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
ipv6 pathmtu
reset ipv6 pathmtu