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RE: Addressing PE/ CE Links - 2547

  • From: "Thamir M.Al Hammad" <thammad@stc.com.sa>
  • Date: Sat, 21 May 2005 13:51:16 +0300
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Hi Truman,

If they are using private IP addresses, how they can guarantee no
overlap in the addresses between the customers is happened?


Best regards,

Thamir M Alhammad

-----Original Message-----
From: Truman Boyes [mailto:truman@suspicious.org]
Sent: Friday, May 20, 2005 1:37 AM
To: mpls_buchaill@zen.co.uk
Cc: mpls-ops@mplsrc.com
Subject: Re: [MPLS-OPS]: Addressing PE/ CE Links - 2547

On 20/05/2005, at 2:26 AM, MPLS Buchaill wrote:

> Hi Guys,
>
>
>
> There seems to be mixed opinion on what addressing should be 
> applied to PE-CE links for MPLS VPN. I know Jim Guichard 
> highlighted a lot of the common issues in his draft in 2003 but was 
> wondering what practical experience has shown?
>
>
>
> Just wondering what is the general experience and common practice 
> on a large scale, RFC1918, customer or registered?
>
>
>
> D
Many large carriers that I have worked with use private addressing 
for PE-CE links in MPLS VPNs. If the VPN is to provide internet 
connectivity, they will generally number the links with allocated and 
registered address space.

As long as there is communication between the carrier and the 
customer and service recommendations are given, the odds of address 
conflict on various /31 prefixes is quite low.

Truman

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