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What is the difference between BGP (Border Gateway Protocol) and IGP (Interior Gateway Protocol) ?

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تم إضافة السؤال من قبل Saqib Mehmood , Technical Team Lead/Safety Supervisor , Xchange Technology Group
تاريخ النشر: 2013/11/22
Khaled Omar
من قبل Khaled Omar , Senior Service Delivery Engineer , Dell Technologies

BGP is the only Exterior Gateway Protocol (EGP) and it is used to route traffic between networks with different Autonomous System Number (ASN).

 

IGPs are (RIP-1&2, OSPF or EIGRP) and they are used to route taffic between networks with the same ASN, this is the major difference.

Khandakar Ashfaqur Rahman
من قبل Khandakar Ashfaqur Rahman , Head Of Network , Smart Network Ltd

Well there are2 kinds of protocol:

 

a. Exterior gateway Protol (EGP): It was used in early1990

b. Interior Gateway Protol (IGP): It works inside an Autonomous System (ASN)

 

Currently EGP is not available.Instead of EGP there is a new protocol taken place called eBGP.Many people think BGP is an EGP.But really it is not.eBGP is the successor of EGP

 

There are two kinds of BGP:

 

a. eBGP:

b. iBGP

 

eBGP is now only one protocol that works between two different ASN,

 

There are other protocols like RIP,EIGRP,OSPF.iBGP are IGP because they work inside an ASN.

mohammed akram
من قبل mohammed akram , Network Enginee , Digital Oasis Information Technology company

BGP(border gateway protocol)it is used between the autonomous system(as) where as igp (interior gateway protocol)are used within the as(autonomous system)

IGP protocols are (rip1,rip2,eigrp,ospf)

Muhammad shoaib
من قبل Muhammad shoaib , Network support engineer , PTCL

BGP exchange routes between different AS numbers while IGP exchange routes with in the same AS number

ashraf elsabakhawy
من قبل ashraf elsabakhawy , Technical Support call center , Xceed

routers shouls use IGP such as OSPF and EIGRP to communicate with other routers in the same autonomous system and use BGP to  communicate with other routers outside the border the  autonomous system.

MOHD YASIR
من قبل MOHD YASIR , Solution Architect Support , Tech Mahindra ltd

igp(interior gateway protocole):- it's using with in same autonomous synchronous no

exam:  rip,eigrp,ospf

EGP(exterior routing protocole)

it's use between autonomous synchronous no

exam :bgp(border gateway protocole

Sajjad Haider Abbasi
من قبل Sajjad Haider Abbasi , Sr. Manager NOC & Support , Global Connect Synergy

I think there is a mistake in the question. It should be like difference between IGP (Interior Gateway Protocol ) and EGP (Exterior Gateway Protocol). 

 

IGP is used in a single administration domain (i.e. in single AS). Examples of IGP are RIP, IGRP, EIGRP & OSPF.

 

IGP has2 categories. Distance Vector (Hop Count, RIP is the example) Other is Link State (It checks the health of link in order to choose the path, OSPF is the example).

 

EGP is used between AS to AS. Example of EGP is BGP.

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