C
HAPTER
41
| IP Interface Commands
IPv6 Interface
– 946 –
COMMAND USAGE
◆ The time limit configured by this command allows the switch to detect
unavailable neighbors.
EXAMPLE
The following sets the reachable time for a remote node to 1000
milliseconds:
Console(config)#interface vlan 1
Console(config)#pv6 nd reachable-time 1000
Console(config)#
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
neighbors
This command displays information in the IPv6 neighbor discovery cache.
SYNTAX
show ipv6 neighbors [vlan vlan-id | ipv6-address]
vlan-id - VLAN ID (Range: 1-4093)
ipv6-address - The IPv6 address of a neighbor device. You can
specify either a link-local or global unicast address formatted
according to RFC 2373 “IPv6 Addressing Architecture,” using 8
colon-separated 16-bit hexadecimal values. One double colon may
be used in the address to indicate the appropriate number of zeros
required to fill the undefined fields.
DEFAULT SETTING
All IPv6 neighbor discovery cache entries are displayed.
COMMAND MODE
Privileged Exec
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