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Cisco Bug: CSCup07633 - RP Crash during session roam via DHCP roam on same tunnel/vlan

Last Modified

Jan 31, 2017

Products (25)

  • Cisco IOS
  • Cisco ASR 901-6CZ-FS-D Router
  • Cisco ASR 901-6CZ-F-D Router
  • Cisco ME 3600X-24TS-M Switch
  • Cisco ASR 901-4C-FT-D Router
  • Cisco ASR 901S-4SG-F-D Router
  • Cisco ASR 901-6CZ-F-A Router
  • Cisco ASR 901S-2SG-F-AH Router
  • Cisco ASR 901S-2SG-F-D Router
  • Cisco ASR 901-6CZ-FT-A Router
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Known Affected Releases

15.4(3)S

Description (partial)

Symptom:
RP Crash @ High Scale Roaming within the same tunnel interface/different CPE

Conditions:
Only seen @ High Scale, when there are at least 55k Authenticated Sessions established on the same tunnel interface.

When we try to roam 8k Sessions at 40 CPS (Acceptable Bring Up Rate), to another CPE, but same tunnel. Tunnel Component Crash is seen.
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Bug Details Include

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  • Status
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