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4- eBGP
4.1 eBGP Overview And Basic Configuration
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4.1 eBGP Overview And Basic Configuration
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BGP
• Border Gateway Protocol
• Exterior gateway protocol designed to
exchange routing and reachability
information among autonomous systems
(AS) on the Internet
• Port number : 179
• eBGP : Used between different AS
iBGP : Used in same AS
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• To get our CCNA 200-125 Full Video Training with %90 discount
click the link below now !
CCNA 200-125 VIDEO TRAINING (GET WITH %90 DISCOUNT)
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BGP OPTIONS
• Default Route Only : ISPs advertise a default route to customer
• Default Route & ISP Routes : ISPs advertise a default route and
their own networks to customer
• All Internet Routes : ISPs advertise all internet routes to
customers so that customer can make the best choice but this
requires a huge resource
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eBGP
• Used to Exchange routes between routers which are in diferent
Autonomous System
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BASIC eBGP CONFIGURATION
CUSTOMEReBGP
AS 65003 AS 65004
201.23.11.0/24 Gig 0/1
Gig 0/1
ISP
198.176.21.1/30 198.176.21.2/30Gig 0/0 Gig 0/0
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VERIFYING eBGP CONFIGURATION
CUSTOMEReBGP
AS 65003 AS 65004
201.23.11.0/24 Gig 0/1
Gig 0/1
ISP
198.176.21.1/30 198.176.21.2/30Gig 0/0 Gig 0/0
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VERIFYING eBGP CONFIGURATION
CUSTOMEReBGP
AS 65003 AS 65004
201.23.11.0/24 Gig 0/1
Gig 0/1
ISP
198.176.21.1/30 198.176.21.2/30Gig 0/0 Gig 0/0
Copyright © www.networkel.com
BONUS SLIDE ( PROMOTION OFFER! )
• To get our CCNA 200-125 Full Video Training with %90 discount
click the link below now !
CCNA 200-125 VIDEO TRAINING (GET WITH %90 DISCOUNT)
Copyright © www.networkel.com
VERIFYING eBGP CONFIGURATION
CUSTOMEReBGP
AS 65003 AS 65004
201.23.11.0/24 Gig 0/1
Gig 0/1
ISP
198.176.21.1/30 198.176.21.2/30Gig 0/0 Gig 0/0
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