tcp path-mtu-discovery

Syntax

tcp path-mtu-discovery [ aging minutes | no-aging ]

undo tcp path-mtu-discovery

View

System view

Default level

2: System level

Parameters

aging minutes: Specifies the aging time of the path MTU, in the range of 10 to 30 minutes. The default aging time is 10 minutes.

no-aging: Do not age out the path MTU.

Description

Use tcp path-mtu-discovery to enable TCP path MTU discovery.

Use undo tcp path-mtu-discovery to disable TCP path MTU discovery, and disable all running path MTU timers. New TCP connections do not perform TCP path MTU discovery but existing TCP connections can still use TCP path MTU discovery.

By default, TCP path MTU discovery is disabled.

Examples

# Enable TCP path MTU discovery and set the path MTU age timer to 20 minutes.

<Sysname> system-view
[Sysname] tcp path-mtu-discovery aging 20