Flex 7500 Wireless SFP

The documentation states the Flex 7500 WLAN controllers support the 10Gig transcever "SFP-10G-SR" but mentions no others. Is it possible to install a 1Gig transceiver such as GLC-T or GLC-SX-MM or other types of 10Gig transceivers.

No.. The Flex7500 is pure 10gig connection only.
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Issue with AP 3702i, AP not registered in Flex 7500

Hi
My problem is this , I have several Access Points 3702i , which are seteados with Static IP , which were previously configured . When connected to the network , they are not able to register with the WLC Flex 7500, the AP reachable from the WLC for ping , but still not recorded.
I connected to the network, I connect the console to the AP and I reconfigure the AP two or three times, until it is able to register.
Anyone know if this happens over a Bug or a series of equipment failures that come with ????
The Access Point throws typical logs trying to connect to the WLC , try enocntrar a DHCP and restarted , despite having a Static ip and is reachable from the WLC .
Greetings and esperi someone can answer .

What code running on your 7500 ? 3700 require 7.6.100.x or above
http://www.cisco.com/c/en/us/td/docs/wireless/compatibility/matrix/compatibility-matrix.html
If possible attach the console output of the AP while this issue is happening. That will tell us reason for the failures
HTH
Rasika
*** Pls rate all useful responses ***

