Manage DHCP Server

Add DHCP Server

1. Go to Network :: DHCP drop-down :: DHCP Server.
2. Click Add (displays dialog):
3. On Protocol menu, select one:
   1. DHCP4 radio button (expands dialog) enter:
      Subnet (must match the settings of a configured interface)
      Netmask (defined subnet – format: xxx.xxx.xxx.xxx)
   2. DHCP6 radio button (expands dialog) enter:
      Prefix
      Length
4. In Optional Parameters menu, enter:
   1. Domain
      
   2. Domain Name Services (DNS)
      
   3. Router IP (DHCP4 only)
   4. Lease Time (s) (default: 86400).
5. Click Save.

Edit DHCP Server Configuration

1. Go to Network :: DHCP drop-down :: DHCP Server.
2. On Subnet/Netmask column, click a name. This displays three sub-tabs: Settings, Network Range, Hosts. 
3. On Settings sub-tab, make changes as needed, then click Save.
4. On Network Range sub-tab, the user can define one or more ranges of dynamic addresses to be allocated within the network: 
   1. Add Network Range: click Add (displays dialog): 
      • Enter IP Address Start (first IP address to be served)
      • Enter IP Address End (last IP address to be served)
      • Click Save.
   2. To edit network range, click on the IP Range name (expands dialog). Make changes, as needed. Click Save.
   3. To delete a network range, select the IP Range checkbox. Click Delete.
5. On Hosts sub-tab, a Host can be assigned a static IP address when it joins the network. It is recommended that static addresses are not within any configured dynamic Network Ranges:
   1. To add Host, click Add (displays dialog):
   2. Enter details: 
      • Hostname: An arbitrary identifier for the host
        
      • HW Address (optional): The MAC address used to identify the host. When a device with this MAC address asks for a DHCP lease, it will be associated with this Host entry and assigned the static IP. Either HW Address or Agent Circuit ID, or both, must be configured
      • Agent Circuit ID (optional): A vendor-defined "circuit" identifier. Either HW Address or Agent Circuit ID, or both, must be configured
        
      • Assigned Hostname (Option 12) (optional): A hostname that will be sent and may or may not be honored by the requesting client
        
      • IP Address: The static address to assign to this host. It is recommended that this address does not fall within any configured dynamic Network Range
        
      • Click Save
   3. To edit host, click on the Hostname (expands dialog). Make changes, as needed. Click Save.
   4. To delete a Host, select the Hostname checkbox. Click Delete.

Delete DHCP Server

1. Go to Network :: DHCP drop-down :: DHCP Server.
2. Select checkbox to be deleted.
3. Click Delete.
4. On the confirmation dialog, click OK.