Tag Archives: Multiprotocol Label Switching

mpls: layer3-vpns, pe-ce routing protocol – ospf

Hello everyone! Right now I am going to show how to use OSPF as a PE-CE routing protocol when using MPLS VPNs. Here is our topology (same topology like with the other protocols used): Given: – a small MPLS backbone … Continue reading

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mpls: layer3-vpns, pe-ce routing protocol – eigrp

Hello everyone! Right now I am going to show how to use EIGRP as a PE-CE routing protocol when using MPLS VPNs. Here is our topology (same topology like with the other protocols used): Given: – a small MPLS backbone … Continue reading

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mpls: layer3-vpns, pe-ce routing protocol – rip

Hello everyone! Today I am going to show how to use a variety of routing protocols to be used as PE-CE routing protocol when you are connected to a MPLS VPN service provider or when you act as a provider. … Continue reading

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mpls: ospf sham link – why? and howto!

Hello everybody. Today I decided to write a post about OSPF SHAM LINK which is used in MPLS networks. Before giving a short explanation for what the sham link is used I will show you the topology as its a … Continue reading

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mpls: ldp neighbor relationship with md5 password authentication – part 1

Hi everybody! Today a simple but sometimes time consuming topic, when it comes to troubleshooting. MPLS LDP neighbor relationships with password authentication. So we have quite a simple topology. Lets only use two neighboring routers because usually LDP is only … Continue reading

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mpls: pseudowire emulation / any tansport over mpls – interconnecting sites via layer 2 – (part 2)

Hi again! Now its time for part 2 of the MPLS Layer 2 interconection between two sites. Challenge: – interconnect two sites via PEM but without an MPLS enabled service provider network Preconfigured & given: – topology of Part 1 … Continue reading

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mpls: pseudowire emulation / any tansport over mpls – interconnecting sites via layer 2 – (part 1)

Hi everybody! Today I am going to introduce a new challenge that takes care of MPLS and pseudowire emulation. Challenge: – connect two sites via a MPLS VPN Backbone at layer 2 Given: – a “SP” network without MPLS capabilities … Continue reading

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