LQ IP Address 172.23.xxx.xxx Restricted

You will find that the LQ (and the HelixNet as an extension) does not allow you to assign IP addresses in the 172.23.xx.xx subnet, more specifically, IP addresses through

This subnet is reserved for linking between different LQ’s and LQ to HelixNet (depending on which one is the Link Master.) The reason for this is to allow the LQ to in effect create a VPN tunnel between the devices, which is especially useful when connected over the internet.

As stated in the LQ user guide, it is highly advised that you consider a different subnet from 172.23.xx.xx as Clear-Com cannot guarantee reliable behavior if this address range is used. Deploying an LQ in this range could cause IP conflicts and routing issues.