Unified Services Router User Manual
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the prefix length. The IPv6 network (subnet) is identified by the initial bits of the address called the
prefix. By default this is 64 bits long. All hosts in the network have common initial bits for their
IPv6 address; the number of common initial bits in the network’s addresses is set by the prefix
length field.
Figure 4: IPv6 LAN and DHCPv6 configuration
If you change the IP address and click Save Settings, the GUI will not respond. Open a new connection
to the new IP address and log in again. Be sure the LAN host (the machine used to manage the router)
has obtained IP address from newly assigned pool (or has a static IP address in the router’s LAN
subnet) before accessing the router via changed IP address.