From: Scott Livingston (scottl@sprinthosting.net)
Date: Wed Dec 18 2002 - 13:03:33 GMT-3
Thank you ALL for clearing this issue up for me!
Scott
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Jason Sinclair
Sent: Tuesday, December 17, 2002 5:59 PM
To: 'Scott Livingston'; ccielab@groupstudy.com
Subject: RE: EBGP Multihop - How many hops?
Scott,
In the case that it does not specify the number of hops, I would leave
it at
the default which is 255. If they do mention a diameter limit then I
would
of course adhere to that. In the real world I would set it to the exact
number of hops away. There is always the potential of your peering
session
coming up over another carriers link if you leave the diameter too
large.
Regards,
Jason Sinclair CCIE #9100
Manager, Network Control Centre
POWERTEL
55 Clarence Street,
SYDNEY NSW 2000
AUSTRALIA
office: + 61 2 8264 3820
mobile: + 61 416 105 858
email: sinclairj@powertel.com.au
-----Original Message-----
From: Scott Livingston [mailto:scottl@sprinthosting.net]
Sent: Wednesday, 18 December 2002 09:42
To: ccielab@groupstudy.com
Subject: RE: EBGP Multihop - How many hops?
Ok, where are my multihop guru's?
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Scott Livingston
Sent: Tuesday, December 17, 2002 11:10 AM
To: ccielab@groupstudy.com
Subject: EBGP Multihop - How many hops?
So what is best practice? What I typically do for my EBGP multihop
customers is set the ttl to 10 if its only 3 or 4 hops; that away if the
primary link dies they don't get black-holed if the redundant route
takes them 5 or 6 hops away from the peer.
In your opinion how should I set this up in the "real world" vs the lab?
If in the lab I am asked to setup multihop, but they don't tell me how
many hops to set the ttl should I set it to 255 or should I set it to
just a little over the NEEDED ttl.
Thank You,
Scott
.
.
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Best Corporate/Wholesale Broadband Initiative, Australian Telecom Awards
2002
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2001
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