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Cisco Bug: CSCup55456 - Permanant Traffic drop with P2MP NH1 backup drop

Last Modified

Jul 21, 2018

Products (18)

  • Cisco Network Convergence System 6000 Series Routers
  • Cisco CRS-1 Line Card Chassis (Dual)
  • Cisco CRS-X 8-Slot Single-Shelf System
  • Cisco CRS-1 Line Card Chassis (Multi)
  • Cisco CRS-3 Multishelf System
  • Cisco CRS-1 16-Slot Line Card Chassis
  • Cisco CRS-X Multishelf System
  • Cisco CRS-1 4-Slot Single-Shelf System
  • Cisco IOS XR Software
  • Cisco CRS-1 8-Slot Line Card Chassis
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Known Affected Releases

5.1.3.CE 5.2.1.BASE

Description (partial)

Traffic drops observed in egress LC of TE tunnels with FRR configured; in PSE statistics the drops seen as Nested alternate path found:

CRS-X LC operating in 200G/400G mode;  Hu/TenGig interface in UP/UP state is added to an existing interface bundle, which is in operation and a protected TE tunnel is going across the bundle interface.
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