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Post for: #BGP (6 Posts)

Carrier Supporting Carrier (CSC) MPLS L3VPN

viktor
BGP Cisco CSC L3VPN MPLS Networking

After going through inter-AS Option A, B and C, this time we take a look at the CSC implementation. This is very similar to the…

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Implementing High Availability with Bidirectional Forwarding Detection (BFD)

viktor
BFD BGP Cisco Networking

How can a router detect when a BGP neighbor, or just any kind of IGP neighbor device goes down? If the two devices are directly,…

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BGP on IOS-XR: Route Policy Language (RPL)

viktor
BGP Cisco GNS3 IOS-XR Networking

I've been learning BGP on IOS-XR recently. Configuring inbound or outbound BGP policies on IOS-XR is quite different than on IOS-XE or regular IOS. On…

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BGP Route Reflector Design Options (Part 2): Hierarchical 2-tier Route Reflectors, MCIDs

viktor
BGP Cisco Networking

The issue of the previous Route Reflector (RR) design is that it is not protected from a single point of failure: if a RR goes…

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BGP Route Reflector Design Options (Part 1): Inter-Cluster Peerings

viktor
BGP Cisco Networking

If we have many iBGP routers within an AS, to solve the scalability issue of the full-mesh requirement we can deploy one (or more) iBGP…

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Implementing VPLS part 2: BGP Autodiscovery

viktor
BGP Cisco L2VPN MPLS Networking

In the previous post about VPLS implementation we configured the remote PEs manually under the VFI, like this: This solution is not scalable if the…

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