Configure BGP -Multihoming with full Auto Failure

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Sep 10th, 2008
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My curent requirement:-

Single Router at our premises - connected to Two ISP with two serial ports.

Looking for auto failure with BGP Multi homing in this scenario.

Do we need Public/Private AS in this requirement at our own permises.

Warm Regards!

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Giuseppe Larosa Wed, 09/10/2008 - 00:50
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Hello Mirza,

if you are an enterprise, depending on your needs a setup using a private AS number and NAT with two pools one from each ISP can be enough.

see the following document

If you need an active/active solution probably you will need your own public AS number and your own address space.

a simple example of BGP multihoming

Hope to help


mirzaakberali Wed, 09/10/2008 - 22:08
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Hello Giuseppe,

Thnaks for the above links! But it did not meet my requirement.


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