, March 17, 2002 8:35 PM
To: [EMAIL PROTECTED]
Subject: Re: IGP's in ISP [7:38614]
ISP's typically run one of IS-IS, or OSPF as their IGP's and manage only
link and loopback address space within it. IBGP is always fully meshed,
although most use tools like Route Reflection and Confederations to avoid
Original Message-
From: Jeffrey Reed [mailto:[EMAIL PROTECTED]]
Sent: Monday, March 18, 2002 7:22 AM
To: [EMAIL PROTECTED]
Subject: RE: IGP's in ISP [7:38614]
Is it a good assumption that most ISP's, big small run Cisco routers in
their core networks? If so, why don't they use EIGRP?
routing protocol?
Jeffrey Reed
Classic Networking, Inc.
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of Peter
van Oene
Sent: Sunday, March 17, 2002 8:35 PM
To: [EMAIL PROTECTED]
Subject: Re: IGP's in ISP [7:38614]
ISP's typically run one
ISIS
Daniel Ladrach
CCNA, CCNP
WorldCom
-Original Message-
From: Steven A. Ridder [mailto:[EMAIL PROTECTED]]
Sent: Monday, March 18, 2002 9:07 AM
To: [EMAIL PROTECTED]
Subject: Re: IGP's in ISP [7:38614]
Do you have an IGP?
--
RFC 1149 Compliant.
Get in my head:
http://sar.dynu.com
: Monday, March 18, 2002 7:22 AM
To: [EMAIL PROTECTED]
Subject: RE: IGP's in ISP [7:38614]
Is it a good assumption that most ISP's, big small run Cisco routers in
their core networks? If so, why don't they use EIGRP? I've run into so many
Cisco routers guys in corporations who threaten holy
When I used to work at UUNET (now Worldcom) they used ISIS as their IGP.
Here at BT, OSPF is used.
-Original Message-
From: Ladrach, Daniel E. [mailto:[EMAIL PROTECTED]]
Sent: Monday, March 18, 2002 14:00
To: [EMAIL PROTECTED]
Subject: RE: IGP's in ISP [7:38614]
On our backbone we use
On our backbone we use Juniper routers. Also, we do not run OSPF either.
Daniel Ladrach
CCNA, CCNP
WorldCom
-Original Message-
From: Jeffrey Reed [mailto:[EMAIL PROTECTED]]
Sent: Monday, March 18, 2002 7:22 AM
To: [EMAIL PROTECTED]
Subject: RE: IGP's in ISP [7:38614]
Is i
ROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
Peter
van Oene
Sent: Sunday, March 17, 2002 8:35 PM
To: [EMAIL PROTECTED]
Subject: Re: IGP's in ISP [7:38614]
ISP's typically run one of IS-IS, or OSPF as their IGP's and manage only
link and loopback address space within it. IBGP is always full
o:[EMAIL PROTECTED]]On Behalf Of
Peter
van Oene
Sent: Sunday, March 17, 2002 8:35 PM
To: [EMAIL PROTECTED]
Subject: Re: IGP's in ISP [7:38614]
ISP's typically run one of IS-IS, or OSPF as their IGP's and manage only
link and loopback address space within it. IBGP is always fully meshed,
although
o, we do not run OSPF either.
Daniel Ladrach
CCNA, CCNP
WorldCom
-Original Message-
From: Jeffrey Reed [mailto:[EMAIL PROTECTED]]
Sent: Monday, March 18, 2002 7:22 AM
To: [EMAIL PROTECTED]
Subject: RE: IGP's in ISP [7:38614]
Is it a good assumption that most ISP's, bi
ISP's typically run one of IS-IS, or OSPF as their IGP's and manage only
link and loopback address space within it. IBGP is always fully meshed,
although most use tools like Route Reflection and Confederations to avoid
the n*(n-1)/2 scaling issues IBGP can present. Synchronization is an
Well now, wouldn't that be interesting - an ISP that didn't run an IGP
Hmmm. In fact, no less an authority than Radia Perlman has touted the
merits of a single unified routing protocol that could be used for both
intra- and inter-domain routing. For those who don't know who she is, Ms.
Really should read my own posts before I send them sometimes. I meant to
say one of either maximize convergence speed, or minimize convergence time,
but really said neither :)
At 08:34 PM 3/17/2002 -0500, Peter van Oene wrote:
ISP's typically run one of IS-IS, or OSPF as their IGP's and
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