D-Link DSR-250 Network Router User Manual


 
Unified Services Router User Manual
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Figure 2: 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.