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IP Addresses Dual WLCs

I don't know why I cannot find an answer for this but, there are two controllers for this setup and they are in the same Mobility Group

We have Two Conrollers Models 5508s and called them WLC1 and WLC2

WLC1 = 192.168.1.10 ( Management IP )

WLC2 = 192.168.1.11 ( Management IP )

WLC 1 configured with user SSID called "SSID1" = 172.16.1.10 MAC aa:aa:aa:bb:bb:bb

WLC 2 configured with user SSID called "SSID1" = 172.16.1.10 MAC aa:aa:aa:cc:cc:cc ( What should this be? the same as WLC1? or a 172.16.1.11,12,13...etc.?

Because the Wireless controllers are in the same mobility group the question is:

Should the user SSID1 interface configuration share the same IP address or should it have seperate IP addresses in the same Subnet?

Because I have them in the same subnet I have not had any real issues other than this message which indicates I should NOT be using the same IP address for the user interfaces?????

SECONDARY WLC2 TRAP LOGS:

Mon Jul 2 08:32:52 2012 Warning: Controller has detected its IP Address 172.16.1.10 being used by a machine with MAC Address aa:aa:aa:bb:bb:bb.

1 Mon Jul 2 08:32:52 2012 Warning: Controller has detected its IP Address 172.16.1.10 being used by a machine with MAC Address aa:aa:aa:bb:bb:bb.

2 Mon Jul 2 08:32:52 2012 Warning: Controller has detected its IP Address 172.16.1.10 being used by a machine with MAC Address aa:aa:aa:bb:bb:bb.

3 Mon Jul 2 08:32:52 2012 Warning: Controller has detected its IP Address 172.16.1.10 being used by a machine with MAC Address aa:aa:aa:bb:bb:bb.

4 Thu Jun 28 10:10:50 2012 Warning: Controller has detected its IP Address 172.16.1.10 being used by a machine with MAC Address aa:aa:aa:bb:bb:bb.

5 Thu Jun 28 10:10:50 2012 Warning: Controller has detected its IP Address 172.16.1.10 being used by a machine with MAC Address aa:aa:aa:bb:bb:bb.

6 Thu Jun 28 10:10:50 2012 Warning: Controller has detected its IP Address 172.16.1.10 being used by a machine with MAC Address aa:aa:aa:bb:bb:bb.

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New Member

IP Addresses Dual WLCs

I must be the ONLY person in the world with this issue? Nobody else has deployed more than 1 controller? : -(

New Member

IP Addresses Dual WLCs

Hi rsayakhom, The interfaces of the WLCs should be in the same subnet, but not the same ip address of course, and the warning is becuase the client has the same ip address that the dynamic interface of the wlc.

Regards,

Milton Tizoc.

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