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Community Member

mpls lab setup

Hi all, is it possible for me to connect 2 routers back to back and setup mpls, is this easy to do ?

5 REPLIES
Community Member

Re: mpls lab setup

can this be done?

Cisco Employee

Re: mpls lab setup

Carl,

You can depending on whether the routers support MPLS or not. The other thing to bear in mind is that the traffic will not be label switched unless you have a service label As the two routers are directly connected, the ingress LSR also becomes your penultimate hop router and will not push the IGP label in the packets.

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
Community Member

Re: mpls lab setup

do you need to use a routing protocol for mpls, can you use an IGP, or does it need to be an EGP ?

Cisco Employee

Re: mpls lab setup

Carl,

Strictly for MPLS, you could use any IGP or even static routes. For MPLS VPN, you will need to configure mBGP between the two PEs to exchange VPNv4 updates, which contains the service labels by the way.

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
Community Member

Re: mpls lab setup

how many routers do I need to configure MPLS lab, has anyone got a sample config, and also, why should I use mpls ?

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