Neighbor Cache and Neighbor Discovery Commands
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.
For information about...
clear ipv6 neighbors
ipv6 nd dad attempts
ipv6 nd ns-interval
ipv6 nd reachable-time
ipv6 nd other-config-flag
ipv6 nd ra-interval
ipv6 nd ra-lifetime
ipv6 nd suppress-ra
ipv6 nd prefix
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
vlan vlan‐id
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
22-14 IPv6 Configuration
(Optional) Clear only the entries on the specified interface.
Refer to page...
22-14
22-15
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22-19
22-19
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