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14 Redundancy management
VRRP configuration
Configuration algorithm
Configuration example 1
Configuration example 2
VRRP tracking configuration
Configuration algorithm
Configuration example
14.1 VRRP configuration
VRRP ( Virtual Router Redundancy Protocol) is a network protocol designed for increased availability of routers,
acting as a default gateway. This is performed by aggregation of a router group into a single virtual router and
assigning a shared IP address, that will be used as a default gateway for computers in the network.
14.1.1 Configuration algorithm
Step Description Command Keys
1 Switch to the interface/tunnel/network
bridge configuration mode for which it
is necessary to configure VRRP
esr(config)# interface <IF-
TYPE><IF-NUM>
<IF-TYPE> – interface type;
<IF-NUM> – F/S/P – F frame
(1), S – slot (0), P – port.
esr(config)# tunnel <TUN-
TYPE><TUN-NUM>
<TUN-TYPE> – tunnel type;
<TUN-NUM> – tunnel number.
esr(config)# bridge <BR-NUM> <BR-NUM> – bridge number.
2 Configure the required parameters on the interface/tunnel/network bridge including IP address
3 Enable VRRP process on IP interface. esr(config-if-gi)# vrrp
esr(config-if-gi)# ipv6 vrrp
4 Set virtual IP address of VRRP router. esr(config-if-gi)# vrrp ip <ADDR/
LEN>
<ADDR/LEN> – virtual IP
address, defined as
AAA.BBB.CCC.DDD/EE where
each part AAA-DDD takes
values of [0..255] and EE takes
values of [1..32]. You can
specify several IP addresses
separated by commas. Up to 4
IP addresses can be assigned
to the interface.
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