[76968] in North American Network Operators' Group
RE: IBGP Question --- Router Reflector or iBGP Mesh
daemon@ATHENA.MIT.EDU (Robert Crowe)
Fri Jan 7 18:21:04 2005
Reply-To: <rocrowe@cisco.com>
From: "Robert Crowe" <rocrowe@cisco.com>
To: "'Erik Sundberg'" <sunder@appscorp.net>, <nanog@merit.edu>
Cc: <rocrowe@cisco.com>
Date: Fri, 7 Jan 2005 18:20:32 -0500
In-Reply-To: <IFEFLJEJBOICBMLCIKGKAEEDEFAA.sunder@appscorp.net>
Errors-To: owner-nanog-outgoing@merit.edu
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Erik,
Yes, an iBGP session is possible between A & C. Route Reflectors
main purpose was to reduce the iBGP full mesh requirement, thus
providing for BGP scalability. If you only have 3 BGP speakers then
there is no need, unless you are expecting BGP speaker growth. I
would address the lack of redundancy for your BGP sessions.
- -
*********************************************
Robert Crowe
Network Consulting Engineer
Advanced Services
Cisco Systems, Inc.
7025 Kit Creek Road
P.O. Box 14987
Research Triangle Park, NC 27709
Direct: 919.392.1574
Mobile: 919.323.9972
Fax: 919.392.1574
Pager: 800.365.4578
Epage: rocrowe@epage.cisco.com
Email: rocrowe@cisco.com
AIM: robert w crowe
**********************************************
- -----Original Message-----
From: owner-nanog@merit.edu [mailto:owner-nanog@merit.edu] On Behalf
Of Erik Sundberg
Sent: Friday, January 07, 2005 5:02 PM
To: nanog@merit.edu
Subject: IBGP Question --- Router Reflector or iBGP Mesh
hello,
I have a ibgp question?
There is a Diagram at http://erik.appscorp.net/bgp/
Which Setup is better, the Router Reflector or the ibgp meshed?
What are the positive and negitive to each setup.
Which Setup is commonly used / best pratice / More stable
Diagram at http://erik.appscorp.net/bgp/
Thanks in Advance
Erik
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