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Cisco Bug: CSCup86130 - Switch CLI: Current discrepancies between vsh and ibash

Last Modified

Aug 08, 2018

Products (1)

  • Cisco Nexus 9000 Series Switches

Known Affected Releases


Description (partial)

Because ibash is implemented on top of bash, when using ibash for the CLI, the bash behavior is inherited. For example, the sh mod command works in traditional CISCO switches. But when executed on N9K switches in ibash, because bash interprets  sh differently, sh mod will not work. Similarly, if there is a clash in the next available options, the TAB key must be pressed twice to get the options rather than once as in other Cisco switches.

In short, the CLI infra for ibash is not exactly the same as the CLI infra for the traditional Cisco switches because N9K ibash is built on top of bash.

This can happen whenever ibash is used to execute any CLI command on a leaf or spine.
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