12-33 
View 
Interface view 
Default Level 
2: System level 
Parameters 
number: Maximum number of neighbors that can be dynamically learned by an interface, which is in the 
range of 1 to 256 and defaults to 256. 
Description 
Use the ipv6 neighbors max-learning-num command to configure the maximum number of neighbors 
that can be dynamically learned on a specified interface. 
Use the undo ipv6 neighbors max-learning-num command to restore the default. 
Examples 
# Set the maximum number of neighbors that can be dynamically learned on VLAN-interface 100 to 10.  
<Sysname> system-view 
[Sysname] interface vlan-interface 100 
[Sysname-Vlan-interface100] ipv6 neighbors max-learning-num 10 
ipv6 pathmtu 
Syntax 
ipv6 pathmtu ipv6-address [ value ] 
undo ipv6 pathmtu ipv6-address 
View 
System view 
Default Level 
2: System level 
Parameters 
ipv6-address: Specified IPv6 address. 
value: PMTU of a specified IPv6 address in bytes, in the range of 1280 to 10000. 
Description 
Use the ipv6 pathmtu command to configure a static PMTU for a specified IPv6 address. 
Use the undo ipv6 pathmtu command to remove the PMTU configuration for a specified IPv6 address. 
By default, no static PMTU is configured. 
Examples 
# Configure a static PMTU for a specified IPv6 address. 
<Sysname> system-view 
[Sysname] ipv6 pathmtu fe80::12 1300