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Cisco Bug: CSCsz74623 - frfab freeQ depletion in the 608 byte pool

Last Modified

Feb 04, 2017

Products (6)

  • Cisco 12000 Series Routers
  • Cisco IOS XR Software
  • Cisco XR 12410 Router
  • Cisco XR 12416 Router
  • Cisco XR 12404 Router
  • Cisco XR 12406 Router

Known Affected Releases


Description (partial)

 An Engine 5 Line Card used on a c12000 system running IOS-XR
 may leak fromFabric buffers and the LC will stop forwarding
 packets and/or reload.
 The 608 byte pool is the most requently affected pool, but 
 the problem may also affect othe pools.
 This occurs only if one of the interfaces does attach an egress service policy
 with the "account nolayer2" CLI option.
 The leak is triggered by locally sourced traffic, and hence is usually slow.
 Only the protocols making use of an IPv4 multicast address like OSPF, NTP,
 PIM, VRRP, ... will trigger this problem.
 The leaked resources are freed after LC reload, OIR, ...
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Bug Details Include

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  • Status
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