nanog mailing list archives

Re: GRE packets

From: Michael Dillon <michael () memra com>
Date: Wed, 17 Jun 1998 16:24:27 -0700 (PDT)

On Wed, 17 Jun 1998, Danny McPherson wrote:

Perhaps to combat this, unless I'm missing something, one could justifiably 
deploy GRE filters with source & destination addresses of the exchange 
subnets.


What's the point of this? Wouldn't it make more sense to just run a
sniffer on the exchange fabric looking for such GRE tunnels and then
kick the offending parties out of the exchange? Seems to me this has
happened at least once at LINX.

--
Michael Dillon                 -               Internet & ISP Consulting
Memra Communications Inc.      -               E-mail: michael () memra com
Check the website for my Internet World articles -  http://www.memra.com

Current thread:

GRE packets Eric Germann (Jun 17)
- Re: GRE packets John Hawkinson (Jun 17)
  - Re: GRE packets C. Harald Koch (Jun 18)
- Re: GRE packets Paul G. Donner (Jun 17)
  - Re: GRE packets Eric Germann (Jun 17)
- <Possible follow-ups>
- Re: GRE packets Danny McPherson (Jun 17)
  - Re: GRE packets Paul G. Donner (Jun 17)
  - Re: GRE packets Michael Dillon (Jun 17)
  - Re: GRE packets Alex Bligh (Jun 18)
- Re: GRE packets Sean Donelan (Jun 17)
  - Re: GRE packets Perry E. Metzger (Jun 17)
- Re: GRE packets Sean Donelan (Jun 17)