Table 157 icmp notes – ZyXEL Communications ZyWALL 2 Plus User Manual
Page 443
Chapter 25 Logs Screens
ZyWALL 2 Plus User’s Guide
443
(L to L/ZW)
LAN to LAN/
ZyWALL
ACL set for packets traveling from the LAN to the LAN or
the ZyWALL.
(W to W/ZW)
WAN to WAN/
ZyWALL
ACL set for packets traveling from the WAN to the WAN
or the ZyWALL.
(D to D/ZW)
DMZ to DMZ/
ZyWALL
ACL set for packets traveling from the DMZ to the DM or
the ZyWALL.
(L to WL)
LAN to WLAN
ACL set for packets traveling from the LAN to the WLAN.
(WL to L)
WLAN to LAN
ACL set for packets traveling from the WLAN to the LAN.
(W to WL)
WAN to WLAN
ACL set for packets traveling from the WAN to the
WLAN.
(WL to W)
WLAN to WAN
ACL set for packets traveling from the WLAN to the
WAN.
(D to WL)
DMZ to WLAN
ACL set for packets traveling from the DMZ to the WLAN.
(WL to D)
WLAN to DMZ
ACL set for packets traveling from the WLAN to the DMZ.
(WL to WL)
WLAN to WLAN/
ZyWALL
ACL set for packets traveling from the WLAN to the
WLAN or the ZyWALL.
Table 157 ICMP Notes
TYPE
CODE
DESCRIPTION
0
Echo Reply
0
Echo reply message
3
Destination Unreachable
0
Net unreachable
1
Host unreachable
2
Protocol unreachable
3
Port unreachable
4
A packet that needed fragmentation was dropped because it was set to Don't
Fragment (DF)
5
Source route failed
4
Source Quench
0
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.
5
Redirect
0
Redirect datagrams for the Network
1
Redirect datagrams for the Host
2
Redirect datagrams for the Type of Service and Network
3
Redirect datagrams for the Type of Service and Host
8
Echo
0
Echo message
11
Time Exceeded
Table 156 ACL Setting Notes (continued)
PACKET DIRECTION
DIRECTION
DESCRIPTION