ECS4660-28F_Management Guide-R03

C HAPTER 49 | IP Interface Commands
IPv6 Interface
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ipv6 nd ra lifetime This command configures the router lifetime value used in IPv6 router
advertisements sent from an interface. Use the no form to restore the
default setting.
SYNTAX
ipv6 nd ra lifetime lifetime
no ipv6 nd ra lifetime
lifetime - Router lifetime. (Range: 0-90000 seconds)
COMMAND MODE
Interface Configuration (VLAN)
DEFAULT SETTING
1800 seconds
COMMAND USAGE
◆ This command can be used to indicate the usefulness of this router as a
default router on this interface.
◆ Set the router lifetime to 0 to indicate that this router should not be
considered a default router. Set the lifetime to a non-zero value to
indicate that it should be considered a default router. When a non-zero
value is used, the lifetime should not be less than the router
advertisement interval.
EXAMPLE
The following sets the router lifetime to 8000 seconds:
Console(config)#interface vlan 1
Console(config)#ipv6 nd ra lifetime 8000
Console(config)#
ipv6 nd ra
router-preference
This command configures the default router preference for the router on an
interface. Use the no form to restore the default setting.
SYNTAX
ipv6 nd ra router-preference {high | medium | low}
no ipv6 nd ra router-preference
high - Preference for the router is high.
medium - Preference for the router is medium.
low - Preference for the router is low.
COMMAND MODE
Interface Configuration (VLAN)