BGP Explained in Tamil || BGP overview, Messages & States in Tamil || CCNA Tamil

This video contains the Discussion about BGP routing protocol in Tamil.
BGP : Border Gateway Protocol
BGP is a Exterior Gateway Protocol that is used to share the route information between different Autonomous system.
Designed for huge inter-network like Internet.
Updates are incremental and trigger
Path Vector Protocol
It is application layer protocol uses port 179 TCP
It sends update to the manually defined neighbor as unicast
Metrics - Attributes (Many)
AD - 20External and 200 IBGP
Loop prevention mechanism
Slowest routing protocol in the world
Message Types
================
Open
used to initiate a BGP session between 2 routers.
includes :
BGP version
Sender AS number
Hold Time (Cisco default 180 seconds)
BGP identifier
optional parameter
If want to reject the BGP open, then Notification message will be sent.
Keepalive
I am still alive, lets keep this BGP session open.
it will be sent one-third the "hold time", cisco default every 60 seconds.
update
If any new route added and existing route deleted.
Path Attributes
notification
Terminate or rejects a BGP connection.
Can include error message (" BGP version not supported")
BGP States:
===============
Idle
BGP process just started up or BGP error just occured
Connect
Intiated TCP socket to neighbor
Active
Repeatedly attempting TCP handshake to connect to neighbor
Open sent
TCP socket established, sent open message
Open Confirm
Received reply open back
Established
We have received a keepalive or update and are exchanging the data

[@msasi84]

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[@sulthanbatcha5990]

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[@naveenbose1171]

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[@ArunKumar-fg6lm]

Excellent !! Thank you so much for your effort and time

[@GPMTechTrain]

Thank you for your valuable feedback brother

[@praveendhavamani9678]

Tnk u so much for your video .it's very easy to learn...

[@dineshkumar.m7958]

Hi bro thanks for your great effort..

[@GPMTechTrain]

Its my pleasure

[@hosannaqueen]

Sooper nice...

[@kalakkalvid9935]

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[@prabudeivasikamani9650]

Superp... keep it up !

[@robinlorance]

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[@limitlessdot491]

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[@VigneshViki11]

good explanation keep going

[@vishwarts8927]

Thank you sir ❤️

[@HSHSUAHZYWHWJJS]

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[@hariprasadn9789]

Tnq sir

[@GPMTechTrain]

Its my pleasure brother

[@HSHSUAHZYWHWJJS]

🥰

[@giriprasanths192]

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