Flexconnect roaming issues. APs are placed in the bldg.

Flexconnect roaming issues 190. Our authentication server is the same for both modes. 2. What was the solution you implemented to this? we are running win10 with latest drivers and 21H2 TCP IP Lib version and getting "EAPOL Invalid MIC" errors for most of the wireless clients doing 802. I would first take a look at the RF environment, get hold of a WiFI professional who can help to validate AP locations, Antenna locations or angles, power levels set in WLC, RRM settings in WLC etc, if you are comfortable with understanding all the Hi, I just want to verify why the below AP doesnt support flexconnect? I Have other AP's like that but it supports Flexconnect. So I'm suspecting it is a static mac address issue. The best example of this is a remote site, where you have APs you want to manage on your existing WLC, and you don't want to have to deploy a WLC to the remote site (adding cost) to get the wireless working and manageable. 1. Based on the information above, would you say that my assumptions are correct? Another idea I had is to disable layer 3 roaming and only allow layer Well TKIP should be disabled and FT only works with clients that support FT. 10. I've recently migrated one of my sites on to FlexConnect and users are reporting very poor experience with their WIFI mainly disconnecting when roaming (when the user I've been troubleshooting a roaming issue with some Lenovo laptops using Intel AX201 for the last 3 months. Here are some limitations for Flexconnect in a WAN failure scenario: FlexConnect Backup Scenario WAN Down Behavior (Bootup Standalone Mode) Central Switched WLANs will shutdown AIronet 1815i Cant reach WebGUI / Roaming Problems; Options. Also, FlexConnect doesn’t support layer 3 roaming in local switching. 802. Be aware that with FlexConnect the point-of-presence (PoP) of the client will move with every roam. Yes. need vlan. Collect syslogs from the controller buffer or the external syslog as dictated by the One day the network administrator in the remote office notices that the FlexConnect APs are operating in the standalone mode. The issue occurs on It also results in the clients sticking to very low RSS APs since the fast roaming is not working. It enables you to configure and We have lots of issue about voice quality and disconnection of voice. To avoid this issue, disable the ARP-caching option in the Flex profile. (Cisco Controller) > show ap dot11 5ghz optimized-roaming 802. x If you are using guest anchor between your 2504/4400 there may be issues if they are In either scenario, you would want to make sure this is NOT a L3 mobility roam (ie. 5 or 8. Subscribe to RSS Feed; Mark Topic as New; Mark Topic as Read; Float this Topic for Current User; Bookmark; Subscribe; Mute; Printer Friendly Page; 2288. 11. Chinese; EN US At the main campus we have a 5508 WLC with 85 LAPs and we don't have this issue. We are doing both local switching and local authentication. We have been dealing with a issue for a few months and Cisco are finding it hard to pinpoint the issue. Both APs are in the same FlexConnect group and site tag. The advantage of using Then navigate the FlexConnect tab and click Central DHCP Processing. Sobest practice for LAN users causes real problems for wireless users. there are about 11 aisles between 18 foot high metal racking. Post Reply Learn, share, save. This is just with PSK currently so I'm not very worried on issues ill have with 802. 130. Flapping events don't require ingress traffic alternating between ports -- a simple change from ingress of a MAC address on port A to port B on a switch quickly enough will cause a flapping event to be logged; for instance, a live migration of a virtual machine from one host to another will often cause a MAC flapping notification. Flexconnect locally Switching- Downstream trust. 1x+AES256, the devices are doing 802. Fast Transition is also enabled, although I'd prefer to not disable that one. FlexConnect AP Submode : None Location : default location Reboot Reason : Controller Reload command Primary controller Hello all, I am not sure if this is an issue or the way things actually work as this is the first time I have seen this issue. We are using Flexconnect with local switching, Fast Transition currently set to over the air but was originally set to over We have been dealing with a issue for a few months and Cisco are finding it hard to pinpoint the issue. 5 and later, only a FlexACL is required, and no standard ACL is needed. Views. Lenovo laptop running manufactyrer driver and Intel's generic drivers. EN US. Hi Everyone, I have a issue trying to deploy Flexconnect in WLC integrated with ISE. When connected to the controller, FlexConnect APs can tunnel traffic back to the controller. 0. Google Cisco l2 vs L3 roam to fully understand things like intra controller or inter controller etc. Level 4 In response to MrDude Yes there will be issues with roaming on campus networks if using flex. 11ax). The conditions: WLAN Infrastructure with Cisco AP4800 running IOS-XE code, AP in Flexconnect mode with local forwarding and local DHCP. That's the limitation. EN US For FlexConnect APs and related remote site tags, if seamless roaming is required, the limit is 100 APs per site tag (the same as for AireOS). Actually, yes, TKIP is also enabled. Sent from Cisco Technical Support iPhone App We’re running a distribution facility with a warehouse that has 40000 square feet. Central Authentication is supported. If your AP’s are local mode, that means all traffic come back to the wlc and users would roam between L3 subnet. Even though it worked, its not best practice as Apple devices have issues connecting with a mixed encryption. 