Questions

Does DHCP server need to be on same subnet?

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Does DHCP server need to be on same subnet?

Not really, unfortunately. On the same subnet, you absolutely cannot run two DHCP servers that assign addresses from the same range. However, on the same subnet, you can have two DHCP servers that assign addresses from different ranges.

Should I have a separate DHCP server?

In general, you’d use a DHCP server if the extra load on the router loads it down. SOHO networks can get away with using just the DHCP service on a router. Large networks need one or more DHCP servers which relieves the router(s) of the additional work.

Can a network have multiple DHCP servers?

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If you are considering multiple DHCP servers, remember that multiple DHCP servers cannot share any of the same addresses. If you use more than one DHCP server in your network, each server must be configured with their own unique IP address ranges.

How do I know if I have multiple DHCP servers?

You can get the IP address of the server by running ipconfig /all on a windows machine, and then you can get the MAC address by looking for that IP address using arp -a . You will be granted with the following results. Note that you can replace DHCP SERVER with SERVER and it will display all servers on the network.

How do I create a subnet in DHCP?

How to Configure DHCP Subnets and Address Pools

  1. Configure Advanced Subnets. Go to CONFIGURATION > Configuration Tree > Box > Assigned Services > DHCP > DHCP Enterprise Configuration .
  2. Configure Address Pools. Configure your address pools and define client policies.
  3. Configure Shared/Multihomed Subnets.
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Do all routers have a DHCP server?

By default, home routers set to use DHCP, whereas each connected device will receive the necessary settings from the router. Therefore, on your home network, your router serves as a simple DHCP server that assigns this information to hosts.

Do routers act as DHCP servers?

DHCP is a protocol that is heavily used to assign IP addresses automatically over LAN networks. However similar to most networking devices, a network router can also be configured to act as a DHCP server.

What subnet would the DHCP server be on?

The DHCP Server would be on VLAN 2. On our Switches we would simple use the IP Helper or equivalent DHCP Relay command to point at the Ip Address of the Server. Upon the DHCP Server receiving the DHCPDiscover Message…how does it know what subnet to assign?

Can you have more than one DHCP server on the same network?

This is the most basic example of having more than one DHCP server on the same network. Multiple DHCP servers PT 2: DHCP servers that serve the same network segment.

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What is DHCP and how does it work?

DHCP on a simple network works using the DORA principle. Discovery – the client broadcasts a message on the local network segment its connected to, to discover available DHCP servers. Offer – a suitably configured DHCP server receives a request from a client, and offers it an address from its pool of available addresses.

What is the DHCP range of a VLAN?

Your DHCP range is set for a specified subnet and servers a range of addresses in that subnet. So my VLAN100 network serves the 10.1.100.0/24 network (because that 10.1.100.1 is the gateway for that vlan). The ip helper-address entry points that VLAN/subnet to my DHCP server when a request comes in.