ICMP codes



 

ICMP TYPE Meaning
0 Echo reply (ping reply)
3 Unreachable
4 Source quench
5 Redirect
6 Alternate address
8 Echo (ping)
9 Router advertisement
10 Router-soliticitation
11 Time exceederd
12 Parameter problem
13 Timestamp-reply
14 Timestamp-request
15 Information-request
16 Information-reply
17 Mask-request
18 Mask-reply
31 Conversion error
32 Mobile-redirect