Neighbor Cache and Neighbor Discovery Commands
29-14 IPv6 Configuration
Neighbor Cache and Neighbor Discovery Commands
The IPv6 Neighbor Cache functions similarly to the IPv4 ARP table. Entries can be made to the
Neighbor Cache by the Neighbor Discovery protocol.
The Neighbor Discovery commands allow you to set protocol parameters on an interface basis.
clear ipv6 neighbors
This command clears all the dynamically learned entries in the Neighbor Cache, or an entry on a
specific interface.
Syntax
clear ipv6 neighbor [vlan vlan-id]
Parameters
Defaults
None.
Mode
Router privileged exec: C3(su)->router#
Usage
To clear all dynamically learned Neighbor Cache entries, use this command without any
parameters.
Example
This example clears all dynamically learned cache entries.
C3(su)->router#clear ipv6 neighbors
For information about... Refer to page...
clear ipv6 neighbors 29-14
ipv6 nd dad attempts 29-15
ipv6 nd ns-interval 29-15
ipv6 nd reachable-time 29-16
ipv6 nd other-config-flag 29-17
ipv6 nd ra-interval 29-18
ipv6 nd ra-lifetime 29-18
ipv6 nd suppress-ra 29-19
ipv6 nd prefix 29-19
vlan vlan-id (Optional) Clear only the entries on the specified interface.