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:
Sends packets to the destination host based on this path MTU.
Starts the aging timer for this path MTU.
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
Enter system view.
system-view
Set the aging time for dynamic path MTUs.
ipv6 pathmtu age age-time
The default setting is 10 minutes.