You can configure the interval for
sending router advertisements, the router advertisement lifetime, and the hop
limit.
About this task
As a best practice, ensure that the
interval between router advertisement transmission is less than or equal to the router
lifetime value if the router is advertised as a default route.
Procedure
-
Access global configuration
mode.
device# configure terminal
-
Access interface configuration
mode.
device# interface ethernet 0/1
-
Configure the number of seconds
that a router is advertised as the default router on an interface.
device(config-if-eth-0/1)# ipv6 nd ra-lifetime 1900
If you set the lifetime to 0, the router is not advertised as a default
router.
-
Configure the maximum and
minimum intervals (in seconds) during which router advertisement messages are
sent randomly.
device(config-if-eth-0/1)# ipv6 nd ra-interval 1200 min 400
-
Specify the maximum number of
hops to advertise in advertisement messages.
device(config-if-eth-0/1)# ipv6 nd hoplimit 32
-
Specify the size of the maximum
transmission unit (MTU) that is advertised in an advertisement message.
device(config-if-eth-0/1)# ipv6 nd mtu 2400
