Figure 315 "Triangle Route" Problem - ZyXEL Communications P-335WT User Manual

Firewall router with print server 802.11g wireless firewall router with print server

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P-335 Series User's Guide

Figure 315 "Triangle Route" Problem

The "Triangle Route" Solutions

This section presents you two solutions to the "triangle route" problem.

IP alias allows you to partition your network into logical sections over the same Ethernet

interface. Your Prestige supports up to three logical LAN interfaces with the Prestige being the

gateway for each logical network. By putting your LAN and Gateway B in different subnets,

all returning network traffic must pass through the Prestige to your LAN. The following steps

describe such a scenario.

1 A computer on the LAN initiates a connection by sending a SYN packet to a receiving

server on the WAN.

2 The Prestige reroutes the packet to Gateway B, which is in the 192.168.2.1 to

192.168.2.24 subnet.

3 The reply from WAN goes through the Prestige to the computer on the LAN in the

192.168.1.1 to 192.168.1.24 subnet.

Appendix L Triangle Route

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