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Why we need to run BGP if...

Why we need to run BGP if i have a one link from ISP?

Created: Jan 9, 2019 10:40:51Latest reply: Jan 16, 2019 09:08:42 553 3 0 0 0
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Hello,

Does anyone know why do we need to run BGP if I have one link from ISP?

Thanks.

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chenhui
Admin Created Jan 9, 2019 10:51:31

@Diaa_Mohamed in fact, it's not necessary to run BGP. commonly, when connect to ISP with singel link, it's better to configure default route which towards to ISP, rather than configuring BGP, because, default route cost less resources than BGP. On the other hand, BGP provides a more flexible way to control the route path than default route and other routing protocol.

Hope to help you!

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chenhui
chenhui Admin Created Jan 9, 2019 10:51:31

@Diaa_Mohamed in fact, it's not necessary to run BGP. commonly, when connect to ISP with singel link, it's better to configure default route which towards to ISP, rather than configuring BGP, because, default route cost less resources than BGP. On the other hand, BGP provides a more flexible way to control the route path than default route and other routing protocol.

Hope to help you!

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chandrapawar
chandrapawar Created Jan 10, 2019 03:26:30

not necassary to use BGP when there is single link.
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Amr_Fayrouz_Elattar
Amr_Fayrouz_Elattar Created Jan 16, 2019 09:08:42

may be customer has 2 links for 2 ISPs and use them for main and backup so that he use bgp but if he has only one link to one ISP it is prefered to use default route to ISP.
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