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Use undo ipv6 pathmtu age to restore the default.
Syntax
ipv6 pathmtu age age-time
undo ipv6 pathmtu age
Default
The aging time for dynamic Path MTU is 10 minutes.
Views
System view
Predefined user roles
network-admin
Parameters
age-time: Specifies the aging time for Path MTU in minutes, in the range of 10 to 100.
Usage guidelines
After the path MTU from a source host to a destination host is dynamically determined, the source
host sends subsequent packets to the destination host based on this MTU. After the aging time
expires, the following events occur:
• The dynamic Path MTU is removed.
• The source host determines a dynamic path MTU through the Path MTU mechanism again.
The aging time is invalid for a static Path MTU.
Examples
# Set the aging time for a dynamic Path MTU to 40 minutes.
<Sysname> system-view
[Sysname] ipv6 pathmtu age 40
Related commands
display ipv6 pathmtu
ipv6 prefer temporary-address
Use ipv6 prefer temporary-address to enable the system to preferentially use the temporary IPv6
address of the sending interface as the source address of a packet.
Use undo ipv6 prefer temporary-address to disable the system to preferentially use the temporary
IPv6 address of the sending interface as the source address of a packet.
Syntax
ipv6 prefer temporary-address
undo ipv6 prefer temporary-address
Default
The system is disabled to preferentially use the temporary IPv6 address of the sending interface as
the source address of a packet.
Views
System view
Predefined user roles
network-admin
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