Hi Roman,
Most ISPs would use BGP and typically it would look like this:
ISP-----iBGP_AS100-----ISP | | | | eBGP eBGP | | | | CSR--iBGP_AS65532--CSR Regards, Fadi
On Fri, Nov 2, 2012 at 9:56 AM, Roman Hochuli roman.hochuli@nexellent.chwrote:
Hey All
Quick question: do you allow/run routing protocols between your (isp-) network and your customer? If so: which protocols? If not: what reasons do you tell the customer?
In particular I am interested to know about setups when they want to announce the prefix/subnet you assigned them from your PA-space back to you because they want to run redundant routers.
The setup would probably look like this:
Customer Subnet 10.0.0.0/27 / \ | |[customer router a] - <routing protocol x> - [customer router b] | | <routing protocol y> <routing protocol y> | | [isp router a] - <routing protocol z> - [isp router b] | | \ / ISP Network 10.0.0.0/8
-- Best regards, Roman Hochuli Operations Manager
nexellent ag Saegereistrasse 33 CH-8152 Glattbrugg
Phone: +41 44 872 20 00 Fax: +41 44 872 20 01 URL: www.nexellent.ch X-NCC-RegID: ch.nexellent
Imagination is the one weapon in the war against reality. -- Jules de Gaultier
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