DIR-620S  Wireless N300 Router with 3G/LTE Support and
USB Port
User Manual
Configuring via Web-based Interface
In the Static IP Addresses section, you can specify MAC address and IPv6 address pairs (set a 
fixed IPv6 address in the local area network for a device with a certain MAC address). The router 
assigns IPv6 addresses in accordance with the specified pairs only when the  Stateful  value is 
selected   from   the  Mode   of   dynamic   IPv6   address   assignment  drop-down   list   in   the 
Dynamic IPv6 Addresses section.
Figure 98. Configuring the local interface. The IPv6 tab. The section for creating MAC-IPv6 pairs.
To create a MAC-IPv6 pair, click the ADD button ( ). In the opened window, fill in the MAC 
address field. You can choose a device connected to the router's LAN at the moment. To do this, 
select the relevant MAC address from the drop-down list (the field will be filled in automatically). 
Then in the IP address field, enter an IPv6 address which will be assigned to the device with the 
specified MAC address. In the Hostname field, specify a network name of the device for easier 
identification (optional). Click the APPLY button.
To   create   MAC-IPv6   pairs   for   the   devices   connected   to   the   router   at   the   moment,   click   the 
KNOWN CLIENTS  button. In the opened window, select the needed device and click the  OK 
button. To view the latest list of the connected devices, click the REFRESH button.
To edit the settings for the existing MAC-IPv6 pair, left-click the relevant line in the table. In the 
opened window, change the needed parameters and click the APPLY button.
To remove a MAC-IPv6 pair, select the checkbox located to the left of the relevant line in the table 
and click the DELETE button ( ). Then click the APPLY button. Also you can remove a MAC-
IPv6 pair in the editing window.
If needed, you can add your own address resource records. To do this, click the ADD button ( ) 
in the Hosts section (available if the Router, WISP Repeater, or Mobile Internet mode was 
selected in the Initial Configuration Wizard).
Figure 99. Configuring the local interface. The IPv6 tab. The window for adding a DNS record.
In the  IP address  field, specify a host from the internal or external network.  You can choose a 
device connected to the router's LAN at the moment. To do this, select the relevant IPv6 address 
from the drop-down list (the field will be filled in automatically). In the Name field, specify the 
domain name to which the specified IPv6 address will correspond. Click the SAVE button.
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