Banana Pieces

Troubleshooting TFTP

Another engineer reported that “TFTP is not working” when he was trying to stage firmware upgrades on our Cisco access network. I offered to help, and ended up spending a good portion of a day troubleshooting it. Replicate the Issue Fortunately, we have lab gear that I could test this on without affecting any production service. I logged into a 3850 stack in the lab and successfully transferred a test file from a TFTP server on a bastion host....

December 9, 2021 · 19 min · Jason Lavoie