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BGP Always compare MED
Scenario: You are the senior networking engineer working for a huge comic book provider. Your network (AS 100) is connected to 2 different service providers and normally all traffic is being sent to your main ISP which is…
Read More »BGP Regular Expressions
Scenario: As a trainee you are starting your network career at a big service provider. One of your tasks in the future will be to configure BGP connecting multiple AS’es to the service provider network. However you are…
Read More »BGP Backdoor
Scenario: As a professional poker player you have won the WSOP (World Series of Poker) and now your financial problems are over you decide to start your own online poker room. The bluffing is over it’s time to…
Read More »BGP Disable Connected Check
Scenario: You are a big poker fan and also a master in networking. Your favorite online poker room has been experiencing connection problems and you decided to help them out. They added another link to the service provider…
Read More »BGP Next hop self
Scenario: As a junior networking engineer you were always fascinated with science fiction movies, that’s why you are now working at a company specialized in special effects. The closest you got to light speed was sending bits and…
Read More »BGP EBGP Multihop
Scenario: You are the junior network engineer for the biggest company in the world selling Arcade Games. You need to establish a BGP link with the service provider, in the future they will add another physical link for…
Read More »BGP Update Source
Scenario: As the senior network engineer of a international fruit-selling company you need to configure IBGP within the network. Since your manager wants no SPOF (single point of failure) you decide to add another link between the routers,…
Read More »BGP Advanced
Scenario: You have been working for a service provider called “FreedomBits” for quite some time and you have been responsible for the operation of all IGP’s. Your BGP expert/colleague has won the X-factor competition and decided to start…
Read More »BGP Route Reflectors
Scenario: Company Veggie inc. is growing rapidly and the network needs to support the growing company. More routers are added every week and network engineers are complaining it takes too much time to setup BGP. Especially typing in…
Read More »BGP IBGP/EBGP Local Preference MED
Scenario: You are working for a company specialized in selling vegetables and fruit and responsible for the whole network. To reduce the risk of losing the connection to the Internet you decided to get another link to your…
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