Table 131 Icmp Notes - ZyXEL Communications ZYWALL P1 User Manual

Chapter 22 Logs
Table 130 ACL Setting Notes (continued)
PACKET DIRECTION
(L to L/ZW)
(W to W/ZW)

Table 131 ICMP Notes

TYPE
0
3
4
5
8
11
12
13
14
15
360
DIRECTION
LAN to LAN/
ZyWALL
WAN to WAN/
ZyWALL
CODE DESCRIPTION
Echo Reply
Echo reply message
0
Destination Unreachable
Net unreachable
0
Host unreachable
1
Protocol unreachable
2
Port unreachable
3
A packet that needed fragmentation was dropped because it was set to Don't
4
Fragment (DF)
Source route failed
5
Source Quench
A gateway may discard internet datagrams if it does not have the buffer space
0
needed to queue the datagrams for output to the next network on the route to
the destination network.
Redirect
Redirect datagrams for the Network
0
Redirect datagrams for the Host
1
Redirect datagrams for the Type of Service and Network
2
Redirect datagrams for the Type of Service and Host
3
Echo
Echo message
0
Time Exceeded
Time to live exceeded in transit
0
Fragment reassembly time exceeded
1
Parameter Problem
Pointer indicates the error
0
Timestamp
Timestamp request message
0
Timestamp Reply
Timestamp reply message
0
Information Request
Information request message
0
DESCRIPTION
ACL set for packets traveling from the LAN to the LAN or
the ZyWALL.
ACL set for packets traveling from the WAN to the WAN
or the ZyWALL.
ZyWALL P1 User's Guide