I have a IP phone 7940 connect to a switch 3550. It is very strange. After the phone pluged into the switch, I noticed the trunk established. But when using Show CDP nei command, I cannot see the phone.(Of course, the phone did not work) Other switches which are connected to this switch show up and all computers connected to it are fine.
When the phone plugs into aother switch 3550, it works fine.
Are you getting this error “Installer User Interface Mode Not Supported. The installer cannot run in this UI mode. To specify the interface mode, use the -i command-line option, followed by the UI mode identifier. The value UI mode identifiers...
The below trick might come handy when you have to add a new node to a cluster but you don't have or is unsure of the security password for the publisher. This procedure has been around for ages.
1) Login into the CLI of the Publisher.