IPV4-IPV6/3/MTU_MIN:The path MTU or IPv6 MTU of the outgoing interface on [interface-name] is less than the lower threshold 1280 bytes.
Description
The path MTU or IPv6 MTU of the outgoing interface was less than 1280 bytes.
Parameters
Parameter Name
Parameter Meaning
[interface-name]
Indicates the name of an interface.
Possible Causes
The path MTU or IPv6 MTU of the outgoing interface was less than 1280 bytes.
Procedure
Check related information on the IPv6 MTU or path MTU in the log.
Run the display ipv6 interface command to view the IPv6 MTUs of the interfaces on the link, find the interface whose IPv6 MTU is less than 1280 bytes, and modify the IPv6 MTU on this interface.