Chapter 27
| IP Interface Commands
IPv6 Interface
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All devices on the same physical medium must use the same MTU in order to
operate correctly.
◆
IPv6 must be enabled on an interface before the MTU can be set.
Example
The following example sets the MTU for VLAN 1 to 1280 bytes:
Console(config)#interface vlan 1
Console(config-if)#ipv6 mtu 1280
Console(config-if)#
Related Commands
show ipv6 mtu (675)
jumbo frame (100)
show ipv6
default-gateway
This command displays the current IPv6 default gateway.
Command Mode
Normal Exec, Privileged Exec
Example
The following shows the default gateway configured for this device:
Console#show ipv6 default-gateway
IPv6 default gateway 2001:DB8:2222:7272::254
Console#
show ipv6 interface
This command displays the usability and configured settings for IPv6 interfaces.
Syntax
show ipv6 interface
[
brief
[
vlan
vlan-id [ipv6-prefix/prefix-length]]]
brief
- Displays a brief summary of IPv6 operational status and the
addresses configured for each interface.
vlan-id - VLAN ID (Range: 1-4093)
ipv6-prefix - The IPv6 network portion of the address assigned to the
interface. The prefix must be 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.
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