Chapter 27
| IP Interface Commands
IPv6 Interface
– 765 –
Craft Up Down Unassigned
Console#
Related Commands
show ip interface (747)
show ipv6 mtu This command displays the maximum transmission unit (MTU) cache for
destinations that have returned an ICMP packet-too-big message along with an
acceptable MTU to this switch.
Command Mode
Normal Exec, Privileged Exec
Example
The following example shows the MTU cache for this device:
Console#show ipv6 mtu
MTU Since Destination Address
1400 00:04:21 5000:1::3
1280 00:04:50 FE80::203:A0FF:FED6:141D
Console#
show ipv6 traffic This command displays statistics about IPv6 traffic passing through this switch.
Command Mode
Privileged Exec
Example
The following example shows statistics for all IPv6 unicast and multicast traffic, as
well as ICMP, UDP and TCP statistics:
Console#show ipv6 traffic
IPv6 Statistics:
IPv6 received
total received
header errors
Table 156: show ipv6 mtu - display description
*
* No information is displayed if an IPv6 address has not been assigned to the switch.
Field Description
MTU Adjusted MTU contained in the ICMP packet-too-big message returned from this
destination, and now used for all traffic sent along this path.
Since Time since an ICMP packet-too-big message was received from this destination.
Destination
Address
Address which sent an ICMP packet-too-big message.
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