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Cisco Bug: CSCvv25052 - Cat9600 does not pass traffic after ISSU upgrade

Last Modified

Aug 20, 2020

Products (1)

  • Cisco Catalyst 9600 Series Switches

Known Affected Releases


Description (partial)

The issue observed was there was no arp resolved or cdp traffic seen on the box. No traffic could pass through the device.

The issue occurred after the ISSU upgrade of CAT9600 from 16.12.3 to 16.12.3a iOS version.
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