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MPLS TE per VPN

Hi,

I am working about MPLS TE. The MPLS TE book's say that is not a good idea to configure TE tunnel per VPN. Do you know otherwise if it's possible? How to forward VPN 1 flow (VRF_1) in one tunnel and VPN 2 in another tunnel ? Do you have an idea? For me, it's seems not possible via static or autoroute because the next-hop (Loopback for the remote PE) remain the same for all VPN.

Thanks for helping me.

1 ACCEPTED SOLUTION

Accepted Solutions
Cisco Employee

Re: MPLS TE per VPN

Guillaume,

You can actually change the BGP next hop you receive from the remote PE for each VPN by using the following command:

ip vrf test

bgp next-hop

This way you can statically point each next hop to a different tunnel thus leading to a different tunnel for each VPN.

Regards

Harold Ritter
Sr. Technical Leader
CCIE 4168 (R&S, SP)
harold@cisco.com
México móvil: +52 1 55 8312 4915
Cisco México
Paseo de la Reforma 222
Piso 19
Cuauhtémoc, Juárez
Ciudad de México, 06600
México
3 REPLIES
Cisco Employee

Re: MPLS TE per VPN

Guillaume,

You can actually change the BGP next hop you receive from the remote PE for each VPN by using the following command:

ip vrf test

bgp next-hop

This way you can statically point each next hop to a different tunnel thus leading to a different tunnel for each VPN.

Regards

Harold Ritter
Sr. Technical Leader
CCIE 4168 (R&S, SP)
harold@cisco.com
México móvil: +52 1 55 8312 4915
Cisco México
Paseo de la Reforma 222
Piso 19
Cuauhtémoc, Juárez
Ciudad de México, 06600
México
Cisco Employee

Re: MPLS TE per VPN

Forgot to mention that the BGP next-hop command would be configured under the VRF context on the remote PE.

Regards

Harold Ritter
Sr. Technical Leader
CCIE 4168 (R&S, SP)
harold@cisco.com
México móvil: +52 1 55 8312 4915
Cisco México
Paseo de la Reforma 222
Piso 19
Cuauhtémoc, Juárez
Ciudad de México, 06600
México

Re: MPLS TE per VPN

Thanks,

It remains just to configure the recursive routing to the next-hop. Forward the trafic down the tunnel (1 static route for each tunnel to Lo)

Guillaume

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