Hi, Could you somone please advise if its possible to configure a L3 switch, in the middle of a VLAN, to act as DHCP server, instead of using the VLAN exit port on the Router? If so, does this mean that the router port needs to have a static IP, outside of the DHCP range? Would something like this work o.k.? Thank you, Gezza
DHCP Server not same as Default GW
- Thread starter gezza2013
- Start date
If the vlans are the same i guess.
Lets look at the more common use of dhcp on a server. Say your router is on 192.168.0.1 and your server is on 192.168.0.100. DHCP is a broadcast protocol so as long as only the server has dhcp services enable it would replay. It would be configured to give the device a IP in the 192.168.0.x range with a gateway of 192.168.0.1 and a dns server of whatever your network uses.
Some layer3 switches can act as dhcp server but not all it depends on the brand.
The most common way to accomplish this in larger networks is to use bootp/dhcp helper to forward all the dhcp requests to one central dhcp server. The switch would act as a proxy for the dhcp requests. The company I work for has a centralized dhcp server that provides ip for many locations in a number of countries.
Lets look at the more common use of dhcp on a server. Say your router is on 192.168.0.1 and your server is on 192.168.0.100. DHCP is a broadcast protocol so as long as only the server has dhcp services enable it would replay. It would be configured to give the device a IP in the 192.168.0.x range with a gateway of 192.168.0.1 and a dns server of whatever your network uses.
Some layer3 switches can act as dhcp server but not all it depends on the brand.
The most common way to accomplish this in larger networks is to use bootp/dhcp helper to forward all the dhcp requests to one central dhcp server. The switch would act as a proxy for the dhcp requests. The company I work for has a centralized dhcp server that provides ip for many locations in a number of countries.
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