R3721-F3210-F3171-HP High-End Firewalls Network Management Command Reference-6PW101

668
Default level
2: System level
Parameters
age-time: Aging time for path MTU in minutes, in the range of 10 to 100.
Description
Use ipv6 pathmtu age to configure the aging time for a dynamic path MTU.
Use undo ipv6 pathmtu age to restore the default.
By default, the aging time is 10 minutes.
The aging time is invalid for a static path MTU.
Related commands: display ipv6 pathmtu.
Examples
# Set the aging time for a dynamic path MTU to 40 minutes.
<Sysname> system-view
[Sysname] ipv6 pathmtu age 40
ipv6 unreachables enable
Syntax
ipv6 unreachables enable
undo ipv6 unreachables
View
System view
Default level
2: System level
Parameters
None
Description
Use ipv6 unreachables enable to enable sending of ICMPv6 destination unreachable packets.
Use undo ipv6 unreachables to disable sending of ICMPv6 destination unreachable packets.
By default, sending of ICMPv6 destination unreachable packets is disabled.
Examples
# Enable sending of ICMPv6 destination unreachable packets.
<Sysname> system-view
[Sysname] ipv6 unreachables enable
reset ipv6 neighbors
Syntax
reset ipv6 neighbors { all | dynamic | interface interface-type interface-number | static }