11-03-2015 12:13 PM
Improved uptime and faster recovery from outages is often touted as a benefit of MPLS but how is that possible when it depends on the underlying IGP to know what the best route is?
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11-03-2015 12:21 PM
To answer your question in short, Faster recovery or failover in MPLS is achieved using MPLS Traffic Engineering using which there is already a backup path signalled so that if the primary link / node fails, the devices know where to route the traffic using that backup signalled path.
http://www.cisco.com/c/en/us/td/docs/ios/12_0s/feature/guide/TE_1208S.html
using MPLS TE Fast Reroute feature, failover in about 50ms can be achieved.
Hope this helps
Regards
Vinit
11-03-2015 12:21 PM
To answer your question in short, Faster recovery or failover in MPLS is achieved using MPLS Traffic Engineering using which there is already a backup path signalled so that if the primary link / node fails, the devices know where to route the traffic using that backup signalled path.
http://www.cisco.com/c/en/us/td/docs/ios/12_0s/feature/guide/TE_1208S.html
using MPLS TE Fast Reroute feature, failover in about 50ms can be achieved.
Hope this helps
Regards
Vinit
11-03-2015 12:31 PM
It does, thanks.
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