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Category Archives: MPLS
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
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
Posted in MPLS, Routing
Tagged Border Gateway Protocol, eigrp, eigrpo, Enhanced Interior Gateway Routing Protocol, layer 3 vpn, ldp, MPLS, mpls ip, mpls ldp, mpls vpn, Multiprotocol Label Switching, mutual, Open Shortest Path First, PE router, pe-ce, redistribution, Router, Virtual private network, Virtual Routing and Forwarding, vpn
1 Comment
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
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
Posted in MPLS
Tagged bgp, Border Gateway Protocol, Internet service provider, IP address, ldp, MP BGP, MPLS, mpls ip, mpls ldp, Multiprotocol Label Switching, mutual redistribution, Open Shortest Path First, PE router, redistribution, Router, sham, sham link, shamlink, Virtual Routing and Forwarding
18 Comments
mpls: ldp neighbor relationship with md5 password authentication – part 2
Hi again and welcome to the second part of the LDP authentication section. This time we will configure some errors to have a look on the he behaviour of the routers and what we can do to troubleshoot it.behaviour of … Continue reading
Posted in MPLS, Uncategorized
Tagged Authentication, Cisco, GNS3, ldp, ldp password, md5, MPLS, Password, troubleshooting, tshoot
2 Comments
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
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
mpls: simple and advanced inter-vrf routing/leaking
Hello everybody! Today I will spend some time in demonstrating how to route between separate VRF instances on a local router. Special prerequisites: – Understanding of VRF lite Topology: Our topology exists of three routers. Quite simple for the beginning … Continue reading
Posted in MPLS, Uncategorized
Tagged bgp, Border Gateway Protocol, Enhanced Interior Gateway Routing Protocol, Fast Ethernet, Gateway, IP address, IS-IS, leaking, MP BGP, MPBGP, MPLS, mpls vpn, Open Shortest Path First, route-import, route-leaking, route-target export, Static routing, vrf, vrf lite
8 Comments
