Re: [nsp] enquiry on record route

From: eric chan (bigeric123@hotmail.com)
Date: Sun Mar 25 2001 - 20:34:00 EST


dear sir,

        record route is actually a traceroute, you said it will by pass the
switching process, does it by password the access-list or rate limit too ?

eric

>From: George Robbins <grr@shandakor.tharsis.com>
>To: bigeric123@hotmail.com, cisco-nsp@puck.nether.net
>Subject: Re: [nsp] enquiry on record route
>Date: Sat, 24 Mar 2001 01:40:59 -0500 (EST)
>
>A bit more context would help, but if you're talking 7500 or 7200,
>and have CEF turned on, you need to upgrade to a version where CEF
>actually works. 12.0.14S is a good starting point, 12.1.5T otherwise.
>Some versions of 11.1CC probably work too. 8-)
>
>The kind of behavior you're describing is typical of CEF switching
>bugs, turning on record-route make the traceroute bypass the fast
>switching path and the bugs hide in the woodwork.
>
>Note that the problem isn't neccessarily on the router you're
>pinging from, it could be on the target router.
>
> George
>
>
> > From cisco-nsp-request@puck.nether.net Sat Mar 24 01:17:45 2001
> > Resent-Date: Sat, 24 Mar 2001 01:17:28 -0500
> > Received-Date: Sat, 24 Mar 2001 01:15:23 -0500
> > X-Originating-IP: [202.67.146.125]
> > From: "eric chan" <bigeric123@hotmail.com>
> > To: cisco-nsp@puck.nether.net
> > Date: Sat, 24 Mar 2001 14:15:17 +0800
> > X-OriginalArrivalTime: 24 Mar 2001 06:15:18.0100 (UTC)
>FILETIME=[CC52A140:01C0B429]
> > Subject: [nsp] enquiry on record route
> > Resent-From: cisco-nsp@puck.nether.net
> > X-Mailing-List: <cisco-nsp@puck.nether.net> archive/latest/5845
> > X-Loop: cisco-nsp@puck.nether.net
> > Precedence: list
> > Resent-Sender: cisco-nsp-request@puck.nether.net
> >
> > dear all,
> >
> >
> > could you tell me the use of record route, as i know, it can
>show
> > you both going and returning path for 9 hops. however, when i tried to
> > extended ping my wan link(a.b.c.d) from a.b.c.d, it has 50% packet
>lost,
> > but when i extended ping it with Record route, there is no packet lost,
> > can anybody give me some idea ? thanks
> >
> >
> > eric
> >
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