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Chapter 2
XNS Configuration Notes
Refer to this chapter when you are configuring the following XNS services:
• XNS without RIP
• XNS on a Token Ring interface
Configuring XNS Without RIP
The router running XNS software learns WAN addresses from RIP broadcasts
received over WANs. The router stores the XNS address/WAN address pairs in its
RIP table for future determination of next-hop destinations.
Every router running XNS software on the internetwork learns about all the other
routers running XNS software through the propagation of RIP tables. These tables
can become very large in large internetworks.
You may want to configure XNS without RIP to control the size of these tables
and to reduce bandwidth. However, you must do the following when you
configure an XNS WAN interface without RIP:
1.
Configure an adjacent host, and edit the DLCI parameter in the XNS Adjacent
Host Configuration window for each host on an adjacent Frame Relay or
SMDS network.
Refer to “Configuring Adjacent Host Parameters” in Chapter 4.
2.
Configure a static route to the next-hop router for each adjacent host.
Refer to “Configuring Static Route Parameters” in Chapter 4.
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