Method for synchronized BGP and VRRP failover of a network device in a network

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United States of America Patent

PATENT NO 9537756
APP PUB NO 20140362681A1
SERIAL NO

13913537

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Abstract

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A network device which communicates with peers using Border Gateway Protocol (BGP) advertises to one or more peers a first Multi-Exit Discriminator (MED) when all sessions are in ‘established’ state, and a second MED when one or more sessions are in a non-‘established’ state. The second MED is higher than the first MED and higher than the MED advertised by the backup network device, causing peers to prefer the backup device. If the device is also configured for Virtual Router Redundancy Protocol (VRRP), when the device advertises the first MED, virtual routers are transitioned to ‘master’ state, and when the device advertises the second MED, virtual routers are transitioned to ‘backup’ state.

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Patent Owner(s)

Patent OwnerAddress
CHECK POINT SOFTWARE TECHNOLOGIES LTD5 HASOLELIM STREET TEL AVIV 67897

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bahadur, Rahul San Mateo, US 2 80
Nguyen, Tuyen San Ramon, US 26 429

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