Cisco Flex 7500 controller with client disconnects

Hey All,
There will be alot of info in this post, hopefully all helpful, more info the better right! If you require anymore info to help me out to not hesistate to request it.
We have been having some issues with clients connecting and disconnecting several times a day and having to manually reconnect from the icon on their taskbar. We have about 380 APs, and 200+ more to deploy that we have and are licensed for but are having some issues that we want to resolve first obviously.
Some locations our setup is a bit more complex than this with multiple SSIDs and vlans, but this issue is everywhere so i will keep it to our simple setup for now:
AP Models: AIR-LAP1042N-A-K9, AIR-CAP1602I-A-K9 (Most locations do not have a mix of both, most have 1042s)
Running a single SSID - WPA/WPA2 with: WPA - TKIP and WPA2 - AES on the same SSID.
They talk back to a Cisco Flex 7500 Series through a tunnel (should not be any port blocking preventing communication)
We are running from what i understand a bad firmware version (7.6.100.0) and during our next maintenance window i am going to try and get them to change to a more stable firmware version.
Data Rates of 1,2,5.5,11 Mbps are disabled
TPCv1 coverage running
Automatic Power Assignment
I will not focus on the a/n/ac network as most of our devices are connecting to WPA due to the config they already have.
Ideally i would like to get rid of WPA all together but i am not 100% in control of the decisions to get the started and people here like to delay things lol.
It is hard to say if the issue is specific to a model as we have so few 1602Is, and it is just at our main office. I have not heard many complaints but i have noticed i will now and then get a limited or no connectivity settings on my wireless icon on my PC. I use hard-wired so i don't really notice if it is not working.
In most locations it looks like the controller is doing a decent job at selection channels to use. I did find one spot where it had on 11 APs down a long hallway, and did not use channel 6 once. I statically set that location to stagger the channels to see what kind results we had and am still waiting to hear on that as they complained the most out of all of our locations. In some cases 3 APs in a row were on channel 1 in the hallway, in alot of casses 1 was 2 times in a row as well as 11 so there was alot of overlap.
I am attaching my show sysinfo and show wlan 17 for that informtion, some of the other settings i have changed today that were previously enabled/set different are:
Disabled Cisco Aironet IE
Set channel automatic rescan from 10 mintues to 12 hours as i can image if it is changing the channels alot it can lead to disconnects.
Some of the main things we get in our message log are:
*dot1xMsgTask: Oct 16 15:17:36.943: #DOT1X-4-MAX_EAPOL_KEY_RETRANS: 1x_ptsm.c:508 Max EAPOL-key M5 retransmissions exceeded for client 84:85:06:0b:a6:33
    - Not sure why we get this as we have a PSK and do not have local eap enabled.....
*apfMsConnTask_6: Oct 16 15:19:01.753: #APF-3-AID_UPDATE_FAILED: apf_80211.c:6570 Error updating Association ID for REAP AP Clientc8:f9:f9:2b:fd:50 - AID 4
*apfMsConnTask_6: Oct 16 15:19:01.753: #LWAPP-3-INVALID_AID2: spam_api.c:1462 Association identifier 4 for client 18:9e:fc:4d:9e:87 is already in use by 8c:2d:aa:b7:70:5e
    - There is a bug for this log, but according to the bug our 7.6.100.0 is not effected
Here is my show sysinfo:
(Cisco Controller) >show sysinfo
Manufacturer's Name.............................. Cisco Systems Inc.
Product Name..................................... Cisco Controller
Product Version.................................. 7.6.100.0
RTOS Version..................................... 7.6.100.0
Bootloader Version............................... 7.6.101.2
Emergency Image Version.......................... 7.6.101.2
Build Type....................................... DATA + WPS
System Name...................................... Cisco_cf:17:26
System Location..................................
System Contact...................................
System ObjectID.................................. 1.3.6.1.4.1.9.1.1295
Redundancy Mode.................................. Disabled
IP Address....................................... 10.156.50.100
System Up Time................................... 52 days 5 hrs 54 mins 25 secs
System Timezone Location......................... (GMT -4:00) Altantic Time (Canada)
System Stats Realtime Interval................... 5
System Stats Normal Interval..................... 180
Configured Country............................... CA - Canada
--More-- or (q)uit
Operating Environment............................ Commercial (10 to 35 C)
Internal Temp Alarm Limits....................... 10 to 38 C
Internal Temperature............................. +22 C
Fan Status....................................... OK
RAID Volume Status............................... OK
State of 802.11b Network......................... Enabled
State of 802.11a Network......................... Enabled
Number of WLANs.................................. 13
Number of Active Clients......................... 1584
Burned-in MAC Address............................ 70:81:05:CF:17:20
Power Supply 1................................... Present, OK
Power Supply 2................................... Present, OK
Maximum number of APs supported.................. 600
Here is my Show wlan 17
WLAN Identifier.................................. 17
Profile Name..................................... AirCCRSB
Network Name (SSID).............................. AirCCRSB
Status........................................... Enabled
MAC Filtering.................................... Disabled
Broadcast SSID................................... Enabled
AAA Policy Override.............................. Disabled
Network Admission Control
Client Profiling Status
    Radius Profiling ............................ Disabled
     DHCP ....................................... Disabled
     HTTP ....................................... Disabled
    Local Profiling ............................. Disabled
     DHCP ....................................... Disabled
     HTTP ....................................... Disabled
Radius-NAC State............................... Disabled
SNMP-NAC State................................. Disabled
Quarantine VLAN................................ 0
Maximum number of Associated Clients............. 0
Maximum number of Clients per AP Radio........... 200
Number of Active Clients......................... 1768
Exclusionlist Timeout............................ 60 seconds
Session Timeout.................................. 28800 seconds
User Idle Timeout................................ Disabled
Sleep Client..................................... disable
