I ran into this today. copper SFP on a 12 port AC switch.
I made a vlan change and the port went down. This was in the log until I manually shut the port down on the other side and brought it back up.
- Code: Select all
Jun 24 15:55:44 SFP: I2C communication down to SFP 1, attempting to establish communications
Jun 24 15:56:32 Port: link state changed to 'up' (1G) on port 14
Jun 24 15:56:32 Port: link state changed to 'up' (1G) on port 14
Jun 24 15:56:42 Port: link state changed to 'up' (1G) on port 14
Jun 24 15:56:42 Port: link state changed to 'up' (1G) on port 14
Jun 24 15:57:02 Port: link state changed to 'up' (1G) on port 14
Jun 24 15:57:02 Port: link state changed to 'up' (1G) on port 14
Jun 24 15:57:12 Port: link state changed to 'up' (1G) on port 14
Jun 24 15:57:12 Port: link state changed to 'up' (1G) on port 14
Jun 24 15:57:22 Port: link state changed to 'up' (1G) on port 14
Jun 24 15:57:22 Port: link state changed to 'up' (1G) on port 14
Jun 24 15:57:32 Port: link state changed to 'up' (1G) on port 14
Jun 24 15:57:32 Port: link state changed to 'up' (1G) on port 14
Jun 24 15:57:42 Port: link state changed to 'up' (1G) on port 14
Jun 24 15:57:42 Port: link state changed to 'up' (1G) on port 14
Jun 24 15:58:22 Port: link state changed to 'up' (1G) on port 14
Jun 24 15:58:22 Port: link state changed to 'up' (1G) on port 14
Jun 24 15:58:38 Port: link state changed to 'down' on port 14
Jun 24 15:58:41 Port: link state changed to 'up' (1G) on port 14
state down was me forcing it down on the other side.