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Only 47 APs join to WLC-4402-50

Why only 47 APs join to the controller 4402-50, the debug capwap errors enable show this:

(Cisco Controller) >

*Sep 07 11:52:33.700: 00:3a:98:f0:f0:f0 Join Priority Processing status = 0, Incoming Ap's Priority 1, MaxLrads = 50, joined Aps =47

*Sep 07 11:52:46.100: 00:3a:98:f0:f0:f0 Join resp: Unable to encode CAPWAP Control IPV4 Address

*Sep 07 11:52:46.100: 00:3a:98:f0:f0:f0 Failed to encode Join response to 192.168.15.10:10738

*Sep 07 11:52:46.101: 00:3a:98:f0:f0:f0 Config Response Failure: Unable to send Join response to 192.168.15.10:10738

*Sep 07 11:52:46.103: 00:3a:98:f0:f0:f0 State machine handler: Failed to process  msg type = 3 state = 0 from 192.168.15.10:10738

*Sep 07 11:52:46.103: 00:3a:98:f0:f0:f0 Failed to parse CAPWAP packet from 192.168.15.10:10738

*Sep 07 11:52:46.105: 00:3a:98:f0:f0:f0 Discarding non-ClientHello Handshake OR DTLS encrypted packet from  192.168.15.10:10738)since DTLS session is not established

Can anybody help me with this? When I disconect another AP the AP join succesfully and when i connect the disconnected AP not join, alway only 47 join, doesn't matter what AP, the first 47 in arrive join to the controller.

Any idea?

Everyone's tags (4)
1 ACCEPTED SOLUTION

Accepted Solutions

Re: Only 47 APs join to WLC-4402-50

Enable LAG, and reboot the WLC.  Even if only one port is connected.

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

Re: Only 47 APs join to WLC-4402-50

While we should be able to get 48 AP across a single port, it sounds like you are hitting an AP per-port issue.  Can you enable LAG or connect the other port an configure a second AP-Manager interface?

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

Re: Only 47 APs join to WLC-4402-50

I don't have another GLC-T or GLC-SX-MM and I'm traying to resolve this because we have 48 APs and each port must support 48 APs but it is supporting only 47

The AP-Manager Interface is occuping one spacie from the 48 available?? or what can I do before buy another GLC-T ??

Thank you

Re: Only 47 APs join to WLC-4402-50

Enable LAG, and reboot the WLC.  Even if only one port is connected.

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

Re: Only 47 APs join to WLC-4402-50

Ok, I will try this tomorrow because in this moment I can't reboot the controller

Thank you Stephen!!

Re: Only 47 APs join to WLC-4402-50

The limit Stephen is discussing was put into place to eliminate over subscription of a single sfp port utilizing only one AP manager interface. Enabling LAG equally distributes the traffic out one IP address using BOTH sfp ports from the physical layer perspective. You can also achieve this by adding a second AP manager interface and tying it to the second physical port. You must do one of these two to enable support for the additional 2 APs. When creating a new interface for the AP manager2 make sure that you allow it to dynamically manage the APs. If not, you will still have the same problem.

New Member

Re: Only 47 APs join to WLC-4402-50

Thank you Stephen, it works!!!

When I enabled LAG the controller support the 50 APs on one port!!!

Thank you for your help, I won't buy another GLC-T

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