10: Configuring an Ethernet interface
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© Virtual Access 2018
GW6600 Series User manual
Issue: 1.7
Page 99 of 519
Web: Leasetime
UCI: dhcp.@dhcp[x].leasetime
Opt: leasetime
Defines the lease time of addresses handed out to clients, for
example 12h or 30m.
12h
12 hours
Range
Web: n/a
UCI: dhcp.@dhcp[x].interface
Opt: interface
Defines the interface that is served by this DHCP pool. This must
be one of the configured interfaces.
When configured through the web UI this will be automatically
populated with the interface name
lan
Range
Table 31: Information table for DHCP server general setup page
10.2.5.3
DHCP server: advanced settings
Figure 50: The DHCP server advanced settings section
Web Field/UCI/Package Option
Description
Web: Dynamic DHCP
UCI: dhcp.@dhcp[x].dynamicdhcp
Opt: dynamicdhcp
Defines whether to dynamically allocate DHCP leases.
1
Dynamically allocate leases.
0
Use /etc/ethers file for serving DHCP
leases.
Web: Force
UCI: dhcp.@dhcp[x].force
Opt: force
Forces DHCP serving on the specified interface even if another
DHCP server is detected on the same network segment.
0
Disabled.
1
Enabled.
Web: IPv4-Netmask
UCI: dhcp.@dhcp[x].netmask
Opt: netmask
Defines a netmask sent to clients that overrides the netmask as
calculated from the interface subnet.
Use netmask from interface subnet
Range
Web: DHCP-Options
UCI: dhcp.@dhcp[x].dhcp_option
Opt: list dhcp_option
Defines additional options to be added for this dhcp pool.
For example with 'list dhcp_option 26,1470' or 'list dhcp_option
mtu, 1470' you can assign a specific MTU per DHCP pool. Your
client must accept the MTU option for this to work. Options that
contain multiple values should be separated by a comma.
Example: list dhcp_option 6,192.168.2.1,192.168.2.2
No options defined.
Syntax
Option_number, option_value
Web: n/a
UCI: dhcp.@dhcp[x].networkid
Opt: networkid
Assigns a network-id to all clients that obtain an IP address from
this pool.
Use network from interface subnet
Range
Table 32: Information table for DHCP advanced settings page
For more advanced configuration on the DHCP server, read ‘DHCP server and DNS
configuration section.