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Cisco Bug: CSCur12074 - Some banner motd delimiters may cause admin vdc migration to hang

Last Modified

Feb 15, 2018

Products (8)

  • Cisco Nexus 7000 Series Switches
  • Cisco Nexus 7000 10-Slot Switch
  • Cisco Nexus 7000 4-Slot Switch
  • Cisco Nexus 7700 6-Slot Switch
  • Cisco Nexus 7000 18-Slot Switch
  • Cisco Nexus 7700 18-Slot Switch
  • Cisco Nexus 7000 9-Slot Switch
  • Cisco Nexus 7700 10-Slot Switch

Known Affected Releases

6.1(1) 6.1(2) 6.1(3) 6.1(4a) 6.1(5)S17 6.2(2) 6.2(6)S23 6.2(8)

Description (partial)

Symptom:
Current CLI session hangs, to get back CLI, either need to power cycle or need to reload the router by telnet to the mgmt ip.

Conditions:
This happens only with "system admin-vdc migrate xxx" when user has banner motd configurations with metacharacters as delimiter. Note not all metacharacters cause this issue. The following characters are known to cause this issue:
[ $ ^ . | ? \ >
The following characters works fine
{}]*+<
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
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