The “triangle route” solutions, Ip aliasing, Figure 315 “triangle route” problem – ZyXEL Communications P-335WT User Manual
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P-335 Series User’s Guide
496
Appendix L Triangle Route
Figure 315 “Triangle Route” Problem
The “Triangle Route” Solutions
This section presents you two solutions to the “triangle route” problem.
IP Aliasing
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.
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