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CCIE Fundamentals: Network Design and Case Studies, Second Edition by Cisco Systems, Inc.

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Appendix F. Reducing SAP Traffic in Novell IPX Networks

One of the limiting factors in the operation of large Novell Internetwork Packet Exchange (IPX) networks is the amount of bandwidth consumed by the large, periodic Service Advertisement Protocol (SAP) updates. Novell servers periodically send clients information about the services they provide by broadcasting this information onto their connected local-area network (LAN) or wide-area network (WAN) interfaces. Routers are required to propagate SAP updates through an IPX network so that all clients can see the service messages. It is possible to reduce SAP traffic on Novell IPX networks by the following means:

  • Filtering SAP updates through access lists. . SAP updates can be filtered by prohibiting ...

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