ICMP Message Types
Message types used by the Internet Control Message Protocol. Covers ICMPv4 (RFC 792) for IPv4 networks and ICMPv6 (RFC 4443) for IPv6 networks. Both protocols carry control and error messages between IP hosts and routers.
References
38 codes
-
0Echo Reply -
3-0Destination Unreachable: Net Unreachable -
3-1Destination Unreachable: Host Unreachable -
3-10Destination Unreachable: Communication with Destination Host Administratively Prohibited -
3-13Destination Unreachable: Communication Administratively Prohibited -
3-2Destination Unreachable: Protocol Unreachable -
3-3Destination Unreachable: Port Unreachable -
3-4Destination Unreachable: Fragmentation Needed and DF Set -
3-5Destination Unreachable: Source Route Failed -
3-6Destination Unreachable: Destination Network Unknown -
3-7Destination Unreachable: Destination Host Unknown -
3-9Destination Unreachable: Communication with Destination Network Administratively Prohibited -
3Destination Unreachable -
4Source Quench -
5Redirect -
8Echo Request -
9Router Advertisement -
10Router Solicitation -
11-0Time Exceeded: TTL Exceeded in Transit -
11-1Time Exceeded: Fragment Reassembly Time Exceeded -
11Time Exceeded -
12Parameter Problem -
13Timestamp Request -
14Timestamp Reply -
17Address Mask Request -
18Address Mask Reply -
icmpv6-1ICMPv6 Destination Unreachable -
icmpv6-128ICMPv6 Echo Request -
icmpv6-129ICMPv6 Echo Reply -
icmpv6-133ICMPv6 Router Solicitation -
icmpv6-134ICMPv6 Router Advertisement -
icmpv6-135ICMPv6 Neighbor Solicitation -
icmpv6-136ICMPv6 Neighbor Advertisement -
icmpv6-137ICMPv6 Redirect -
icmpv6-143ICMPv6 Multicast Listener Report v2 -
icmpv6-2ICMPv6 Packet Too Big -
icmpv6-3ICMPv6 Time Exceeded -
icmpv6-4ICMPv6 Parameter Problem