Dhcp Server - Teltonika RUT240 User Manual

7.3.2 DHCP Server

The DHCP server is the router's side service that cao automatcally coofgure the TCP/IP settiogs of aoy device that
requests such a service. If you coooect a device that has beeo coofgured to obtaio IP address automatcally the DHCP
server will lease ao IP address aod the device will be able to fully commuoicate with the router.
7.3.2.1 General Setup
Field Name Sample ialue
1. DHCP Eoable / Disable/
DHCP Relay
2. Start 100
3. Limit 150
4. Lease tme 12
7.3.2.2 Advanced settings
You cao also defoe some advaoced optoos that specify how the DHCP server will operate oo your LAN oetwork.
Explanaton
Maoage DHCP server
The startog address of the raoge that the DHCP server cao use to give out to
devices. E.g.: if your LAN IP is 192.168.2.1 aod your suboet mask is 255.255.255.0
that meaos that io your oetwork a valid IP address has to be io the raoge of
[192.168.2.1 – 192.168.2.254](192.168.2.0 aod 192.168.2.255 are special
uoavailable addresses). If the Start value is set to 100 theo the DHCP server will
ooly be able to lease out addresses startog from 192.168.2.100
How maoy addresses the DHCP server gets to lease out. Cootouiog oo the above
example: if the start address is 192.168.2.100 theo the eod address will be
192.168.2.254 (100 + 155 – 1 = 254).
How loog a leased IP will be coosidered valid. Ao IP address afer the specifed
amouot of tme will expire aod the device that leased it out will have to request a
oew ooe. Select Hours or Mioutes (mioimum 2mio).
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