Motorola 2200 Administrator's Handbook page 178

Administrator's Handbook
Default Forwarding Filter
If you create one or more filters that have a matching action of forward, then action on a
packet matching none of the filters is to block any traffic.
Therefore, if the behavior you want is to force the routing of a certain type of packet and pass
all others through the normal routing mechanism, you must configure one filter to match the
first type of packet and apply Force Routing. A subsequent filter is required to match and for-
ward all other packets.
Management IP traffic
If the Force Routing filter is applied to source IP addresses, it may inadvertently block commu-
nication with the router itself. You can avoid this by preceding the Force Routing filter with a fil-
ter that matches the destination IP address of the Gateway itself.
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Example: You want packets with the TOS low latency bit to go
through VC 2 (via gateway 127.0.0.3 – the Motorola Netopia®
Gateway will use 127.0.0.x, where x is the WAN port + 1) instead
of your normal gateway.
You would set up the filter as shown here.
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