Hello, i have a 3560 switch and i want to plug a cisco ip phone 7911G and a computer.
My configuration is the following :
switchport mode access vlan 40 (data vlan)
switchport voice vlan 1 (voice vlan)
it works with other phone device (7945 and 7960) but not with the 7911G (stays blocking on "configuring ip"). When i plug a 7911G directly on a port with just the cisco voice vlan 1 without the access vlan 40 it works.
You should not use vlan 1 as voice vlan with 7906/11/31 because when the phones receive "voice vlan 1" in CDP, they will not tag their packets (instead of insisting in tagging them with VLAN ID = 1 ), and since the port is configured with an access and a voice vlan, the switchport will force tagging the untagged packets of the phone with the access vlan ID which is other than 1 (with the vlan ID 40 in the above example)
And finally the DHCP will be faulty and every other config will be so..
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.