bgp
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BGP and BGP Path Attributes
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BGP, which stands for Border Gateway Protocol, is a standardized exterior gateway protocol used in computer networking and the internet to exchange routing and reachability information between autonomous systems (ASes). Autonomous systems are networks or collections of networks that are administered by a single organization and operate under a common […]
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BGP interview questions
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BGP protocol interview questions Q. What is a Local Preference? Q. What is the difference between EBGP and IBGP neighborship ?Q. What transport protocol does BGP use? Q. What is an AS_PATH and what is it used for? Q. How can you use BGP for load balancing traffic outbound? Q. […]
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bgp troubleshooting scenarios
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BGP Troubleshooting Scenario 1- There are some reason router do not establish neighborship with peer- This is very important question for interview also 1) Peer ip address is not reachable. 2) port 179 is blocked by a firewall or access list. 3) BGP configuration is not correct like wrong […]
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BGP Troubleshooting in advanced
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BGP Troubleshooting. Problem: BGP peer is not getting establish between routers. Cause : 1) Peer ip address is not reachable . 2) port 179 is blocked by firewall or access-list. 3) BGP configuration is not correct like wrong peer address local-as or remote-as, wrong AS number, wrong authentication/MD5 password or […]