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Cisco Bug: CSCus93777 - IOS crash when making config changes while show output is waiting

Last Modified

Feb 13, 2018

Products (88)

  • Cisco IOS
  • Cisco 888W Integrated Services Router
  • Cisco 898 Secure G.SHDSL EFM/ATM with Multi-Mode 4G LTE ISR Router
  • Cisco 886VA-CUBE Integrated Services Router
  • Cisco 812 CiFi Integrated Services Router
  • Cisco VG204XM Analog Voice Gateway
  • Cisco 1905 Serial Integrated Services Router
  • Cisco 2951 Integrated Services Router
  • Cisco 892W Integrated Services Router
  • Cisco C892FSP Integrated Services Router
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Known Affected Releases

15.2(4)M6.1 15.5(1)T

Description (partial)

When two(or more) remote connections are established with the device, with first connection pending user interaction at "more" after executing show ip ospf route and second connection removing the router ospf config, device crashes with corrupt chunk magic and/or free ref count.

Should be applicable to other configs as well, not just ospf. 
More than one remote sessions are established, one session has show ip ospf route pending user, the other remote session removes router ospf
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