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Cisco Bug: CSCus67614 - TCP checksum error occurre when traffic passing ISM-VPN module

Last Modified

Jun 17, 2015

Products (96)

  • Cisco IOS
  • Cisco 2951 Integrated Services Router
  • Cisco 819 Hardened Integrated Services Router
  • Cisco C897VA Integrated Services Router
  • Cisco C892FSP Integrated Services Router
  • Cisco 1905 Serial Integrated Services Router
  • Cisco 881SRSTW Integrated Services Router
  • Cisco 861W Integrated Services Router
  • Cisco 898 Secure G.SHDSL EFM/ATM with Multi-Mode 4G LTE ISR Router
  • Cisco 892W Integrated Services Router
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Known Affected Releases

15.4(3)M1

Description (partial)

Symptom:
TCP checksum error detect at end device low probability when traffic passing ISM-VPN module and NAT at same router

Conditions:
Using ISM-VPN module on ISR G2 router.
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Bug Details Include

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  • Status
  • Severity
  • Known Fixed Releases
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