We have a mix of cisco phones. Basically one's with a single rj-45 port on it and one's with the built in switch. We do trunking on the port's the phone's are connected to with voice vlan and data vlan seperate. I was wondering if you can put either spanning-tree rootguard or spanning-tree BPDUguard on those ports without it breaking anything?
What switches do you have? With a "voice-capable" switches with inline power you do not need to configure a switch port as a trunk. All you do - you define access VLAN and auxuliary VLAN. When switch detects a Cisco IP phone, it does "magic" with the port, but port does not become "trunk".
We have BPDU guard on all "access" ports without checking if we have phone or not.
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.