a session.
Note:
You cannot configure interface tracking on the router that is IP address owner.

3.2.8 Configuring TTL Check on VRRP Packets

Perform the following configuration in Ethernet interface view.
Table 3-8 Configure TTL check on VRRP packets
Disable TTL check on VRRP packets
Enable TTL check on VRRP packets
By default, TTL check on VRRP packets is enabled.

3.3 Displaying and Debugging VRRP

After completing the above configurations, you may execute the display command in
any view to view the operating state about VRRP, and to verify the effect of the
configurations.
Execute the debugging command in user view.
Table 3-9 Display and debug VRRP
Display state information about VRRP.
Enable VRRP packet debugging.
Disable VRRP packet debugging.
Enable VRRP state debugging.
Disable VRRP state debugging.
By default, the debugging function is disabled.
Operation
Operation
3Com Corporation
3-8
Chapter 3 VRRP Configurations
Command
vrrp un-check ttl
undo vrrp un-check ttl
Command
display vrrp [ interface type number
[ virtual-router-ID ] ]
debugging vrrp packet
undo debugging vrrp packet
debugging vrrp state
undo debugging vrrp state