![]() The TCP session is now up between the 2 FAIs. The neighbor of neighbor” remote-as “AS number of the neighbor” specifies your neighbor IP address and his AS.Īfter this configuration, you have to see an informational log on your CLI screen as the following: FAI_1# %BGP-5-ADJCHANGE: neighbor 12.0.0.2 UpįAI_2# %BGP-5-ADJCHANGE: neighbor 12.0.0.1 Up ![]() This is how we configure basic EBGP, start with the router bgp “AS number” command to enable the BGP process. Let’s start the configuration: FAI_1(config)#router bgp 1įAI_1(config-router)#neighbor 12.0.0.2 remote-as 2įAI_2(config-router)#neighbor 12.0.0.1 remote-as 1 We are supposing that all the interfaces are configured, and the networks 10.0.0.1/24 and 20.0.0.1/24 are in our case loopback interfaces. In this article, we will see how to configure External BGP between 2 Autonomous systems and how to advertise some networks.įor this, we will use the following topology:įAI1 and FAI2 are in different Autonomous systems, so they have to use EBGP to connect and advertise routes to each other. ![]()
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