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DHCP Redundancy

Can I use two ip helper-address sentences in the same vlan?

interface Vlan27
 ip address 10.112.104.10 255.255.255.0

 ip helper-address 10.112.127.40
 ip helper-address 10.112.98.95

 

How should I configure DHCP Servers (Windows Server)

Is it correct to split the network? For example 10.112.104.0 /24 into two scopes 10.112.104.0 /25 and 10.112.104.128 /25, one on each server.

The interface vlan will send the DHCP request to both servers? Who will respond first?

I hope you had experience on this.

Thank you in advance

Best Regards!

 

 

Everyone's tags (1)
2 REPLIES 2
Advocate

Hi,For Windows DHCP servers

Hi,

For Windows DHCP servers read this doc

https://technet.microsoft.com/en-us/library/ee405264(v=ws.10).aspx

Regards
Alex

Regards, Alex. Please rate useful posts.
VIP Mentor

> Is it correct to split the

> Is it correct to split the network? For example 10.112.104.0 /24 into two scopes 10.112.104.0 /25 and 10.112.104.128 /25, one on each server.

That's one way to configure it. DHCP is cluster-enabled in Windows Server 2008R2.

> The interface vlan will send the DHCP request to both servers?

yes.

> Who will respond first?

Without any additional configuration on the server; the one that processes the request first. But that can be configured as shown in Alex's link.

 

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