Shiro ADSL 2/2+ Ethernet Modem User Manual

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User Manual 
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subnet allows the router to support 254 users. If you want to 
support a larger number of users you can change the subnet 
mask. 
 
Default Gateway 
The default gateway is the routing device used to forward all 
traffic that is not addressed to a station within the local subnet. 
Your ISP provides you with the IP address of the default gateway. 
 
Host Name 
The host name is used in conjunction with the domain name to 
uniquely identify the router. It can be any alphanumeric word that 
does not contain spaces. 
 
Domain 
The domain name is used in conjunction with the host name to 
uniquely identify the router. To access the web pages of the 
router you can type 192.168.1.1 (the IP address) or 
mygateway1.ar7 (Host Name.Domain). 
Enable DHCP Server 
 
Enables/disables DHCP. By default, your router has the DHCP 
server (LAN side) enabled. If you already have a DHCP server 
running on your network, you must disable one of the two DHCP 
servers. 
 
Assign ISP DNS, 
SNTP 
Enable/disables the Assign ISP DNS, SNTP feature when the 
DHCP server of your router has been enabled. To learn more, 
please refer to 
Assign ISP DNS, SNTP
 
Start IP 
The Start IP Address is where the DHCP server starts issuing IP 
addresses. This value must be greater than the IP address value 
of the router. For example, if the IP address of the router is 
192.168.1.1 (default), then the starting IP address must be 
192.168.1.2 (or higher). 
 
End IP 
The End IP Address is where the DHCP server stops issuing IP 
addresses. The ending address cannot exceed a subnet limit of 
254; hence the max value for the default gateway is 
192.168.1.254. If the DHCP server runs out of DHCP addresses, 
users do not get access to network resources. If this happens, 
you can increase the Ending IP address (to the limit of 254) or 
reduce the lease time. 
 
Lease Time 
The Lease Time is the amount of time that a network user is 
allowed to maintain a network connection to the router using the 
current dynamic IP address. At the end of the Lease Time, the 
lease is either renewed or the DHCP server issues a new IP. The 
amount of time is in units of seconds. The default value is 3600 
seconds (1 hour). The maximum value is 999999 seconds 
(About 278 hours). 
Enable DHCP Relay 
 
In addition to the DHCP server feature, the router supports the