Questions tagged [l3vpn]

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3 votes
2 answers
114 views

what is meaning of MPLS when compared to SD-WAN? is it dedicated MPLS or MPLS VPNs

SD-WAN is always compared with MPLS, but it is not clear to me what is the meaning of MPLS in this context. My ambiguity is between these cases. MPLS VPN services provided and managed by operators ...
0 votes
1 answer
41 views

L3VPN route distinguisher uniqueness

As RD is part of VPNv4 (A.K.A - IPv4 VPN) NLRI and is exchanged between PE routers participating in a L3VPN service. Should RD value be unique only within a given PE router or should it be unique ...
  • 1,498
0 votes
1 answer
749 views

Struggling with interVLAN routing + multiple VPNs + default routes on multi-layer switch

I have a fairly simply setup, using a PCEngines firewall running OPNSense and an EdgeCore ECS4620-28P L3 switch. The EdgeCore is doing InterVLAN routing and that works just fine, but I cannot get ...
  • 103
0 votes
1 answer
51 views

Why do we need a Route Distinguisher in VPNv4 routes if there is already a VPN label?

I know the explanation about the usage of RD, that it makes routes from different VRFs globally unique. AFAIK, a VPN route is composed of [RD] + [VPN label] + [Prefix] Isn't the VPN label, that is ...
  • 1,498
0 votes
2 answers
76 views

What are the benefits of using a transport label in L3VPN?

If not utilizing any form of TE (Traffic Engineering), are there any benefits of using a transport label in L3VPN - instead of just using a simple IPinIP tunnel? e.g. if traffic is egressing PE1 with ...
  • 1,498