Changing the following parameters is not recommended.
Specifies the interval in milliseconds at which IP flushes the path maximum transfer unit (PMTU) discovery information, and tries to rediscover PMTU.
Refer to RFC 1191 on PMTU discovery.
1,200 milliseconds (20 minutes)
2-999,999,999
Yes
Do not change this value.
Unstable
When IPv4 or IPv6 sends an ICMPv4 or ICMPv6 error message, it includes the IP header of the packet that caused the error message. This parameter controls how many extra bytes of the packet beyond the IPv4 or IPv6 header are included in the ICMPv4 or ICMPv6 error message.
64 for IPv4
1,280 for IPv6
8-65,536 for IPv4
8-1,280 for IPv6
Yes
Do not change the value. Including more information in an ICMP error message might help in diagnosing network problems. If this feature is needed, increase the value.
Unstable