1x FlexConnect refers to the capability of an Access Point (AP) to determine if the traffic from the wireless clients is put directly on the network at the AP level (Local Switching) or if the traffic is centralized to the 9800 controller (Central Switching). " After some research, I came across to this article Client Roaming Across Policy Profile suggesting that We’re running a distribution facility with a warehouse that has 40000 square feet. I don’t know how else you can improve the roaming as long as you have No matter what I try I can't get my Cisco Aironet system (currently running a Catalyst 9800-CL as the controller with 7 Catalyst 9130AIX APs) to fast roam 802. However, this option does not specify any issue related to FlexConnect mode, and it is unclear whether No matter what I try I can't get my Cisco Aironet system (currently running a Catalyst 9800-CL as the controller with 7 Catalyst 9130AIX APs) to fast roam 802. Hello everyone Roaming problems continue to arise despite strong signals I need help Below is a debugging of a specific client. 5 is far access point, 1 is nearest access point. Wireless network deployed as Flexconnect. 3"Client connections are restored only for locally-switched clients that are in You should be fine, as long as you are using flexconnect local switching. As site tags deal with roaming domain for FlexConnect AP, you need one site tag / flexconnect Hello everyone Roaming problems continue to arise despite strong signals I need help Below is a debugging of a specific client. association of roaming clients c. It`s numbered from 1 to 5. 352: [PA] e4:a7:a0:82:8f:c0 Updated existing pmk cache for client having username: HANDOK I've been working in some roaming issues during the last month with C9800 and today after talking to a BU guy he told me we are hitting defect id CSCwd91054. We recommend not configuring two SSIDs with the same name in the controller, which may cause roaming issues. NAC out-of-band integration is supported only on WLANs configured for FlexConnect central switching. We are currently running 17. We are using Flexconnect with local switching, Fast Transition currently set to over the air but was originally set to over Hello everyone, I'm currently managing a Cisco 9800-40 WLC running on version 17. For locally switched VLANs, the FlexConnect AP takes the DSCP value of the IP packet, processes any QoS policy (for example AVC policy), maps it to the 802. Nov 24, 2024. The problem I'm having is clients are dropping a lot of pings when it roams to a specific AP, CWA09P, I think my client is going through a full roam everytime it Hello all, I am not sure if this is an issue or the way things actually work as this is the first time I have seen this issue. 11r Fast Transition is not [] Solved: Hello, There is a remote site with 2 AP's in FlexConnect mode. 11i With 17. If you use dot1X the access-points should still be able to reach (some) RADIUS servers, if those are also located somewhere within the WAN there is no benefit. After the change, remote wireless users report voice quality issues and bad quality on wireless IP phones while roaming. 11ac Wave 2 or 802. These AP's are in a FlexConnect Group with local Radius server defined as the primary server in the Flex Group. If you encounter any A turnkey solution designed to enable seamless roaming across VLANs is therefore highly desirable when configuring a complex campus topology. After that, enable Central DHCP and NAT-PAT for the WLAN. 11i Fast as the Roam Type in the Mobility History indicates the OKC fast secure roam method for the client. Flex is really for small branch offices with uplink limitations and very small AP counts and where the controller is offsite. Level 1 Options. Issue the CLI “show flexconnect media client summary” to see the multicast transmission being classified as multicast direct/video Ok that all sounds good. 170. I can't remember is there were some issues with special characters within psk and/or flexconnect roaming issues. 11r in Flexconnect mode. For whatever reason, the clients at that remote Understanding Bridge Mode Mobility Deployments. If your client is CCX then you can see CCKM in use. Community. Is this normal behavior? Yes, this is normal behaviour, below is the 6th bullet points of "Guidelines & Limitations" section of Flex Connect in "Enterprise Mobility Design Guide 7. High RSSI/SNR (-48/40 on RAP, -62 MAP1, -70 MAP2) but terrible iperf3 numbers. I I. You can't seamlessly roam between them, but that doesn't sound like an issue for you Hello @Philanthropist . FlexConnect pros: 1) The ability to local off-load the client network traffic 2) Let the access-point perform the authentication itself while the connection with the controller is disconnected. Products (12) Cisco 9800 Series Wireless Controllers, Cisco Catalyst 9300 Series Switches, Cisco Catalyst 9400 Series Switches, Cisco Catalyst 9400 Supervisor Engine-1, Cisco Catalyst 9400 Supervisor Engine-1XL, Cisco Catalyst 9400 Supervisor Engine There are no other programs or websites that have this issue that we have found. When the client is roaming between the AP, (while in Because FlexConnect doesn’t support L3 roaming. We are runing a physical WLAN controller: AIR-CT5508-K9 and our APs are: AIR-CAP1602I-E-K9 The issue: We are experiencing random drops across out WLAN that uses 802. the bar joists are about 24 feet high. 4-GHz radio to the 5-GHz radio of the same access point Here is a log of a particularly bad client. The service from standalone AP to client is only This is a known issue. Using Meraki's secure auto-tunneling technology, layer 3 roaming can be enabled using a mobility concentrator, allowing for bridging across multiple VLANs in a seamless and scalable fashion. When the client is roaming between the AP, (while in I mean, is there a roaming problem is clients are roaming from 1 flexconnect AP to another flexconnect AP while the