
Customizing IP Services
117356-A Rev. A 4-59
Defining a Default Route
If IP receives a data packet with a destination address that it is unable to match in
its routing table, it looks for a default route that it can use to forward the packet.
To include a default route in the routing table, create a static route with a
destination address of 0.0.0.0. For the next-hop address, specify a router that can
forward the packet to its destination.
Defining a Black Hole for a Supernet
A router that advertises an aggregate route by using a supernet address to
represent multiple explicit routes must be able to discard packets that match the
supernet address but that do not match any of the explicit routes.
Site Manager Procedure
You do this System responds
1. In the Configuration Manager window,
choose Protocols.
The Protocols menu opens.
2. Choose IP. The IP menu opens.
3. Choose Static Routes. The IP Static Routes window opens.
4. Click on Add. The IP Configuration window opens.
5. Set the following parameters:
• Destination IP Address
• Address Mask
• Cost
• Next Hop Addr
• Next Hop Mask
• Preference
• Unnumbered CCT Name
Click on Help or see the parameter
descriptions beginning on page A-44.
6. Click on OK. Site Manager returns you to the IP Static
Routes window.
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