Setting the aging time for dynamic path MTUs

About the aging time for dynamic path MTUs

After the device dynamically discovers the path MTU to a destination host (see "IPv6 path MTU discovery"), it performs the following operations:

When the aging timer expires, the device removes the dynamic path MTU and discovers the path MTU again.

Restrictions and guidelines

The aging time is invalid for a static path MTU.

Procedure

  1. Enter system view.

    system-view

  2. Set the aging time for dynamic path MTUs.

    ipv6 pathmtu age age-time

    The default setting is 10 minutes.