Hate to follow up on my own message, but here goes:
After sending, I ran to google to see if I could find out what this problem was
about.
It seems that JUNOS had a dampening bug at one point where it would doubly
penalize a flap, once at withdraw time, and again at re-advertise time.
The link I turned up that describes the issues is at:
http://www.cctec.com/maillists/nanog/current/msg00140.html
This was from back in December, so I would imagine it's been corrected by now.
----- Original Message -----
From: "W. Alan Robertson" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, February 27, 2001 2:25 PM
Subject: Re: juniper and cisco
> I have resisted the temptation to get involved in this, but since it's already
> being discussed some, I've got a question:
>
> "Net Bum" <[EMAIL PROTECTED]> wrote:
>
> > I had a Cisco 2600 series on my side and I asked him what he had on
> > his side. He said (as if I wouldn't know :-), "A big router, it's a Cisco
> > 12000 series." Then I asked him, "Do you use any Juniper stuff?" He said,
> > "Yes, we use them in our core. They are behind the 12000's."
>
> This is not the first time I've heard this; major ISPs utilizing Juniper in
> parts of their core, but always using Cisco at the edge.
>
> About 6 months ago, I was down at one of Cisco's offices in Florida (Ft.
> Lauderdale), for a 2 day BGP seminar. I caught the guy who was giving the
> seminar out in the hall afterward, and we were talking about a multitude of
> topics, and Juniper came up. He had mostly good things to say about them,
> particularly about their speed (He was a relatively new employee at Cisco...
He
> might not have drank the Kool-Aid yet).
>
> One of the things he did criticize, however, was some kind of problem Juniper
> had with their BGP4 implementation, and he specifically mentioned that Juniper
> was making a dent at the core (understatement perhaps), but that they were
> having a difficult time at the edge as a result of this BGP problem.
>
> I regret, now, not pressing him for more detail, and as I haven't been doing
> anything BGP related, I haven't really taken the time to research this.
>
> Is anyone on the list familiar with a problem with Juniper's BGP
implementation
> when peering with other vendors?
>
> Alan
>
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