ZyXEL Communications ZYWALL10 - Manual (Page 73)

ZyWALL 10 Internet Security Gateway
IP Static Route Setup 5-1
Chapter 5
IP Static Route Setup
This chapter shows you how to configure static routes with your ZyWALL.
Static routes tell the ZyWALL routing information that it cannot learn automatically through other means.
This can arise in cases where RIP is disabled on the LAN.
Each remote node specifies only the network to which the gateway is directly connected, and the ZyWALL
has no knowledge of the networks beyond. For instance, the ZyWALL knows about network N2 in the
following diagram through remote node Router 1. However, the ZyWALL is unable to route a packet to
network N3 because it doesn’t know that there is a route through the same remote node Router 1 (via
gateway Router 2). The static routes are for you to tell the ZyWALL about the networks beyond the remote
nodes.
Figure 5-1 Example of Static Routing Topology