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Router Redundancy Commands
4-319
4
Default Setting
Preempt: Enabled
Delay: 0 seconds
Command Mode
Interface (VLAN)
Command Usage
• If preempt is enabled, and this backup router has a priority higher than the
current acting master, it will take over as the new master. However, note that
if the original master (i.e., the owner of the VRRP IP address) comes back on
line, it will always resume control as the master.
• The delay can give additional time to receive an advertisement message from
the current master before taking control. If the router attempting to become the
master has just come on line, this delay also gives it time to gather information
for its routing table before actually preempting the currently active router.
Example
Related Commands
vrrp priority (4-317)
show vrrp
This command displays status information for VRRP.
Syntax
show vrrp [brief | group]
• brief - Displays summary information for all VRRP groups on this router.
• group - Identifies a VRRP group. (Range: 1-255)
Defaults
None
Command Mode
Privileged Exec
Command Usage
• Use this command without any keywords to display the full listing of status
information for all VRRP groups configured on this router.
• Use this command with the brief keyword to display a summary of status
information for all VRRP groups configured on this router.
• Specify a group number to display status information for a specific group
Console(config-if)#vrrp 1 preempt delay 10
Console(config-if)#