From owner-freebsd-isp Wed Jun 19 08:40:40 1996 Return-Path: owner-isp Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id IAA20877 for isp-outgoing; Wed, 19 Jun 1996 08:40:40 -0700 (PDT) Received: from etinc.com (etinc.com [204.141.244.98]) by freefall.freebsd.org (8.7.5/8.7.3) with SMTP id IAA20866 for ; Wed, 19 Jun 1996 08:40:36 -0700 (PDT) Received: from dialup-usr11.etinc.com (dialup-usr11.etinc.com [204.141.95.132]) by etinc.com (8.6.12/8.6.9) with SMTP id LAA05798 for ; Wed, 19 Jun 1996 11:47:28 -0400 Date: Wed, 19 Jun 1996 11:47:28 -0400 Message-Id: <199606191547.LAA05798@etinc.com> X-Sender: dennis@etinc.com X-Mailer: Windows Eudora Version 2.0.3 Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" To: freebsd-isp@freebsd.org From: dennis@etinc.com (Dennis) Subject: Re: BGP on a cisco 2500 series Sender: owner-isp@freebsd.org X-Loop: FreeBSD.org Precedence: bulk >On Tue, 18 Jun 1996, Chris Watson wrote: > >> I saw this topic discussed briefly on one of the lists. >> I didnt pay much attention till now. My boss wants to go multihomed and >> run BGP. We have a 2501 cisco router, and i'm pretty confident theres no >> way on gods green earth we can do it on a 2501. both serials are used. >> And i dont think it has the ability to hold a full routing table? > >I think that a full routing table takes about 6 MB these days. The >Cisco 2501 comes with 2 MB and you can add 16 MB for something like $300 >if you don't buy the SIMM from Cisco. Use one Cisco to handle one feed >and the other Cisco to handle the other feed. If you get a lot of route >flaps, increase the dampening. > >This approach saves money and gives you real fault-tolerance. Either >provider or either Cisco can fail and you won't go down. I would also >put them on separate UPSs. Anyone out there getting multiple views of the net with a 2501? With filtering and convergence situations the little processor in a 2501 is rather inadaquate. Dennis ---------------------------------------------------------------------------- Emerging Technologies, Inc. http://www.etinc.com Synchronous Communications Cards and Routers For Discriminating Tastes. 56k to T1 and beyond. Frame Relay, PPP, HDLC, and X.25 for BSD/OS, FreeBSD and LINUX