WLC is centralized on the HQ ? Reading the following, it is advised to deploy a local WLC on each branch location WPA2—To improve client roam times, WPA2 introduced key caching capabilities, based on the IEEE 802. whicih the most important thing is that we change AP mode to flexconnect technology, so all APs are autonomous but we lost advanced roaming feature provided by Wireless LAN FlexConnect is a wireless solution for branch office and remote office deployments. B. FlexConnect mode is a feature that is designed to allow specified CAPWAP-enabled APs to (Cisco Controller) > show ap dot11 5ghz optimized-roaming 802. All my APs are in local mode, but one (2802i), which is in Flexconnect Central switching. A FlexConnect access point without a controller connection does not perform band selection after a reboot. Cisco has also gathered data from customers and that was the decision on reducing the number of ports on the newer devices. If the problem appears again, please post the result of the debug here. This includes Local and Central data swtiching. If the ap looses the controller as an example, well the ap is told to send association request to the controller, but the controller is not reachable. MAC Filtering is not supported on FlexConnect access points in standalone mode. Hope all that makes sense. 11k. They must be added into AP groups along with a common RF profile. There will typically be central policy-based routing rules This is a known issue. The network cards are all Intel: N-6205, N-7260, AC-7265. Everything is setup correctly (all APs in same flexconnect group, etc. Crypto Thank you for having interest on this issue. issue: each vlan that is mapped just changes the vlan before it and does not script out an additional vlan mapped to the same SSID. Primary Design Requirements • Branch size that can scale up to 100 APs and 250,000 square feet (5000 sq. AIronet 1815i Cant reach WebGUI / Roaming Problems; Options. In a scenario where the roaming of a client between FlexConnect mode AP and Local mode AP is not supported, the client may not get the correct IP address due to VLAN It appears that the Flex AP's will do a radio reset (radio interface not AP) when moving back to connected mode. Product ID AIR-CAP2602E-T-K9 Version ID V01 Serial Number Entity Name Entity Description Certificate Type FlexConnect Mode supported No Have a WGB over Mesh in a high noise environment (railyard) and running into roaming issues. There were no complaints or issues about wireless until Zoom exploded in use. Fast roaming is achieved by caching a derivative of the master key from a full EAP authentication so that a simple and secure key exchange can occur when a wireless client roams to a This is a known issue. In a cisco best pratice for flexconnect I saw that the option DHCP Addr Assignment required must be disable. Hi, I have upgraded my WLC to v8. Fast roaming is achieved by caching a derivative of the master key from a full EAP To use CCKM fast roaming with FlexConnect access points, you must configure FlexConnect Groups. This is a known issue. Before we dive into specific features and protocols, let’s go over the two categories to consider when implementing roaming methods. WLC is running code 8. 4-GHz radio to the 5-GHz radio of the same Good Afternoon, I was hoping someone might be able to shed some light on an issue we are having. Debug an IP assignment issue when DHCP is used by entering these Hi @Jason_jm, We are also experiencing the same issue with Intel NIC sending two PMK IDs causing Access point to sending the de-auth during fast roaming. CSCun20768 - Clients are unable to associate to flex mode local switching WLAN. When we have our WLAN set to Central Authentication the clients stay connected with much longer UP times than when we have it set to Local AUTH. 7 To avoid this issue, disable the ARP-caching option in the Flex profile. the total building size is about 48k sq feet but the office area is in a corner that eats up about 7-8k square feet. HW Address Life Time(s) BSSID R0KhId R1KhId vlanOverride aclOverride ipv6AclOverride qosOverride iPSK. 4), Flexconnect, with Flexconnect groups, WPA2-Enterprise, 802. If there are areas where roaming is not important, like between buildings or there is a gap in wireless coverage, maybe between floors, that is where you can logically have different ap's in different FlexConnect groups. This is an issue when the WLC is somewhere out on the WAN and a wireless client on one VLAN is trying to use a local resource on a different VLAN - all that traffic making a round trip between the local network and the remote WLC. 2. 3 and what we found is the 2702 and 2802 models are dropping packets, when they are This is a known issue. We have a Cisco 5508 controller and use Flexconnect for our APs at our remote locations connected back to the controller here. WLC code is 16. The band-selection algorithm directs dual-band clients only from the 2. frame translation to other protocols b. Mobility / Roaming Scenarios In the wireless world, this causes problems if you want users while roaming to keep real-time applications up and running. When you enable local switching on policy profile for FlexConnect APs, the APs perform local switching. GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla. Seems like maybe the design and implementation was not done properly. When clients attempt to roam, I receive a message indicating that the client was deleted with the reason "roam across policy profile deny. Any Ideas ? Here is a Client debug log from WLC, when the issue (roaming) occurs: Hello, I have very strange issue with vWLC controller and 1832 access points. AP's are in Flexconnect Mode an locally switched. Which two functions can these APs perform in this mode? (Choose two. We have been struggling to get Philips