Sleep Client Timeout............................. 12 hours
User Idle Threshold.............................. 0 Bytes
NAS-identifier................................... Cisco_cf:17:26
CHD per WLAN..................................... Enabled
Webauth DHCP exclusion........................... Disabled
Interface........................................ management
Multicast Interface.............................. Not Configured
WLAN IPv4 ACL.................................... unconfigured
WLAN IPv6 ACL.................................... unconfigured
WLAN Layer2 ACL.................................. unconfigured
mDNS Status...................................... Disabled
mDNS Profile Name................................ unconfigured
DHCP Server...................................... Default
DHCP Address Assignment Required................. Disabled
Static IP client tunneling....................... Disabled
Quality of Service............................... Silver
Per-SSID Rate Limits............................. Upstream      Downstream
Average Data Rate................................   0             0
Average Realtime Data Rate.......................   0             0
Burst Data Rate..................................   0             0
Burst Realtime Data Rate.........................   0             0
Per-Client Rate Limits........................... Upstream      Downstream
Average Data Rate................................   0             0
Average Realtime Data Rate.......................   0             0
Burst Data Rate..................................   0             0
Burst Realtime Data Rate.........................   0             0
Scan Defer Priority.............................. 4,5,6
Scan Defer Time.................................. 100 milliseconds
WMM.............................................. Allowed
WMM UAPSD Compliant Client Support............... Disabled
Media Stream Multicast-direct.................... Disabled
CCX - AironetIe Support.......................... Disabled
CCX - Gratuitous ProbeResponse (GPR)............. Disabled
CCX - Diagnostics Channel Capability............. Disabled
Dot11-Phone Mode (7920).......................... Disabled
Wired Protocol................................... None
Passive Client Feature........................... Disabled
Peer-to-Peer Blocking Action..................... Disabled
Radio Policy..................................... All
DTIM period for 802.11a radio.................... 1
DTIM period for 802.11b radio.................... 1
Radius Servers
   Authentication................................ Global Servers
   Accounting.................................... Global Servers
      Interim Update............................. Disabled
      Framed IPv6 Acct AVP ...................... Prefix
   Dynamic Interface............................. Disabled
   Dynamic Interface Priority.................... wlan
Local EAP Authentication......................... Disabled
Security
   802.11 Authentication:........................ Open System
   FT Support.................................... Disabled
   Static WEP Keys............................... Disabled
   802.1X........................................ Disabled
   Wi-Fi Protected Access (WPA/WPA2)............. Enabled
      WPA (SSN IE)............................... Enabled
         TKIP Cipher............................. Enabled
         AES Cipher.............................. Disabled
      WPA2 (RSN IE).............................. Enabled
         TKIP Cipher............................. Disabled
         AES Cipher.............................. Enabled
                                                               Auth Key Management
         802.1x.................................. Disabled
         PSK..................................... Enabled
         CCKM.................................... Disabled
         FT-1X(802.11r).......................... Disabled
         FT-PSK(802.11r)......................... Disabled
         PMF-1X(802.11w)......................... Disabled
         PMF-PSK(802.11w)........................ Disabled
      FT Reassociation Timeout................... 20
      FT Over-The-DS mode........................ Enabled
      GTK Randomization.......................... Disabled
      SKC Cache Support.......................... Disabled
      CCKM TSF Tolerance......................... 1000
   WAPI.......................................... Disabled
   Wi-Fi Direct policy configured................ Disabled
   EAP-Passthrough............................... Disabled
   CKIP ......................................... Disabled
   Web Based Authentication...................... Disabled
   Web-Passthrough............................... Disabled
   Conditional Web Redirect...................... Disabled
   Splash-Page Web Redirect...................... Disabled
   Auto Anchor................................... Disabled
   FlexConnect Local Switching................... Enabled
   flexconnect Central Dhcp Flag................. Disabled
   flexconnect nat-pat Flag...................... Disabled
   flexconnect Dns Override Flag................. Disabled
   flexconnect PPPoE pass-through................ Disabled
   flexconnect local-switching IP-source-guar.... Disabled
   FlexConnect Vlan based Central Switching ..... Disabled
   FlexConnect Local Authentication.............. Disabled
   FlexConnect Learn IP Address.................. Enabled
   Client MFP.................................... Optional
   PMF........................................... Disabled
   PMF Association Comeback Time................. 1
   PMF SA Query RetryTimeout..................... 200
   Tkip MIC Countermeasure Hold-down Timer....... 60
   Eap-params.................................... Disabled
AVC Visibilty.................................... Disabled
AVC Profile Name................................. None
Flow Monitor Name................................ None
Split Tunnel (Printers).......................... Disabled
Call Snooping.................................... Disabled
Roamed Call Re-Anchor Policy..................... Disabled
SIP CAC Fail Send-486-Busy Policy................ Enabled
SIP CAC Fail Send Dis-Association Policy......... Disabled
KTS based CAC Policy............................. Disabled
Assisted Roaming Prediction Optimization......... Disabled
802.11k Neighbor List............................ Disabled
802.11k Neighbor List Dual Band.................. Disabled
Band Select...................................... Disabled
Load Balancing................................... Disabled
Multicast Buffer................................. Disabled
Mobility Anchor List
WLAN ID     IP Address            Status
802.11u........................................ Disabled
MSAP Services.................................. Disabled
Local Policy
Priority Policy Name

