CLI Reference Guide-R04

Chapter 31 | IP Interface Commands
IPv6 Interface
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◆ This time limit is included in all router advertisements sent out through an
interface, ensuring that nodes on the same link use the same time value.
◆ Setting the time limit to 0 means that the configured time is unspecified by this
router.
Example
The following sets the reachable time for a remote node to 1000 milliseconds:
Console(config)#interface vlan 1
Console(config-if)ipv6 nd reachable-time 1000
Console(config-if)#
clear ipv6 neighbors This command deletes all dynamic entries in the IPv6 neighbor discovery cache.
Command Mode
Privileged Exec
Example
The following deletes all dynamic entries in the IPv6 neighbor cache:
Console#clear ipv6 neighbors
Console#
show ipv6 nd raguard This command displays the configuration setting for RA Guard.
Syntax
show ipv6 nd raguard [interface]
interface
ethernet unit/port
unit - Unit identifier. (Range: 1)
port - Port number. (Range: 1-28)
port-channel channel-id (Range: 1-26)
Command Mode
Privileged Exec
Example
Console#show ipv6 nd raguard interface ethernet 1/1
Interface RA Guard
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