display ipv6 pathmtu

Use the display ipv6 pathmtu command to display IPv6 Path MTU information.

Syntax

display ipv6 pathmtu [ vpn-instance vpn-instance-name ] { ipv6-address | { all | dynamic | static } [ count ] }

Views

Any view

Predefined user roles

network-admin

network-operator

Parameters

vpn-instance vpn-instance-name: Specifies an MPLS L3VPN instance by its name, a case-sensitive string of 1 to 31 characters. If you do not specify this option, the command displays IPv6 Path MTU information about the public network.

ipv6-address: Specifies the destination IPv6 address for which the Path MTU information is to be displayed.

all: Displays all Path MTU information for the public network.

dynamic: Displays all dynamic Path MTU information.

static: Displays all static Path MTU information.

count: Displays the total number of Path MTU entries.

Usage guidelines

Use display ipv6 pathmtu to display the IPv6 Path MTU information, including the dynamic Path MTUs and the static Path MTUs.

Examples

# Display all Path MTU information.

<Sysname> display ipv6 pathmtu all
IPv6 destination address                PathMTU   Age   Type
1:2::3:2                                   1800       -      Static
1:2::4:2                                   1400       10     Dynamic
1:2::5:2                                   1280       10     Dynamic

# Displays the total number of Path MTU entries.

<Sysname> display ipv6 pathmtu all count
Total number of entries: 3

Table 46: Command output

Field

Description

PathMTU

Path MTU value on the network path to an IPv6 address.

Age

Time for a Path MTU to live. For a static Path MTU, this field displays a hyphen (-).

Type

Indicates that the Path MTU is dynamically negotiated or statically configured.

Total number of entries

Total number of Path MTU entries.

Related commands