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set dhcp range [ 2... 8 ] start-address ip_address
Specifies the starting IP address of DHCP range n when subnet n option is on. See “Additional subnets”
on page 262.
set dhcp range [ 2... 8 ] end-address ip_address
Specifies the ending IP address of DHCP range n when subnet n option is on. See “Additional subnets”
on page 262.
set dhcp reserved
If you selected server, reserves the specified IP address from the DHCP pool to the specified MAC address. These are list items; a total of 16 reserved addresses are supported. Secondary ranges will all make use of the dhcp
DHCP Generic Options
Beginning with Firmware Version 7.7.2, you can specify DHCP Generic Options which allow you to configure the content to be served for particular option numbers.
set dhcp gen-option name name
Specifies a DHCP generic option set named name of one to 15 characters. You can specify up to 20 gen- options. Each can contain up to 100 bytes of data, up to a maximum of 912 bytes of options data total. An option will be served only if the client requests it.
set dhcp gen-option option [ 1 – 255 ]
Specifies the DHCP option by number, 1 – 255. The following table shows the formats and sizes for known options, and whether or not you can configure a
Option | Data Format | Data Size | Can | ||
(bytes) | Configure | ||||
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0 |
| Empty | 0 | No | |
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1 |
| IP mask | 4 | Yes | |
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2 |
| Unsigned 4 byte integer | 4 | Yes | |
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3 - 11 | IP address list | Multiples of 4 | Yes | ||
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12 |
| String (up to 100 characters) | N | Yes | |
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13 |
| Unsigned 2 byte integer | 2 | Yes | |
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14 | - 15 | String (up to 100 characters) | N | Yes | |
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16 |
| Unsigned 4 byte integer | 4 | Yes | |
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17 |
| String (up to 100 characters) | N | Yes | |
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18 |
| String (up to 100 characters) | N | Yes | |
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19 - 20 | Flag | 1 | Yes | ||
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21 |
| IP address & mask list | Multiples of 8 | Yes | |
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22 |
| Unsigned 2 byte integer | 2 | Yes | |
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