North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: Which RFC?
also, 1058, rip RFC 'Entities that use RIP are assumed to use the most specific information available when routing a datagram.' susan Bill Woodcock wrote: > > > > Anyone know *which* RFC says a packets should be routed using > > the most specific route in a routing table, not (for instance) > > the first route in the table that matches, or, for instance, > > using a less specific route that has a better metric? > > It might be worth your while to look through the sections of RFC 791 > and subsequent revisions which define the second byte of the IP > header, which sets the delivery-priority and the class-of-service for > the packet. The class-of-service (type-of-service?) field lets you > specify whether you want the shortest, largest, cheapest, or most > reliable route, those being mutually exclusive. In my experience, > both fields are set to 0 on just about all packets, which doesn't > specify any requested class-of-service. That presumably leaves the > router free to choose any route it likes, at its discretion. > > > This is so basic I hardly know where to find it > > If the router, in its discretion, chooses to route the packet in the > wrong direction, that should be easily demonstrated and reasonably > incontrovertable, no? What's your vendor's argument in favor of > shipping the packet to a nearby site which isn't associated with your > destination? I'm kind of curious to hear it... > > Who's the vendor? Please humiliate them publicly. :-) > > -Bill > > ______________________________________________________________________________ > bill woodcock [email protected] [email protected] [email protected] -- ============================================================== Susan Roycroft (formerly Susan Holdridge) cisco Systems, Inc. Customer Engineering ccie# 2322 ============================================================== - - - - - - - - - - - - - - - - -
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