Chapter 27
| IP Interface Commands
IPv6 Interface
– 673 –
prefix-length - A decimal value indicating how many of the contiguous bits
(from the left) of the address comprise the prefix (i.e., the network portion
of the address).
Command Mode
Privileged Exec
Example
This example displays all the IPv6 addresses configured for the switch.
Console#show ipv6 interface
VLAN 1 is up
IPv6 is enabled
Link-local address:
fe80::269:3ef9:fe19:6779%1/64
Global unicast address(es):
2001:db8:0:1:7272:cfff:fe83:3466/64, subnet is 2001:db8:0:1::/64[EUI]
2001:db8:2222:7272::72/96, subnet is 2001:db8:2222:7272::/96
Joined group address(es):
ff02::1:ff19:6779
ff02::1:ff00:72
ff02::1:ff83:3466
ff02::1
IPv6 link MTU is 1500 bytes
ND DAD is enabled, number of DAD attempts: 3.
ND retransmit interval is 1000 milliseconds
ND advertised retransmit interval is 0 milliseconds
ND reachable time is 30000 milliseconds
ND advertised reachable time is 0 milliseconds
ND advertised router lifetime is 1800 seconds
Console#
Table 140: show ipv6 interface - display description
Field Description
VLAN A VLAN is marked “up” if the switch can send and receive packets on this interface,
“down” if a line signal is not present, or “administratively down” if the interface has
been disabled by the administrator.
IPv6 IPv6 is marked “enable” if the switch can send and receive IP traffic on this
interface, “disable” if the switch cannot send and receive IP traffic on this interface,
or “stalled” if a duplicate link-local address is detected on the interface.
Link-local
address
Shows the link-local address assigned to this interface
Global unicast
address(es)
Shows the global unicast address(es) assigned to this interface
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