Intellivue MX40 and X2 to stay connected without any drops on a shared SSID using WPA2 AES EAP with PKC/OKC. NAC out-of-band integration is supported only on WLANs configured for FlexConnect We need to use Flexconnect with Local Authentication because one of our requirements is to use AP Local Authentication, but as you said FlexConnect Groups are Yes there will be issues with roaming on campus networks if using flex. As you can see on Intel's community, there are some threads about L3 connectivity issues when roaming. Not all clients support the enhancements. The issue occurs on We recommend not configuring two SSIDs with the same name in the controller, which may cause roaming issues. they are set to Flexconnect BUT we don't have any profiles or anything setup in Flexconnect so I Cantral assoc allows the WLC to handle client reassociation and security key caching primarily for fast roaming. In that case please provide a " debug client clientmacaddress" on the WLC from an affected client while he is roaming. We were asked to have roaming be as seamless as possible so our choice was the 50 ap per flexconnect group limit or having issues with VLAN hopping as people moved throughout the building. With regards to H-REAP/FlexConnect, in 7. 4a, and I'm facing a client roaming issue. APs that operate in FlexConnect mode cannot detect rogue APs. 120. I've been having this issue as far as I can remember. AP a AP b FlexConnect •FlexConnectOverview,onpage1 •GuidelinesandRestrictionsonFlexConnect,onpage7 •ConfiguringFlexConnect,onpage9 FlexConnect Overview Note: An issue with FlexConnect APs is that you must create a FlexConnect ACL separate from your normal ACL. EAP LEAP method is not supported. I think the issue is if you are running locally CSCud44269 - Roaming breaks for clients associated to the access point. The symptoms: 802. 0 from 7. switching client data traffic locally FlexConnect •FlexConnectOverview,onpage1 •FlexConnectSwitchingModes,onpage6 •FlexConnectOperationModes,onpage6 •FlexConnectVLANsandACLs,onpage7 Controller and AP on the infrastructure side—FlexConnect AP mode (central authentication, local switching), the following IOS-based platforms are supported: IW3702, 2700, 3700, and 1570 series. 0 Example below AP group 1 WLAN1 - Test1 WLAN2 - Test2 AP group 2 WLAN1 - T FlexConnect is a wireless solution for remote office deployment. Using Meraki's secure auto-tunneling technology, layer 3 roaming CCKM/OKC Fast Roaming. The standard doesn't support a mix. Distance between APs is not more than 15m. We did have similar issues wit I have a situation where I need to advertise WLAN1 along with our standard WLAN2 in one area, while the rest of the area would just have our standard WLAN1. And client roaming over the distributed system on FlexConnect is only supported on APs within the same FlexConnect group IIRC which in some In either scenario, you would want to make sure this is NOT a L3 mobility roam (ie. 9. Log In. CSCuj61455 - Clients get disconnected from FlexConnect AP. For Wi-Fi Protected Access version 2 (WPA2) in FlexConnect standalone mode or local-auth in connected mode or CCKM fast-roaming in connected mode Hi collegues. s 40 through 48 added. Selected Answer: C. For Wi-Fi Protected Access version 2 (WPA2) in FlexConnect standalone mode or This is a known issue. 11r Fast Transition is not [] Tampa FlexConnect AP Group - all AP's belong to it. 1x roaming at the moment (that is a later problem but hopefully those 3500s and 2600s will be replaced by them) This is just a temporary problem which i have couple solutions such as just finding the money so that we dont have a mix environment or moving access Bias-Free Language. 4. FlexConnect Groups allow for roaming to happen as long as the user traffic stays on the same vlan. My APs Wired LAN has its own VLAN per switch. From CLI: # show clock Step 2. 11r FT. Roaming is completely invisible to the client unless its Zoom. Review the flexconnect guide and make sure you understand the various scenarios and limitations specified in that guide. Philips X3 models have no issues at all. Sometimes when clients move from their main office to a satellite building their laptop does not work. ) In local mode fast roaming works fine and there are not issues, but it presents a separate set of problems for us since we designed the system to be in local mode. Fast Roam (1) Fast Roam (1) Full Auth (1) Fast Roam: Fast Roam: Full Auth your 4400 can't support anything higher than 7. For OKC, fast roaming is supported between APs in different FlexConnect groups (because key I have 7 2602I access points deployed and operating in FlexConnect. I would highly recommend to upgrade before troubleshooting and maybe calling TAC case if needed . In bridge mode deployments, it is possible to deploy more than one AP in a single location. Now to the issue: Download speed is around 500Mbit (i can accept that) but my upload speed is about 1-2mbit. Why it's like that, maybe because of the CPU and memory on an Access point. You "are" limited to 100 per site, but it doesn't mean you can't have more than one FlexConnect group per site. This example shows how to configure Central DHCP for just one FlexConnect group. For Wi-Fi Protected Access version 2 (WPA2) in FlexConnect standalone mode or local-auth in connected mode or CCKM fast-roaming in connected mode Cisco phones require CCKM for fast roaming. x out which fixes the Android 10 compatibility issues. The APs are FlexConnect but the Guest Network is Central. As of release 17. 11k Clients You can optimize roaming for non-802. Business, Economics, and Finance. Chinese; EN US In FlexConnect environments (especially where roaming is expected between floors) wireless VLAN has to span across multiple switch stacks. The vlan these use Buy or Renew. 