As long as you take the configuration backup downgrading from 7.6.100.0 to 7.4.121.0 should be fine. Because this is Flexconnect deployment, make sure you review the release notes thoroughly as config like vlan mapping is impacted it is painful to reconfigure.
I still think moving to 7.6MR3 & once 8.x get stable going for that code is a good plan. Though 7.4.121.0 is assure wave it does not mean it has no bugs.(remember that prior to this 7.4.110.0 was assure wave & it deferred in quick time) . I would say 8.x going to be the code staying for long time period, so ultimately you have to be there.
In 8.x there are few FlexConnect improvements,one being AP won't reload when you change from local mode to FlexConnect.
HTH
Rasika
**** Pls rate all useful responses ***

Cisco Flex 7500 and anchor

Hello, I couldn't find this on the Cisco Flex 7500 specs
http://www.cisco.com/en/US/partner/prod/collateral/wireless/ps6302/ps8322/ps11635/data_sheet_c78-650053.html
Do anybody know if I can set up an anchor mobility group between the Flex 7500 and the WLC 5508?
Kind regards

Yes, 5508 can be used as anchor controller for static anchoring while 7500 as foreign using central swtiching.
For Mobility:
Fault Tolerance
It is recommended to use Flex 7500 as both the primary and backup controllers.
Flex 7500 primary and backup controllers must be in the same mobility domain.
Ref:
http://www.cisco.com/en/US/products/ps11635/products_tech_note09186a0080b7f141.shtml

WLC 5508 and Flex 7500

Hi,
I am going to deploy 5508 with 12 AP version now..
In future, we are going to get another Cisco Flex 7500 Series Cloud Controller.
My question is can 5508 run N+1 redundancy with 7500? or is there any best practice or upgrade path avail?
Thanks,
John

My understanding is that the 7500 cloud controller is for H-REAP only implementations and if it could be used as an N+1 (which I haven't heard it can) like Leolaohoo said it'd only be useful for your H-REAP access points and not your local mode ap's.. they are intended for drastically different network topology and scenarios.

My iPhone 5 will no longer connect via bluetooth to Fitbit Flex or wireless headset

My iPhone 5 will no longer connect via bluetooth to my Fitbit Flex aftering updating to ios 7. Apple phone support had me completely erase and set my phone up again as new to restart bluetooth pairing, then restore again through iCloud. Worked last night but same problem today. It also will no longer connect to my wireless headset in my car. Of course I'm now 5 days over my 1 year warranty as well. Any ideas?

Delete the pairing from both devices then pair them again.

Flex 10 wireless disconnected

The wireless connectivity on my Flex 10 has stopped working since we had a Windows update a few days ago (some time between 15 and 20 November). I can't find any way to fix it. Anyone else having this issue? I have re-started the computer several times. Lenovo refers to a "switch", but I can't find one on this model. Airplane mode is off. The computer just seems to be denying that it has wireless connectivity. The troubleshooter is no help at all.

Specifically, I recommend setting a static IP address for the printer:
- Print a Network Config Page from the front of the printer. Note the printer's IP address.
- Type that IP address into a browser to reveal the printer's internal settings.
- Choose the Networking tab, then Wireless along the left side, then the IPv4 tab.
- On this screen you want to set a Manual IP. You need to set an IP address outside the range that the router automatically sets (called the DHCP range). If you do not know the range, change the last set of numbers (those after the last '.') to 250
- Use 255.255.255.0 for the subnet (unless you know it is different, if so, use that)
- Enter your router's IP (on the Network Config Page) for the gateway.
- Enter 8.8.8.8 for the first DNS and 8.8.4.4 for the second DNS.
- Click 'Apply'.
Now, shut down the router and printer, start the router, wait, then start the printer.
After this you may need to redo 'Add a Printer' using the new IP address.
Life is too serious to be taken seriously

Westell 7500 Wireless modem/router help please.

Hi, newbie here
I recently purchased a laptop for the first time in my life and I am trying to connect it to a wireless connection, which I have never done as well. I am using a Westell 7500 modem provided to me by Verizon. I did a bit of researched and apparently (if I'm correct) I don't need a wireless router or any other devices to get wireless internet.
If I am correct, I went to my modem's IP address and turned on wireless. I set up and changed the SSID and enabled a pass phrase, and I connected to the network at the bottom right. It connects, but there is no internet connection. What I mean by this is that it connects to the device successfully, but there is a triangular yellow warning sign with an exclamation mark on my internet bar at the bottom right and in my "Network and Sharing center" it says "no internet access."
Am I doing something wrong or do I need to buy an wireless router? Any help would be appreciated, thanks.

