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Routing Protocol Configuration Command Set
Configuring VRRP
Matrix NSA Series Configuration Guide 13-99
13.2.6.7 critical-ip
Use this command to set a critical IP address for VRRP routing. A critical IP address defines an
interface — in addition to the interface between hosts and a first-hop router — that will prevent the
master router from functioning properly if the interface were to fail. For example, an IP address of
an interface connecting a master router to a router configured for internet access would be
considered a critical IP address for VRRP routing. Up to four critical IP addresses can be configured
on the device.
critical-ip vlan vlan-id vrid ip-address [critical-priority]
Syntax Description
Command Syntax of the “no” Form
The “no” form of this command clears the critical IP address:
no critical-ip vlan vlan-id vrid ip-address
Command Type
Router command.
Command Mode
Router configuration: Matrix>Router1(config-router)#
Command Defaults
If not specified, critical-priority will be set to 10.
vlan vlan-id Specifies the number of the VLAN on which to set the
critical IP address. This VLAN must be configured for IP
routing as described in Section 2.3.2.
vrid Specifies a unique Virtual Router ID (VRID) associated
with the routing interface. Valid values are from 1 to 255.
ip-address Specifies the IP address to set as the critical IP address.
critical-priority (Optional) Specifies the value by which the VRID’s
priority will decrease as a critical IP becomes unavailable.