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Cisco Bug: CSCvu86619 - show tech-support port interface CLI may cause a crash when an invalid interface type is specified

Last Modified

Aug 29, 2020

Products (1)

  • Cisco Embedded Services 3300 Series Switches

Known Affected Releases


Description (partial)

Running the following command on an IE3x00 (IE3200, IE3300, IE3400) Industrial Ethernet switch for an invalid interface type may cause the switch to crash:

show tech-support port interface {type} <#>

For example, using vlan 1 may cause a crash. There is no crash if a correct interface (for example gig 1/1) is specified. Only physical front panel interfaces should be specified in the command syntax

Running the following command for an invalid interface type

show tech-support port interface {type} <#>
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