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.ch> wrote:
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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