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Cisco Bug: CSCtd35544 - After NSF IETF non-DIS neighbor restart, DIS may fail to send CSNP's

Last Modified

May 15, 2018

Products (1)

  • Cisco Carrier Routing System

Known Affected Releases


Description (partial)


On a IOS XR router running 3.8.1 if ISIS is configured with NSF IETF and a router reload occurs or process restart of ISIS occurs the DIS may fail to send CSNP's which result in routes not getting exchanged.


Issue seen with NSF IETF.
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