Chapter 31
| VRRP Commands
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â—† VRRP advertisements are sent to the multicast address 224.0.0.18. Using a
multicast address reduces the amount of traffic that has to processed by
network devices that are not part of the designated VRRP group.
â—† If the master router stops sending advertisements, backup routers will bid to
become the master router based on priority. The dead interval before
attempting to take over as the master is three times the hello interval plus half a
second
Example
Console(config-if)#vrrp 1 timers advertise 5
Console(config-if)#
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
â—† Use this command without any keywords to display the full listing of status
information for all VRRP groups configured on this router.
â—† Use this command with the brief keyword to display a summary of status
information for all VRRP groups configured on this router.
â—† Specify a group number to display status information for a specific group
Example
This example displays the full listing of status information for all groups.
Console#show vrrp
VLAN 1 - Group 1,
State Master
Virtual IP Address 192.168.1.6
Virtual MAC Address 00-00-5E-00-01-01
Advertisement Interval 5 sec
Preemption Enabled
Min Delay 10 sec
Priority 255
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