Symantec 360R Administration Guide - Page 58

Configuring the appliance as DHCP server

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58 Configuring internal connections Configuring the appliance as DHCP server network already uses 192.168.0.x, you can change the appliance's IP address to 10.10.10.x, so you do not have to reconfigure your existing network. You can change the appliance's IP address and netmask at any time. The default IP address is 192.168.0.1 and the default netmask is 255.255.255.0. Ensure that the IP address you choose for the appliance does not have zero (0) as the last octet. You cannot set the appliance IP address to 192.168.1.0. Warning: After you change the appliance's LAN IP address, you must browse to the new appliance IP address to use the SGMI. If you click the Back button in the browser, it attempts to access the old IP address. To change the appliance LAN IP address See "LAN IP & DHCP tab field descriptions" on page 161. 1 In the SGMI, in the left pane, click LAN. 2 In the right pane, on the LAN IP & DHCP tab, under Unit LAN IP, in the IP Address text boxes, type the new IP address. 3 In the Network Mask text box, type the new network mask. 4 Click Save. Configuring the appliance as DHCP server Dynamic Host Configuration Protocol (DHCP) allocates local IP addresses to computers on the LAN without manually assigning each computer its own IP address. This eliminates the need to have a static (permanent) IP address for each computer on the LAN and is useful if you have a limited number of IP addresses available. Each time a computer connected to the LAN is turned on, DHCP assigns it an IP address from the range of available addresses. Note: Each client computer that you want to use DHCP must have its network configuration set to obtain its IP address automatically. By default, the range of IP addresses that the appliance can assign is from 192.168.0.2 to 192.168.0.XXX, where XXX is the number of clients to support, plus two. For example, if you support 50 clients on your appliance, the last IP address in the range is 192.168.0.52. The DHCP server on the appliance serves IP addresses to up to 253 computers connected to it. If you change the IP address of

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58
Configuring internal connections
Configuring the appliance as DHCP server
network already uses 192.168.0.x, you can change the appliance’s IP address to
10.10.10.x, so you do not have to reconfigure your existing network.
You can change the appliance’s IP address and netmask at any time. The default
IP address is 192.168.0.1 and the default netmask is 255.255.255.0. Ensure that
the IP address you choose for the appliance does not have zero (0) as the last
octet.
You cannot set the appliance IP address to 192.168.1.0.
Warning:
After you change the appliance’s LAN IP address, you must browse to
the new appliance IP address to use the SGMI. If you click the Back button in the
browser, it attempts to access the old IP address.
To change the appliance LAN IP address
See
“LAN IP & DHCP tab field descriptions”
on page 161.
1
In the SGMI, in the left pane, click
LAN
.
2
In the right pane, on the LAN IP & DHCP tab, under Unit LAN IP, in the IP
Address text boxes, type the new IP address.
3
In the Network Mask text box, type the new network mask.
4
Click
Save
.
Configuring the appliance as DHCP server
Dynamic Host Configuration Protocol (DHCP) allocates local IP addresses to
computers on the LAN without manually assigning each computer its own IP
address. This eliminates the need to have a static (permanent) IP address for
each computer on the LAN and is useful if you have a limited number of IP
addresses available. Each time a computer connected to the LAN is turned on,
DHCP assigns it an IP address from the range of available addresses.
Note:
Each client computer that you want to use DHCP must have its network
configuration set to obtain its IP address automatically.
By default, the range of IP addresses that the appliance can assign is from
192.168.0.2 to 192.168.0.XXX, where XXX is the number of clients to support,
plus two. For example, if you support 50 clients on your appliance, the last IP
address in the range is 192.168.0.52. The DHCP server on the appliance serves IP
addresses to up to 253 computers connected to it. If you change the IP address of