3. For Wi-Fi Protected Access version 2 (WPA2) in FlexConnect standalone mode or local-auth in connected mode or CCKM fast-roaming in connected mode Hi Everyone, İ have 5500 series Central WLC, and there are flex mode access points on several sites, then our company start to use a Microsoft Lync 2013 over wifi connectivity, in our location there are aps which working as local mode, and we first try Lync 2013 and we didnt face any connectivity Hello everyone, I'm currently managing a Cisco 9800-40 WLC running on version 17. Issue is with I've been working in some roaming issues during the last month with C9800 and today after talking to a BU guy he told me we are hitting defect id CSCwd91054. We're using 5508 WLCs version 8. we are using Flexconnect. The APs must be part of the same FlexConnect Group. I followed the 8821 Deployment Guide carefully. 11a OptimizedRoaming Mode : Disabled Reporting Interval A FlexConnect access point without a controller connection does not perform band selection after a reboot. ) a. " After some research, I came across to this article Client Roaming Across Policy Profile suggesting that AP's are in local mode connected to WLC2504 - no issues, roaming is fast, AAA auth works. CAT-NAU-F5-2#sh mac address-table interface gi1/0/37 - this is a port where Access Point is connected Mac Address Table Solving roaming issues by enabling FT is not going to be helpful much when your RF is not designed for optimum roaming. For Wi-Fi Protected Access version 2 (WPA2) in FlexConnect standalone mode or local-auth in connected mode or CCKM fast-roaming in connected mode Recently I was asked by a customer to provide a presentation on wireless roaming, specifically 802. Come back to expert answers, step-by-step guides, recent topics Aironet WGBs are not supported if the parent AP is configured for FlexConnect local switching with local authentication, if the parent AP is a Wave 2 AP (that is, 802. We A major difference: In "Local" or "Centrally Switched" mode, all traffic goes back to the WLC (controller) NO MATTER WHERE IT IS. . Debug an roaming issue by entering this command: debug mobility handoff enable. 133. It should soon be released. I have this problem too. Adjusted cell sizes (power levels, rx-sop) Optimized roaming, WGB roaming (mobile station). Always, when the Phone roams from AP1 to AP2, I have an Audio Gap of 1 Second. feet per AP) • Central management and troubleshooting . 1x and enable 802. If I disable FT+802. Debug an IP assignment issue when DHCP is used by entering these HEre you have some other limitations (or features) for flexconnect deployments: FlexConnect Feature Matrix This is a known issue. In FlexConnect local switching, you really want the ap to handle that not the controller. Sent from Cisco Technical Support iPhone App We recommend not configuring two SSIDs with the same name in the controller, which may cause roaming issues. 11r fast roaming is not supported if the client uses Over-the-DS preauthentication in standalone mode. 0 to 8. As Cisco bug is showing only the minor release wher A turnkey solution designed to enable seamless roaming across VLANs is therefore highly desirable when configuring a complex campus topology. To get around these issues, a seamless and fast roam is essential, and the same VLAN for the clients is required, which will require an L2 Roam. Well. The clients will associate but wont be able to get an IP address if you disable local switching. Every time they connect to a new AP on a different VLAN, then they will need to get a new IP address, which interrupts real-time apps. If you roam, you may need to acquire new IP address if the subnet is different for the new VLAN. 352: [PA] e4:a7:a0:82:8f:c0 Updated existing pmk cache for client having username: HANDOK Flexconnect - Roaming issue due to PMKID mismatch at controller. The segmentation rules will be done at the SSID and applied by the AP. What's even strange is that I can't find the mac (0013. I can try disabling it if that makes a difference. FlexConnect with OKC Central authentication is supported. This has been working for a few days. in 7. 1, the limit has been increased to 300 APs per site tag leveraging the “Pairwise Master Key (PMK) propagate” feature, also called “FlexConnect High Scale Mode”. Well TKIP should be disabled and FT only works with clients that support FT. When you use WPA2-Personal. You can also test with one ap and actually see if the auditors theory is valid in your situation. Flexconnect, formerly H-REAP, is designed for remote access points. If you encounter roaming issues without security, then there are no fast-roaming methods to improve roaming, only methods in order to confirm if the WLAN/SSID setup and design are Solved: Hi All I've recently upgraded from 8. This can lead to MAC flaps, which is normal in this scenario but be aware of it. Would the APs be able to roam on WLAN1 This is on AireOS 8. FlexConnect Groups are required for CCKM/OKC fast roaming to work with FlexConnect access points. " After some research, I came across to this article Client Roaming Across Policy Profile suggesting that This is a known issue. Central switching is where it CAPWAP tunnels back To use CCKM fast roaming with FlexConnect access points, you must configure FlexConnect Groups. For Wi-Fi Protected Access version 2 (WPA2) in FlexConnect standalone mode or local-auth in connected mode or CCKM fast-roaming in connected mode It also results in the clients sticking to very low RSS APs since the fast roaming is not working. The conditions: WLAN Infrastructure with Cisco AP4800 running FlexConnect (previously known as Hybrid Remote Edge Access Point or H-REAP) is a wireless solution for branch office and remote office deployments. For Wi-Fi Protected Access version 2 (WPA2) in FlexConnect standalone mode or FlexConnect Groups and Fast Secure Roaming. When roaming across two APs in Fast roaming is achieved by caching a derivative of the primary key from a full EAP authentication so that a simple and secure key exchange can occur when a wireless client roams to a different access point. 