Tag Archives: Loopback

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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ip-routing: static routes to an interface instead of next-hop-addresses

Hi! Today I will have a look to a phenomenon that some people of you might already have experienced but werent able to explain it why it works. Its the feature proxy arp that comes into play when you have … Continue reading

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rip: seperate ways to inject a default-route

Hi! Right now I am going to lab up default-routing with RIP. By the way…NO this post has nothing to do with the song “seperate ways” by “moby” :)…although its a very good song. I am going to show which … Continue reading

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ebgp multipathing with underlying igp load-balancing

Hi! Today I will spend a little time with a scenario where we are simulating the connection to a service provider and peer with it via eBGP. One special thing here is that we will have some high availability and … Continue reading

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Advanced RIP configuration

Today I wll begin with labbing and blogging my lab experiences. The reason for that is, that i want to document my own experiences and get the “i did this once on a lab”-effect to review things I will forget. … Continue reading

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