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Cisco Bug: CSCvr96273 - Duplicate alias exec if Alias names are too long

Last Modified

Nov 06, 2019

Products (1)

  • Cisco cBR Series Converged Broadband Routers

Known Affected Releases

16.10.1 16.12.1 Gibraltar-16.10.1

Description (partial)

Symptom:
IOS CLI parser allows to create duplicate alias exec if the alias name is longer than 19 Characters and gets truncated to a value already taken

acdc-cbr8-3(config)#alias exec MYALIASNAMEISWAYTOLONG1 show clock
acdc-cbr8-3(config)#alias exec MYALIASNAMEISWAYTOLONG2 show clock
acdc-cbr8-3(config)#alias exec MYALIASNAMEISWAYTOLONG2 show version

acdc-cbr8-3#show aliases
Exec mode aliases:
  MYALIASNAMEISWAYTOL   show clock
  MYALIASNAMEISWAYTOL   show clock
  MYALIASNAMEISWAYTOL   show version

Conditions:
Alias names longer than 19 characters (and get truncated automatically by IOS CLI Parser)
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