We have many remote sies in our IPT system with central callmanager. I want to design a centralized DHCP server for all IP phones from different voice VLAN from diferent sites for easy management. What I am worried about is that during SRST, the remote site IP phones will also lose connection with central DHCP server. If there is a reboot or lease expiration, the phone will be dead. I am wondering if any new model IP phone can remember assigned IP address after reboot even it cannot reach DHCP server? Or if there is better solution for DHCP backup?
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.