Configuring Basic Vrrp Support - Juniper EX9200 Features Manual

High Availability Feature Guide for EX9200 Switches
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Configuring Basic VRRP Support

130
NOTE: During the silent startup period, the
shows a value of 0 for
. These values indicate that the Master selection is not completed yet,
router
and these values can be ignored.
Understanding VRRP on page 119
Configuring Basic VRRP Support on page 130
Configuring VRRP Authentication (IPv4 Only) on page 134
Configuring VRRP on page 150
NOTE: Starting in Junos OS Release 13.2, VRRP nonstop active routing (NSR)
is enabled only when you configure the
[edit routing-options]
routing-options]
The Virtual Router Redundancy Protocol (VRRP) groups multiple routing devices into a
virtual router. At any time, one of the VRRP routing platforms is the master (active) and
the others are backups. If the master fails, one of the backup routing platforms becomes
the new master router.
You configure VRRP by configuring a VRRP group.
To configure basic VRRP support, you configure VRRP groups on interfaces. An interface
can be a member of one or more VRRP groups. Within a VRRP group, the master virtual
router and the backup virtual router must be configured on different routing platforms.
Mandatory parameters to configure a VRRP group are as follows (examples will follow):
Configure the group identifier (mandatory).
1.
Configure the group:
2.
Configure the virtual IP address of one or more virtual routers that are members of
the VRRP group (mandatory).
Configure the virtual link-local address (VRRP for IPv6 only). The virtual link-local
address is autogenerated when you enable VRRPv3 on the interface. You may
explicitly define a virtual link-local address for each VRRP for the IPv6 group. The
virtual link-local address must be on the same subnet as the physical interface
address.
Configure the priority for the routing platform to become the master virtual router
(mandatory).
, and your own IP address for
Master priority
nonstop-routing
or
[edit logical system logical-system-name
hierarchy level.
command output
show vrrp detail
Master
statement at the
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