Cisco 300 Series Cli Manual page 619

Stackable managed switches

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If an entry for the specified IPv6 address already exists in the neighbor discovery

cache, learned through the IPv6 neighbor discovery process, the entry is

automatically converted to a static entry.

Static entries in the IPv6 neighbor discovery cache are not modified by the

neighbor discovery process.

Use the no ipv6 neighbor

given static entry on the given interface. The command does not remove the entry

from the cache, if it is a dynamic entry, learned from the IPv6 neighbor discovery

Use the no ipv6 neighbor

the given interface.

Use the no ipv6 neighbor command to remove the all static entries on all

show ipv6 neighbors

discovery cache. A static entry in the IPv6 neighbor discovery cache can have one

of the following states:

NCMP (Incomplete)—The interface for this entry is down.

REACH (Reachable)—The interface for this entry is up.

Note. Reachability detection is not applied to static entries in the IPv6 neighbor

discovery cache; therefore, the descriptions for the INCMP and REACH states are

different for dynamic and static cache entries.

Example 1. The following example configures a static entry in the IPv6 neighbor

discovery cache for a neighbor with the IPv6 address 2001:0DB8::45A and

link-layer address 0002.7D1A.9472 on VLAN 1:

switchxxxxxx(config)#

Example 2. The following example deletes the static entry in the IPv6 neighbor

discovery cache for a neighbor with the IPv6 address 2001:0DB8::45A and

link-layer address 0002.7D1A.9472 on VLAN 1:

switchxxxxxx(config)#

ipv6-address interface-id

interface-id

command to delete the all static entries on

command to view static entries in the IPv6 neighbor

ipv6 neighbor 2001:0DB8::45A vlan1 0002.7D1A.9472

no ipv6 neighbor 2001:0DB8::45A vlan1

OL-32830-01 Command Line Interface Reference Guide

IPv6 Commands

command to remove the one