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Reliable SAP Update Protocol
A
bandwidth-saving protocol developed by Cisco to propagate services information.
RSUP allows routers to reliably send standard Novell Service Advertising
Protocol (SAP) packets only when the routers detect a change in advertised
services. RSUP can transport network information either in conjunction with or
independently of the Enhanced Interior Gateway Routing Protocol (IGRP) routing
function for Internetwork Packet Exchange (IPX).
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