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ipv6 pathmtu age 
Syntax 
ipv6 pathmtu age age-time 
undo ipv6 pathmtu age 
View 
System view 
Default Level 
2: System level 
Parameters 
age-time: Aging time for PMTU in minutes, in the range of 10 to 100. 
Description 
Use the ipv6 pathmtu age command to configure the aging time for a dynamic PMTU. 
Use the undo ipv6 pathmtu age command to restore the default. 
By default, the aging time is 10 minutes. 
Note that the aging time is invalid for a static PMTU. 
Related commands: display ipv6 pathmtu. 
Examples 
# Set the aging time for a dynamic PMTU to 40 minutes. 
<Sysname> system-view 
[Sysname] ipv6 pathmtu age 40 
reset ipv6 fibcache 
Syntax 
reset ipv6 fibcache 
View 
User view 
Default Level 
2: System level 
Parameters 
None 
Description 
Use the reset ipv6 fibcache command to clear FIB cache entries. 
Examples 
# Clear FIB cache entries. 
<Sysname> reset ipv6 fibcache