You do not need to buy a wireless router. the 7500 will do the job! I assume you have windows 7. OPen network and sharing center, manage wirleless networks, do you have any entries for your Verizon ISP? If yes delete the entry and go to step 2.
If no go to desktop and press f1 to bring up help - search for (Setp 2) "set up wirless network" and let us know if that works for you. Welcome to the forum
If a forum member gives an answer you like, please give them the Kudos they deserve. If a member gives you the answer to your question, mark the answer as Accepted Solution so others can see the solution to the problem. Thanks !!!
http://forums.verizon.com/t5/Verizon-net-Email/Fix-for-Missing-Inbox-sent-folders-etc-with-Internet-Explorer-11/m-p/647399

Ideapad Flex 15 wireless problem

My wireless internet frequently cuts off showing the no connectivity image at the bottom right hand corner.
I have updated the driver and even uninstalled it, though it did not help in both cases.
I uninstalled most of the software that came with notebook, such as McAfee anti-virus and other programs that may affect my wireless connection.
I can regain internet access by simply disconnecting and reconnecting, however this is not a long term solution.
Windows doesn't seem to attempt to reconnect either.
I tried most of the common methods and I'm seeking some other ideas.
I'm using Windows 8.1 and I've also experienced this problem with Windows 8.
In addition, I've tried three different wireless internet connections; I don't believe it to be a router problem.
The hardware is: Intel Wireless-N 7260

Try to use the driver here: http://support.lenovo.com/en_US/downloads/detail.page?DocID=DS036494
If that drivers don't work, it might be because you upgraded to 8.1. Try the Yoga 2 Pro's drivers instead since they both share the same WiFi card: http://support.lenovo.com/en_US/downloads/detail.page?DocID=DS037481
Lenovo Y470: i7-2670QM | 8 GB DDR3 1333 MHz RAM | Nvidia GeForce GT 550M | 500 GB 7200 RPM Seagate HDD | ASUS PCE-AC56 802.11ac Network Adapter | Windows 7 Professional 64-bit

Will the Westell 7500 wireless work with the Roku 2 XD Player?

I've never used the wireless router before. I got it from Verizon years ago and it's sat untouched in a box. I'm sorry if this has been addressed before but I couldn't find the post. I need to find out if the router is compatible and how to set the two systems up before I go out and buy the Roku.

Yes it will work wireless(wifi), the roku supports wireless.

HREAP Groups and AP limitations

Hi,
We have deployed the latest WiSM2 controllers, 3500i APs and WCS v7. Currently the HREAP Group limitation is set to 25, does anyone know if this will increase anytime soon ?
I want to allow fast roaming across multiple floors in a building so I need to cache the CCKM on more than 25 APs within the building to allow seamless roaming.

Hi there,
I believe that Cisco has addressed this with the release of the;
Flex 7500 Wireless Branch Controller
This table highlights the scalability differences between the Flex 7500 and WLC 5500 controller:
Scalability Flex 7500 WLC 5500
Total Access Points
2,000
500
Total Clients
20,000
7,000
Max HREAP Groups
500
100
Max APs per HREAP Group
50
25
Max AP Groups
500
500
http://www.cisco.com/en/US/products/ps11635/products_tech_note09186a0080b7f141.shtml#sap
I'm not sure i see any other way of doing what you need currently
Cheers!
Rob

Best wireless deployment at Remote Sites - designe

Dears,
I have many remote sites with Hub and Spoke topology, and I have Cisco wireless controller 5508 on our HQ serve the wireless network at HQ (approximate 25 Aps)
The business need to deploy the wireless on RSs for public customer (not for employees).
I have concerns about security if we going to terminate the SSID - for public- at Remote sites toward HQ over WAN connections (viruses, malware, sniffing … etc.) to control it using our Cisco wlc even if I terminate the vlan represented this SSID toward our firewall (on dedicated DMZ), and congestion will happen since this SSID will be used by the public (Non-employees persons).
Please your kind suggestion.
Thanks in advance

Hi,
For you scenario.
Below deployment will work
http://www.cisco.com/c/en/us/support/docs/wireless/flex-7500-series-wireless-controllers/113605-ewa-flex-guide-00.html

Need advice for wireless iTunes access (have router already)

I'm having a hard time sifting through all the info to find the best solution. I have a MacBook Pro that I'll soon be upgrading to Lion from Snow Leopard, as well as an iPhone, with a second iPhone soon to enter the family. We also plan to get an iPad. We actually have an older iMac that we won't be upgrading, so we're going to move our iTunes library from the iMac over to the MacBook (basically turning the MacBook into our primary computer). We want to be able to play iTunes without having to keep the MacBook plugged into wired speakers. That seems a bit pointless.
We have a wireless router already (a D-Link), so I don't need AirPort Express to act as a router. (We have a 1 bedroom condo, really no reason to extend the network or anything like that.) We have a printer that works wirelessly with the MacBook already. All I'm really trying to figure out is the best way to set it up so that we can have iTunes on the MacBook, playing over speakers (either the ones we currently have our iMac plugged into, or our stereo speakers that we have our TV setup with). Ideally if we could do the same from the iPhone and (future) iPad, that would be great, too.
Does it make any sense for us to get an AirPort Express to do this, or would it just be more straightforward to get wireless speakers that can work over Bluetooth (like the Creative D200 ones in the Apple store)? I feel like the AirPort has the potential to be overkill for our usage, especially since I can't seem to figure out if you can use AirTunes with an iPad, and we don't need it for the wireless printing functions.
Any advice would be appreciated. Thanks in advance!

