bgp
BGP Conditional Route Injection
We have recently posted the BGP Route Aggregation eBook that discusses the benefits of route aggregation and explains the various optional parameters associated with...
BGP Route Dampening: obsolete or still used in the industry?
The unstable route whose availability alters repeatedly is called a flap. When flaps occur, fexcessive number of BGP UPDATE messages are sent to BGP...
BGP Attribute Filtering and Error Handling
The BGP Attribute Filter feature enables BGP speakers to take a certain action based on the presence of a specified path attribute inside the...
BGP Optimal Route Reflection as an alternative to BGP Add Path
Full iBGP Mesh and Route Reflection
To avoid loops in a Full iBGP Mesh, BGP routers are only allowed to learn prefixes over iBGP from...
Network Address Translation (NAT) and BGP Explained
Network Address Translation (NAT) was originally described in RFC 1631. Although initially presented as a short term solution for preventing the IPv4 addresses depletion,...
Advertising Multiple Paths in BGP (BGP-Addpath)
The BGP advertisement of a prefix with new attributes replaces the previous announcement of that prefix. This behavior is known as an Implicit Withdraw,...
BGP and Traffic Engineering Mechanisms for WISPs
In this blog post, we will take a look at Kevin Myers's presentation where he discusses deployment of both OSPF and BGP routing protocols...
Bit Indexed Explicit Replication and the BGP Extensions for BIER
In this article we’ll take a look at the architecture for multicast forwarding called the Bit Indexed Explicit Replication or simply BIER. However, we’ll...
BGP/MPLS Layer 3 VPNs Practical Configuration
In our previous blog article we’ve discussed the benefits and the fundamental principles of BGP/MPLS L3 VPNs. We have covered the definition of the...
BGP / MPLS Layer 3 VPNs
What is VPN?
Virtual Private Networks (VPN) are designed to provide users with the private networks capabilities over a shared infrastructure. They connect remote sites...
