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Second DHCP Server for second SSID

I have Internal DHCP Server configured on the Cisco WLC 5508 and all is working fine.  DHCP Range is 192.168.1.100 to 192.168.1.245.

Now I created another SSID but I want clients connecting to this SSID get specific IP's or from a specific range.  WLC has no option to bind a DHCP pool to a specific IP so what I did I checked the option to "Override DHCP" and added the IP of my firewall WLC is connected to and setup a DHCP Pool on that firewall as 192.168.1.89 to 192.168.1.94 (192.168.1.88/29).

Client can connect to the second SSID but can't grab and IP address, what am I missing ?  Thank you

1 ACCEPTED SOLUTION

Accepted Solutions

Second DHCP Server for second SSID

Mohammad,

     when you use a firewall as a DHCP server, you have to diable DHCP proxy on the WLC.  But in your case, since the WLC is acting as a DHCP server, you have to have it on.

If you were to move the .100-.245 scope to a router or switch, you could disable proxy and all should work.

Steve

HTH, Steve ------------------------------------------------------------------------------------------------ Please remember to rate useful posts, and mark questions as answered
6 REPLIES

Second DHCP Server for second SSID

Mohammad,

     when you use a firewall as a DHCP server, you have to diable DHCP proxy on the WLC.  But in your case, since the WLC is acting as a DHCP server, you have to have it on.

If you were to move the .100-.245 scope to a router or switch, you could disable proxy and all should work.

Steve

HTH, Steve ------------------------------------------------------------------------------------------------ Please remember to rate useful posts, and mark questions as answered

Second DHCP Server for second SSID

Ah ok that is what I was afraid of, ok makes sense thank you so much for your help.

Second DHCP Server for second SSID

thank you for supporting the rating system!

Steve

HTH, Steve ------------------------------------------------------------------------------------------------ Please remember to rate useful posts, and mark questions as answered

Second DHCP Server for second SSID

Steve

Why should he disable the DHCP proxy when using the firewall .

Thanks

NikhiL

Second DHCP Server for second SSID

FW devices don't like proxy.  I believe it's because they want DHCP in a broadcasted format, and not proxied.

Steve

HTH, Steve ------------------------------------------------------------------------------------------------ Please remember to rate useful posts, and mark questions as answered

Second DHCP Server for second SSID

Thanks Steve for the explanation

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