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values. One double colon may be used in the address to indicate the
appropriate number of zeros required to fill the undefined fields.
• 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
Normal Exec, Privileged Exec
Example
This example displays all the IPv6 addresses configured for the router.
Console#show ipv6 interface
Vlan 1 is up
IPv6 is enable.
Link-local address:
FE80::269:3EF9:FE19:6779/64
Global unicast address(es):
2009:DB9:2229::79, subnet is 2009:DB9:2229:0::/64
Joined group address(es):
FF01::1/16
FF02::1/16
FF02::1:FF00:79/104
FF02::1:FF19:6779/104
MTU is 1500 bytes.
ND DAD is enabled, number of DAD attempts: 1.
ND retransmit interval is 1000 milliseconds
Console#
Table 41-3 show ipv6 interface - display description
Field
VLAN
IPv6
Link-local address
Global unicast
address(es)
Description
A VLAN is marked “up” if the router 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 is marked “enable” if the router can send and receive IP traffic on this
interface, “disable” if the router cannot send and receive IP traffic on this interface,
or “stalled” if a duplicate link-local address is detected on the interface.
Shows the link-local address assigned to this interface
Shows the global unicast address(es) assigned to this interface
41-15
Basic IP Configuration
41