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New Member

wlc duplicated addresses

Heelo.

We have a WLC 2504 with 7.4.121.0 sw version.

We have upgraded to this version due to the fact that with old version many many clients get "duplicated ip address" error.

With this release problem remains.

Frequently clients connects to wifi and get this error, though the error is a fake (I've checked many cases, but there are not duplicated addresses).

DHCP server is the same wlc.

Thanks for any suggestions.

Daniele

Everyone's tags (1)
7 REPLIES

Referhttps://supportforums

Refer

https://supportforums.cisco.com/discussion/11491031/duplicated-ip-error-some-clients

New Member

I've tried "passive client"

I've tried "passive client" configuration: it didn't solve the problem.

My sw release is suggested from cisco web site.

I don't know how to remove wlc interfaces from wlans.

I don't have HREAP enabled.

 

New Member

I've also tried to disable

I've also tried to disable "Session Timeout" with no luck.

Ip address conflict remains and they are very annoying.

 

Silver

Its due to DHCP lease as the

Its due to DHCP lease as the client already have the old address its better that you make a new scope and so that the new client gets the ip after the default lease expire then you can switch to the original lease.

 

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New Member

Sorry, but it's not the

Sorry, but it's not the problem.

I've defined a dhcp pool of 200 ip addresses and there are only 24 clients connected...

Cisco Employee

 Check and Verify this may be

 
Check and Verify this may be a problem.
 
WLC: Duplicate IP address msglog is erroneous or misleading
CSCtz96742
 
 
Symptom:

Duplicate IP address log entry found on the WLC Msglog

Conditions:
NA

Workaround:
NA as the reported problem doesn't seem to exist or be found

 

New Member

Error messages appear on

Error messages appear on client, not in wlc logs.

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