ICMP Message Types Flashcards
1
Q
Type 0
A
Echo reply
2
Q
Type 3: Code 0
A
Destination network unreachable
3
Q
Type 3: Code 1
A
Destination host unreachable
4
Q
Type 3: Code 6
A
Network unknown
5
Q
Type 3: Code 7
A
Host unknown
6
Q
Type 3: Code 9
A
Network administratively prohibited
7
Q
Type 3: Code 10
A
Host administratively prohibited
8
Q
Type 3: Code 13
A
Communication administratively prohibited
9
Q
Type 4
A
Source quench (congestion control)
10
Q
Type 5
A
Rediret
11
Q
Type 5: Code 0
A
Redirect datagram for the network
12
Q
Type 5: Code 1
A
Redirect datagram for the host
13
Q
Type 8
A
Echo request (ping message)
14
Q
Type 11
A
Time exceeded
15
Q
Type 11: Code 0
A
TTL expired