Thanks Leo! Yeah, I was confused about the 2500 series too because they push the Flex 7500 so much as the "real" solution.
Now that I'm looking in the right spot, it looks like NCS Prime Infrastructure is for the serious folks and we could probably get away without it, right? So that would leave the access points, the controller, and the basic network stuff.

Wireless Management - Local Controller vs. Cloud

Good afternoon,
We are currently looking to upgrade (re-design) our wireless network at our college.
I was curious if anyone had any experience going from a local, controller-based wireless network to a cloud-based controller? If so, what have you found the pros and cons to be?
If you thought about going to a “cloud solution”, what stopped you?
In addition, any other feedback on Meracki, Aerohive, Aruba, or other solutions would be much appreciated.
About Us
We are currently running wireless at our 3 primary campus locations, and looking to add it to our 3 satellite locations.
We use 4402 WLCs at our primary locations with a mix of 1140 and 1240 APs.

The advantage of using local controller are
1.Lower Operational Expenses
2.Easier Way to Scale with Optimal Design
3.Single Location to Apply Wired and Wireless Services
In addition, certain controllers, such as Cisco Wireless Services Module (WiSM) blades on the Cisco Catalyst® 6500 Series Switches, perform various other functions, including application inspection using the Cisco Network Analysis Module, enhanced security with a full stateful firewall and intrusion detection system, and more. Placing the controller in a centralized location simplifies N+1 or N+N redundancy, depending on the size of the network. This redundancy means that for each wireless controller (N) there is at least one backup controller (+1). The backup controller is not positioned to actively contribute to normal system operation but provides a reliable way to protect the network in case of any failure or downtime on the component being used to manage network access
The advatage of using cloud based controller
1.The Cisco Flex 7500 Series Cloud Controllers are used for this.
2.you can consolidate multiple controllers in to one controller with support up to 6000 access points and 64,000 clients from data center
3.Gain significant saving in operatins by configuring , managing and troubleshooting 6000 AP's and 64,000 clients in single pint of touch
4. When traffic is directed to the controller in FlexConnect Central switched mode, the Flex7500 Series supports Application Visibility and Control (AVC). AVC includes the NBAR-2 engine, Cisco's deep packet inspection (DPI) capability that classifies applications, applies quality of service (QoS) to either drop or mark the traffic, and prioritizes business-critical applications in the network. AVC uses NetFlow Version 9 to export the flows. The Cisco Flex 7500 Series in central switched mode also supports Bonjour Services Directory to enable Bonjour Services to be advertised and utilized in a separate Layer 3

Wireless Clients can't connect post WLC Upgrade to version 7.4.100.0

Upgraded WLC Flex 7500 controller to: 7.4.100.0
Previous WLC Controller version: 7.2.111.3
After the upgrade, all AP's reported back to the controller and looked like working. We have 50+ branch sites that connect back via Layer 2 to the main office. The main office SSID's were broadcasting and users could connect and get the proper IP's. Users that connected back through FlexConnect AP's couldn't obtain an IP address. The client would authenticate to the WLC and accept the SSID key, but would not get an IP address. I see with the 7.4.100.0 upgrade there are more options for DHCP for each interface, which we don't use interfaces for all sites as we did in the early days, now we make sure the flex connect tab has the vlan identifier in the tab and the traffic goes out the local firewall etc. Each remote site has a Linux based firewall and DHCP server.
Looking for any insight with the 7.4.100.0 upgrade that may cause clients to not connect and obtain an IP address.
We have since back dated our WLC Software to: 7.2.111.3 to allow things to work pre upgrade which everything worked fine.
Any suggestions would be great, we had to upgrade version 7.4.100.0 to support our AP 1602.
Thanks in advance.
Matt

Verify that you have an upgraded FUS image. Second, make sure your WLAN to vlan mapping on the FlexConnect AP's have the correct vlan mapping. I have seen these change to the default vlan mapping.
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Flex 7500 Wireless SFP

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