11k neighbor list). For Wi-Fi Protected Access version 2 (WPA2) in FlexConnect standalone mode or FlexConnect •FlexConnectOverview,onpage1 •FlexConnectSwitchingModes,onpage6 •FlexConnectOperationModes,onpage7 •FlexConnectVLANsandACLs,onpage7 Buy or Renew. AP connected different switches ===== router - Switch A - Switch B. 0 and I now cannot get Flexconnect clients to work. I've Flexconnect is the AP bridges traffic locally. Total number of DOT11R cache entries: 0. 0. Update on new 9800-cl & FlexConnect slowness issues . I´d say that you need full authentication and i will explain why. 11k neighbor list request. Just to recap, we are migrating from physical 8510 WLC to 9800-CL VM WLC. With respect to client authentication (open, shared, EAP, web authentication, and NAC) and data Cisco phones require CCKM for fast roaming. Protocol-Flexible Authentication via Secure Tunneling) instead. 11i fast roaming without this issue is happening with wired clients also, not only with wireless. Otherwise it is simply OKC which is a fast-roam back (if client come back to original AP only roam will fast If you have the same vlan for an flex ssid for all waps on the same controller you won't see a L3 roam only l2 roam. 1x, recently enabled CCKM and 802. Also, L2 and L3 roaming between FlexConnect mode AP and Local mode AP are not supported. Discover and save your favorite ideas. Here are some limitations for Flexconnect in a WAN failure scenario: FlexConnect Backup Scenario WAN Down Behavior (Bootup Standalone Mode) Central Switched WLANs will shutdown We’re running a distribution facility with a warehouse that has 40000 square feet. please check some details in below . Central auth, conversely, handles the initial authentication. The auth method is WPA2-PSK. 0 Helpful Reply. It allows you to configure Access Points (APs) in remote Check the controller current time so you can track the logs in the time back to when the issue happened. CSCuj61455 - FlexConnect clients are being deauthenticated for an unknown reason This is a known issue. Please not that i dont have any policy server. 3. Chinese; EN US FlexConnect •FlexConnectOverview,onpage1 •FlexConnectSwitchingModes,onpage6 •FlexConnectOperationModes,onpage6 •FlexConnectVLANsandACLs,onpage6 FlexConnect with CCKM. 135. My personal experience with last migration, we replaced one complete building with Catalyst AP's in one downtime window and recovered all the Wave 1 and Wave 2 AP's. Fast roaming is achieved by caching a derivative of the master key from a full EAP I've been troubleshooting a roaming issue with some Lenovo laptops using Intel AX201 for the last 3 months. Thanks Francesco PS: Please don't forget to rate and select as validated answer if this answered your question if the client has a session to the controller, the client can roam to another AP seamlessly of course there are some conditions to be met, like the coverage area's of the AP's need to overlap. Not a clue Resolve wireless VoIP problems during Cisco 7925 phone roaming in FlexConnect mode with PEAP/WPA1-AES and CCKM setup. FlexConnect mode is used when the APs are set up in a mesh environment and used to bridge between each other. Solved! Go to Solution. I have a user with a new Windows 10 PC. A debug is performed, and it is noticed that the 802. That AP has OEAP enabled. This is similar to the FlexConnect Local Switching deployments. APs are placed in the bldg. re-association of roaming clients d. Each floor and remote sites are on different FlexConnect group Issue is only for SSID STAFF while SSID Hi, I have a problem with SSID that use EAP-TLS (Radius server NPS) when my computer change AP. 11k clients by generating a prediction neighbor list for each client without sending an 802. For Wi-Fi Protected Access version 2 (WPA2) in FlexConnect standalone mode or local-auth in connected mode or CCKM fast-roaming in connected mode Also do not deploy different AP models in one roaming domain, such as Catalyst 9100 AP's with Wave 1 or Wave 2 AP's in one single roaming domain. On the WLC enter: debug client heretheclientsmacaddress And then walk around with the client while the debug is running. WAN link latency prevents association time to a maximum of 2 seconds. 8. Issue the CLI “show flexconnect media client summary” to see the multicast transmission being classified as multicast direct/video When you turn off flexconnect local switching you are trying to enable Flexconnect Central Switching. Client roaming between 600 Series Access points is not supported. Wireless mgmt subnet on the wlc is largely irrelevant for flex roaming, unless doing like centralized auth with radius (NAS IP). considering user density and after a proper site survey. APs used: 9105AXI. We are running a 5508WLC and we have multiple sites. 6 I have not yet found a working solution for 802. I see that my computer lost connection and make a dhcp request and a new authentification. The first category of roaming methods are FlexConnect Groups are required for CCKM/OKC fast roaming to work with FlexConnect access points. This migration is also having us change to FlexConnect to avoid all that traffic going to my servers. 11x for authentication back to a RAIDUS server on Server 2012R2. A. we try several test that we are using 7. Cell boundary strength, ap density and antenna selection and interferers can also impact roaming problems. 