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Cisco Bug: CSCvt21373 - unexpected reload in CPP ucode forced by nat 514 .

Last Modified

Sep 10, 2020

Products (14)

  • Cisco IOS
  • Cisco 4221 Integrated Services Router
  • Cisco ASR 1000 Series IOS XE SD-WAN
  • Cisco 4321 Integrated Services Router
  • Cisco ASR 1002-X Router
  • Cisco 4331 Integrated Services Router
  • Cisco ASR 1001-X Router
  • Cisco 4351 Integrated Services Router
  • Cisco ASR 1002-HX Router
  • Cisco ISR 4000 Series IOS XE SD-WAN
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Known Affected Releases

16.9.3

Description (partial)

Symptom:
Device (isr 4k) reloaded twice because of nat when there is a packet being translated and going to port 514

Conditions:
1) RCMD (remote shell) ALG is used.
2) The writeback port by ALG has more digits than the  original port.
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Bug Details Include

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  • Status
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  • Known Fixed Releases
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