The MPLS-OPS Archive

["NOC Ops" <theguber@hotmail.com>]

Because the guy said it was an extraNet!!!



>From: "alok" <alok.dube@apara.com>
>To: "Ridolfi Stefano" <s_ridolfi@yahoo.it>, "sylvia" 
><sylvia_xys@hotmail.com>,   <mpls-ops@mplsrc.com>
>Subject: Re: [MPLS-OPS]: NAT on PE router
>Date: Wed, 18 Dec 2002 21:29:58 +0530
>
>...a client asking for 2 VPNs ...would obviously mean IP addresses overlap.
>
>why 2 VPNs is a better question...... i guess... if u dont mind me asking..
>
>   ----- Original Message -----
>   From: Ridolfi Stefano
>   To: alok ; sylvia ; mpls-ops@mplsrc.com
>   Sent: Wednesday, December 18, 2002 9:14 PM
>   Subject: Re: [MPLS-OPS]: NAT on PE router
>
>
>   Because we have a client whit 2 VPNs and IP address overlapped
>
>
>
>    alok <alok.dube@apara.com> wrote:
>
>     the concept is fine, can u give me a specific application?
>
>     why not simply use public internet IPs for those places we need to 
>NAT?
>
>       ----- Original Message -----
>       From: Ridolfi Stefano
>       To: sylvia ; mpls-ops@mplsrc.com
>       Sent: Tuesday, December 17, 2002 11:38 PM
>       Subject: Re: [MPLS-OPS]: NAT on PE router
>
>
>       In VRF A there aren't  original IP address of B (or C) but the IP
>address cofigured  for NAT in B (or C).
>
>       VRF in B (or C) advertise NOT original IP but only  NAT pool IP
>Address !
>
>
>
>        sylvia <sylvia_xys@hotmail.com> wrote:
>
>         Hi Ridolfi,
>
>         Yes, it is possible that the traffics are only between A-B and 
>A-C.
>But, if B and C have the same IP space, when a terminal in A want to send a
>packet to 10.0.0.2, how can it tells it's the 10.0.0.2 in B or 10.0.0.2 in
>C? It has no idea of VPN.
>
>         Sylvia
>
>           ----- Original Message -----
>           From: Ridolfi Stefano
>           To: sylvia ; mpls-ops@mplsrc.com
>           Sent: Tuesday, December 17, 2002 12:08 PM
>           Subject: Re: [MPLS-OPS]: NAT on PE router
>
>
>           Hi Sylvia,
>
>           for extranet service we have 3 VPNs; VPN A is the central 
>office,
>B and C are 2 branch , and 2 VPNs  whit same IP space; it's possible only
>the traffic A-B, and A-C; In the VRFof VPN A  is not possible to have   the
>same network for VPNs B and C.
>
>           The idea is to use NAT in B or C and to advertise the NAT Pool
>from B or C to A.
>
>           By
>
>
>
>            sylvia <sylvia_xys@hotmail.com> wrote:
>
>             Hi,
>
>             Sorry, what do you mean by "natting IP between 2 VPN"?
>
>             The private IP addresses are seen only inside VPNs. One VPN 
>has
>no any idea about the IP address in the other VPN.
>             For the PE router, it only knows VPN-IPV4 address family.
>
>               ----- Original Message -----
>               From: Ridolfi Stefano
>               To: mpls-ops@mplsrc.com
>               Sent: Tuesday, December 17, 2002 9:21 AM
>               Subject: [MPLS-OPS]: NAT on PE router
>
>
>               Hi all,
>
>               Is it possible to use NAT feature for natting IP between 2 
>VPN
>?
>
>               Any idea about the restriction on cisco site:"Inside VPN to
>VPN with NAT is not supported" ?
>
>
>
>               rgds
>
>
>
>
>
>
>
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