ZyXEL Communications P-334 - Manual (Page 340)

Prestige 334 User’s Guide
341 Appendix E Log Descriptions
Table 116 UPnP Logs
LOG MESSAGE DESCRIPTION
UPnP pass through Firewall UPnP packets can pass through the firewall.
Table 117 ICMP Type and Code Explanations
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
0 Time to live exceeded in transit
1 Fragment reassembly time exceeded
12 Parameter Problem
0 Pointer indicates the error
13 Timestamp
0 Timestamp request message
14 Timestamp Reply
0 Timestamp reply message
15 Information Request
0 Information request message
16 Information Reply
0 Information reply message