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VRRP Components
Page 174 7750 SR OS Router Configuration Guide
Configurable Parameters
In addition to backup IP addresses, to facilitate configuration of a virtual router on 7750 SR
routers, the following parameters can be defined in owner configurations:
• Virtual Router ID (VRID) on page 174
• Message Interval and Master Inheritance on page 176
• VRRP Message Authentication on page 178
• Authentication Data on page 180
• Virtual MAC Address on page 180
The following parameters can be defined in non-owner configurations:
• Virtual Router ID (VRID) on page 174
• Priority on page 174
• Message Interval and Master Inheritance on page 176
• Master Down Interval on page 177
• Preempt Mode on page 177
• VRRP Message Authentication on page 178
• Authentication Data on page 180
• Virtual MAC Address on page 180
• Inherit Master VRRP Router’s Advertisement Interval Timer on page 181
• Policies on page 181
Virtual Router ID (VRID)
The VRID must be configured with the same value on each virtual router associated with the
redundant IP address (IP addresses). It is placed in all VRRP advertisement messages sent by each
virtual router.
Priority
The priority value affects the interaction between this VRID and the same VRID of other virtual
routers participating on the same LAN. A higher priority value defines a greater priority in
becoming the virtual router master for the VRID. The priority value can only be configured when
the defined IP address on the IP interface is different than the virtual router IP address (non-owner
mode).