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Cisco Bug: CSCtd74935 - Excess traffic loss on tunnel reoptimization with VPLS make before break

Last Modified

Feb 05, 2017

Products (1)

  • Cisco 7600 Series Routers

Known Affected Releases


Description (partial)

In a make before break scenario for VPLS, traffic loss of 100-200 msec was observed on TE tunnel

The problem was observed on a c7600 router.  The core facing line card were ES20-10GE.  The 
preferred path and alternate path were on two different ES20-10GE cards.  In a make before break scenario,
traffic loss of 100-200 msec was seen on TE tunnel reoptimization when the traffic was switched
back to the preferred path.
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