0,echo-reply,0
1,destination-unreachable,3
2,network-unreachable,3/0
3,host-unreachable,3/1
4,protocol-unreachable,3/2
5,port-unreachable,3/3
6,fragmentation-needed,3/4
7,source-route-failed,3/5
8,network-unknown,3/6
9,host-unknown,3/7
10,network-prohibited,3/9
11,host-prohibited,3/10
12,TOS-network-unreachable,3/11
13,TOS-host-unreachable,3/12
14,communication-prohibited,3/13
15,host-precedence-violation,3/14
16,precedence-cutoff,3/15
17,source-quench,4
18,redirect,5
19,network-redirect,5/0
20,host-redirect,5/1
21,TOS-network-redirect,5/2
22,TOS-host-redirect,5/3
23,echo-request,8
24,router-advertisement,9
25,router-solicitation,10
26,time-exceeded,11
27,ttl-zero-during-transit,11/0
28,ttl-zero-during-reassembly,11/1
29,parameter-problem,12
30,ip-header-bad,12/0
31,required-option-missing,12/1
32,timestamp-request,13
33,timestamp-reply,14
34,address-mask-request,17
35,address-mask-reply,18