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Cisco Bug: CSCup94254 - ASR 1K QOS should be possible at crypto entry - pre-encryption

Last Modified

May 06, 2020

Products (13)

  • Cisco IOS
  • Cisco 7301 Router
  • Cisco 7206 Router
  • Cisco ME 3600X-24TS-M Switch
  • Cisco 7204 Router
  • Cisco 7206VXR Router
  • Cisco 7202 Router
  • Cisco ME 3600X-24CX-M Switch
  • Cisco ME 3600X-24FS-M Switch
  • Cisco 7200 Series NPE-G2 Network Processing Engine
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Known Affected Releases


Description (partial)

IPSEC Anti-replay feature conflicts with QOS. With QOS applied to encrypted traffic the receiving spoke drops packets due to receiving packets out of order and out of anti-replay window.

- DMVPN with per tunnel QOS.
- Any VPN with QOS applied to the outside interface.
- Anti-replay enabled on the peers.
- QOS queuing ESP packets.
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  • Status
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