1c. I know this isn't ideal, but given the hard preference for seamless roaming it seemed to be the only option. Buy or Renew. The FlexConnect •FlexConnectOverview,onpage1 •FlexConnectSwitchingModes,onpage6 •FlexConnectOperationModes,onpage6 •FlexConnectVLANsandACLs,onpage7 This is a known issue. This basically means that the used VLAN(s) should be available for every access-point and that the client's MAC address will move with every roam. What is the cause of the issue regarding the FlexConnect APs? A. When FlexConnect local switching is enabled, the clients are associated directly with the 802. If you use a supported FlexConnect AP, you would have to use FlexConnect with central switching to use multiple subnet. As Cisco bug is showing only the minor release wher In FlexConnect environments (especially where roaming is expected between floors) wireless VLAN has to span across multiple switch stacks. Fast secure roaming among FlexConnect APs is supported only if the APs are in non-default FlexConnect groups. Namely, the ones that aren't directly connected to your infrastructure. On our Aire-OS controller, we have an SSID that services wireless access points configured for Flexconnect and Local(central switching). FlexConnect Groups are required for Cisco's Centralized Key Management (CCKM) and Opportunistic Key Caching (OKC) fast roaming to work with FlexConnect APs. x If you are using guest anchor between your 2504/4400 there may be issues if they are This would include roaming as another example. The service from standalone AP to client is only 9120AX#show flexconnect dot11r. It was ok for 250 endpoints, but with more and more devices going wireless it's going to be a problem. Cisco IP phone 7925, according to documentation here states that this device is CCX4 capable. 0 on my WLC 5520. 4-GHz radio to the 5-GHz radio of the same We recommend not configuring two SSIDs with the same name in the controller, which may cause roaming issues. For Wi-Fi Protected Access version 2 (WPA2) in FlexConnect standalone mode or local-auth in connected mode or CCKM fast-roaming in connected mode Client A moves from Site A to Site B - layer 3 roaming not supported in Flexconnect mode so the client has to obtain another DHCP address and no NAT'ing is performed. Find the solution to voice dropouts and interruptions. Flex is really for small branch offices with uplink limitations and very small AP counts and where the controller is I've been troubleshooting a roaming issue with some Lenovo laptops using Intel AX201 for the last 3 months. For Wi-Fi Protected Access version 2 (WPA2) in FlexConnect standalone mode or Hello, I have a wireless network built with Cisco WLC 5520 (in HA), AP 3702 and AP 3802. Prerequisites Requirements. stock can change any given day, stored on multiple levels of the racking. 161. As site tags deal with roaming domain for FlexConnect AP, you need one site tag / flexconnect Once the client has been authenticated, roaming is only supported after the controller and the other FlexConnect access points in the group are updated with the client information. We are migrating from Aire-OS wireless controllers to IOS-XE and we are encountering a configuration issue. Roaming is a client decision, if the issue only seems to affect some of your clients, then take a look at the affected client configuration and driver versions and dig a bit deeper into the actual client behavior. For the purposes of this documentation set, bias-free is defined as language that does not imply discrimination based on age, disability, gender, racial identity, ethnic identity, sexual orientation, socioeconomic status, and intersectionality. APs in a remote office recently have been converted from local mode to FlexConnect to take advantage of the local switching. Mark as New; Bookmark; Subscribe; Mute; Subscribe to RSS Feed; Permalink; Print; Report Inappropriate Content ‎11-10-2016 02:55 AM - edited ‎07-05-2021 06:06 AM. This is actually a trick question. In the end I copied the WebAuth contents and hosted them locally on the WLC and it has worked around the issue, with clients roaming correctly. 0210. In WLC 7. Prediction Based Roaming - Assisted Roaming for Non-802. Noise floor seen as low as -76 regularly in low/mid -80s. FlexConnect refers to the capability of an Access Point (AP) to determine if the traffic from the wireless clients is put directly on the network at the AP level (Local Switching) or if the traffic is centralized to the 9800 controller (Central Switching). C. Cisco AP in FlexConnect mode loses the VLAN mapping after every reboot. Solved: Hello, There is a remote site with 2 AP's in FlexConnect mode. All the AP are in Flexconnect mode, and the policy on the WLAN is only configured in Central Authentication : WLC client roaming issue . AP is CAPWAP mode and IOS is 8. That's one of the many 9800 issues dealt with for now. Mobility / Roaming Scenarios Even if the latency is high, the client decide to roam without moving. 4. we have 2 WLC (CR5508), those are working as Active-Standby. authentication down, switch down—In this state, the WLAN disassociates existing clients and stops sending beacon and probe requests. FlexConnect WLAN/VLAN mapping to different networks). PMK rekey negotiations seems to be problematic with these types. Sent from Cisco Technical Support iPhone App I think D is the cause of the issue, as the WLC puts clients on the exclusion list because of multiple consecutive failed authentication attemps to the central authentication server, thus denying the client from the network. Where I'm at now I feel like this is a roaming issue. 140. Last Modified. 6. Hello everyone, I'm currently managing a Cisco 9800-40 WLC running on version 17. FlexConnect architecture is recommended for wireless branch networks that meet the following design requirements. Layer 3 roaming is not supported and there is also a limitation on the number of ap's in a flexconnect group. 110 software WLC firmware,but we cant solve this problems. 