BGP Troubleshooting Ticket 1

#networkengineerstuff #bgp
In this video we will focus on BGP Troubleshooting Ticket 1
The eBGP Neighborship between AS 100 & AS 200 is not coming up !
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[@mohammadhassanzadeh6671]

Excellent video. Please make another BGP playlist in English. Thanks.

[@NetworkEngineerStuff]

Thanks ....sure will try to make a playlist in english

[@gauravwadhwa66]

we can also use the command "disabled-connected-check" instead of ebgp mulithop command.

[@kayceeoki9168]

Thanks for the good job. God bless you

[@NetworkEngineerStuff]

So nice of you and thanks for watching amartechstuff

[@RahulSharma-vw8kg]

Great explained.

[@sanjayprima]

It was really very good . keep it up

[@NetworkEngineerStuff]

Thanks for your valueable comment

[@RS-xn9sc]

ebgp is not coming up between ebgp neighbors 1. check state of the peer in output of "show ip bgp" 2. check configuration on both routers "show run | sec bgp" 3. check reachability/ ping peer IP 4. if loopback IP is configured, check if update-source loopback command is configured 5. by default, eBGP should be directly connected i.e in same subnet. if its not, ebgp multihop should be configured "neihbor x.x.x.x ebgp-multihop 255"

[@StarsWars1]

tu insaan nahi, tu dev-maanus hai re baba, thanks bro

[@Pedamkar]

Well explained..thanks Amar 👍

[@SS-xi3lb]

Great video 👍🏼

[@MohammedYousouf19]

Thanks Amar :)

[@RamKumar_e]

Great video. Thanks Amar. One question, if the source IP and eBGP multi hop is the issue, then how did it work for eBGP with R3 and R4 routers. eBGP was up between R1 R3 and R2 R4 but it did not have these configurations, correct? Please let me know if I am missing anything. Thanks.

[@AtillaTheHungLife]

I'm curious about this as well.

[@gauravwadhwa66]

that was done on purpose to let us explain that what could be the possible reasons of ebgp neiborship not coming up

[@ShivamSaxena989]

He used interface network address instead of Loopback for R3 and R4

[@chingchang7757]

Exactly loopback used only in R1 and R2 so multihop is required. @@ShivamSaxena989

[@Annasan10]

he used a physical interface instead of a loopback interface. which is a directly connected interface to form the EBGP neighborship on R1 to R3 and R4 to R2.the main thing is EBGP TCP packets travel 1 hop away only, but IBGP TCP packets travel default 255 hop away.

[@biturbine]

is that english your speaking?