ZyXEL Communications ZyXEL ZyWALL 2WG User Manual page 507

Table 181 ICMP Notes (continued)
TYPE CODE
2
3
4
5
4
0
5
0
1
2
3
8
0
11
0
1
12
0
13
0
14
0
15
0
16
0
ZyWALL 2WG User's Guide
DESCRIPTION
Protocol unreachable
Port unreachable
A packet that needed fragmentation was dropped because it was set to Don't
Fragment (DF)
Source route failed
Source Quench
A gateway may discard internet datagrams if it does not have the buffer space
needed to queue the datagrams for output to the next network on the route to
the destination network.
Redirect
Redirect datagrams for the Network
Redirect datagrams for the Host
Redirect datagrams for the Type of Service and Network
Redirect datagrams for the Type of Service and Host
Echo
Echo message
Time Exceeded
Time to live exceeded in transit
Fragment reassembly time exceeded
Parameter Problem
Pointer indicates the error
Timestamp
Timestamp request message
Timestamp Reply
Timestamp reply message
Information Request
Information request message
Information Reply
Information reply message
Chapter 26 Logs Screens
507