Date: Sat, 6 May 2000 15:23:08 +0200 (CEST) From: Andrzej Bialecki <abial@webgiro.com> To: Ulf Zimmermann <ulf@Alameda.net> Cc: Paul D Kruse <paul@pcslink.com>, freebsd-isp@FreeBSD.ORG Subject: Re: MRTG / Cisco 3810 Message-ID: <Pine.BSF.4.20.0005061520570.78514-100000@mx.webgiro.com> In-Reply-To: <20000505194757.I20555@PacHell.TelcoSucks.org>
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On Fri, 5 May 2000, Ulf Zimmermann wrote: > On Sat, May 06, 2000 at 07:18:11PM -0700, Paul D Kruse wrote: > > We have recently upgraded the IOS on our Cisco 3810 from 11.3 to 12.0. This > > router handles our DSL connections. The reason we upgraded the IOS was > > because we wanted to provide PPP access to our customers, in addition to the > > Bridged access we already had. Well in the process, MRTG, which runs on one > > of our Free BSD boxes, quit working for the subinterfaces on this router. > > The upgrade of the IOS converted the Serial2.32 interface to ATM0.32. > > Originally, we were monitoring / graphing down to the PVC level. > > Each time you reboot a Cisco, there is the possibility that the index > numbers for SNMP change. Example: > You now run cfgmaker and configure your mrtg and everything is fine. > > Now you add Serial1/0.5 (another subinterface), it will probably become > index 11. But what happens when you reboot now ? The IOS will number > the interfaces again. Serial1/0.5 will become Index 6, Serial 2/0 becomes > 7, Serial 2/0.1 becomes 8, etc. You can patch mrtg to use interface descriptions instead (that is, if you set them before to some unique values). They are available as part of the enterprise MIB. Andrzej Bialecki // <abial@webgiro.com> WebGiro AB, Sweden (http://www.webgiro.com) // ------------------------------------------------------------------- // ------ FreeBSD: The Power to Serve. http://www.freebsd.org -------- // --- Small & Embedded FreeBSD: http://www.freebsd.org/~picobsd/ ---- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message
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