110CHAPTER 8: CONFIGURING BRIDGING AND ROUTING

The IPX router ignores any dynamic updates or backup routes on the network when a static route is configured for a specific network. Static routes are recommended only where the network topology remains constant.

Define a static route using:

ADD !<port> -IPX ROUte {&<remote network> Default} [<network>]

<media address> <hops> [Override] [hdrfmt]

Defining a Default Route

You can configure a static default route, which is subsequently added to the routing table and propagated by NRIP or NLSP. Once a default route is specified, packets destined to unknown networks (networks not explicitly known or listed in the routing table) are routed to the default router for subsequent routing. You can configure only one default route per port.

Use this procedure to configure a default route so that unknown destination packets can be properly forwarded. Define a static default route using:

ADD !<port> -IPX ROUte Default <media address> <hops>

Override Option

If a destination network is reachable with both a static route and a learned route, the router uses the static route unless you specify the optional Override value in the ADD ROUte command. In that case, if a learned route is available, regardless of precedence, it overrides the static route. You should specify Override for a path you want to use for route redundancy. The Override value is entered at the end of the command.

Configuring Route If your primary line fails, you can use a back-up line to route traffic by Redundancy Using a configuring route redundancy.To configure a back-up line for route

Static Route redundancy, configure the line according to Chapter 7.

If you use a static route on the back-up line, but use a dynamic routing protocol like NLSP on the primary line, use the Override option as described in “Override Option” on page 110.

If you are using static routes for both lines, set the hops for the back-up line to a higher number using the syntax in “Configuring Static Routes” on page 109.

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3Com SuperStack II, NETBuilder SI manual Defining a Default Route, Override Option