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You can follow 80-20 rule to configure two DHCP Servers in your network.
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You can follow 80-20 rule to configure two DHCP Servers in your network.

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Can I put two DHCP server address on a VLAN interface &nbsp;? Tks<br />
<br />
interface Vlan3<br />
&nbsp;ip address 10.5.10.5 255.255.255.0<br />
&nbsp;ip helper-address 192.168.100.20 <br />
&nbsp;ip helper-address 192.168.100.21
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Can I put two DHCP server address on a VLAN interface  ? Tks

interface Vlan3
 ip address 10.5.10.5 255.255.255.0
 ip helper-address 192.168.100.20
 ip helper-address 192.168.100.21

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Is it possible to setup the two DHCP servers for redundancy purpose ? Currently, we have only one setup on &nbsp;a VLAN<br />
<br />
&nbsp; ip helper-address 192.168.100.20
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Is it possible to setup the two DHCP servers for redundancy purpose ? Currently, we have only one setup on  a VLAN

  ip helper-address 192.168.100.20

DHCP relay on other VLAN

A switch is a device that filters and forwards packets of data between LAN segments. Switches operate at the data link layer or the network layer of the Open Systems Interconnection (OSI) Reference Model and therefore support any packet protocol. LANs that use switches to join segments are called switched LANs or, in the case of Ethernet networks, switched Ethernet LANs. A hub is a connection point for devices in a network. Hubs are commonly used to connect segments of a LAN. A hub contains multiple ports; when a packet arrives at one port, it is copied to the other ports so that all segments of the LAN can see all packets.