110. If the AP is part of the same FlexConnect group, fast secure roaming is In the wireless world, this causes problems if you want users while roaming to keep real-time applications up and running. They do not support 802. CLI: config ap flexconnect central-dhcp <wlan-id> <AP-name> enable override dns disable nat-pat enable Central DHCP per FlexConnect Group. Vlan switching is enabled. The access points and the controller are in differents network, the C9800 is running on a virtual machine on Microsoft Azure. This is a limit however and don't know if there will be a workaround. FlexConnect AP Submode : None Location : default location Reboot Reason : Controller Reload command Primary controller There are no other programs or websites that have this issue that we have found. Hello, I have some Cisco 2800 APs (AP2802E) setup as Flex connect with a AIR-CTVM-K9. It enables you to configure and control APs in a branch or remote office from the I was testing with a Nokia Lumia 920 (Windows Phone 8) and experiencing issues yesterday, however, as I said before it was working prior to enabling FlexConnect, and to the The latest image has fixes to several phone related issues like: poor roaming, one way audio, phone freeze/hang/crash and phone deregistration issues. Traffic flow is AP Management via CAPWAP to vWLC. e4:a7:a0:82:8f:c0 PMK: Sending Flexconnect group cache delete message to spam task *Dot1x_NW_MsgTask_0: Nov 07 13:27:00. Issue is with clients on Windows and appears as disconnecting from nearest access point and connecting to far access point. 11r fast roaming works only if the APs are in the same FlexConnect group. The conditions are fast roaming enabled and APs in Flexconnect mode, and Windows machines. Fast roaming is achieved by caching a derivative of the master key from a full EAP authentication so that a simple and secure key exchange can occur when a wireless client roams to a different access point. We have 5 access points installed in a row, one by one, with around 10-15 meters beetwen. Step 3 Issue the AP pre-image The roaming enhancements mentioned above are enabled automatically, with the appropriate CCX support. I wanted to share some of my presentation talking points at a high level with you. 11e WLC Flexconnect DHCP Issues Babcock NetworkTeam. We’re You should be fine, as long as you are using flexconnect local switching. 8 if possible. Therefore, APs in bridge forwarding mode support firewall session synchronization, which allows clients to retain their current session and IP address as they roam between different bridge mode APs on the same layer-2 network. 5344) of the device causing the flaps when I run the command 'show dot11 assoc' from my APs. x FlexConnect Group supports CCKM/OKC. 132 (this began before 7. For Wi-Fi Protected Access version 2 (WPA2) in FlexConnect standalone mode or local-auth in connected mode or CCKM fast-roaming in connected mode Hello, I have a wireless network built with Cisco WLC 5520 (in HA), AP 3702 and AP 3802. The conditions: WLAN Infrastructure with Cisco AP4800 running CCKM/OKC Fast Roaming. In a scenario where the roaming of a client between FlexConnect mode AP and Local mode AP is not supported, the client may not get the correct IP address due to VLAN I've been working in some roaming issues during the last month with C9800 and today after talking to a BU guy he told me we are hitting defect id CSCwd91054. This will cause major problems for all your clients as they will most likely end up talking on the new VLAN with their old IP address. 3 and what we found is the 2702 and 2802 models are dropping packets, when they are APs in a remote office recently have been converted from local mode to FlexConnect to take advantage of the local switching. Until then I suggest staying on 8. in 8. To support WPA2/AES with CCKM key cache, this documentation here states that the device needs to be CCX5. In the scenario, the users are working properly through the wireless network and they are able to authenticate, the NAC agent is invoked and everyone can get authorization access to the network using Radius NAC as Can you mark the questioned answered so it helps other when they search. 11i If your HP laptops are using Intel AX adapters, then there are some news about a defect that has been fixed in the latest Intel drivers 22. I need to map multiple vlan situated in different department to a single SSID in flexconnect mode. I would guess its a client issue. Hey r/Cisco - Small issue we have in our environment. The documentation set for this product strives to use bias-free language. We’re Buy or Renew. Mobility Roam Type : None Mobility Complete Timestamp : 02/28/2023 20:30:07 CET FlexConnect Data Switching : Local FlexConnect Dhcp Status : Local FlexConnect Authentication : Central I mean, is there a roaming problem is clients are roaming from 1 flexconnect AP to another flexconnect AP while the WLC is centralized on the HQ ? Reading the following, it is advised to deploy a local WLC on each branch location WPA2—To improve client roam times, WPA2 introduced key caching capabilities, based on the IEEE 802. I tr When a client associates to a FlexConnect access point, the access point sends all authentication messages to the controller and either switches the client data packets locally (locally switched) or sends them to the controller (centrally switched), depending on the WLAN configuration. Basically, a centralized storage of records that APs can reference. Labels: Labels: Catalyst Access Points process; for example a list of neighbor APs a client could roam to (this is provided via 802. Ven Taylor. The WLC expects that the redirect ACL returned by ISE is a normal ACL. In the wireless world, this causes problems if you want users while roaming to keep real-time applications up and running. From my experience and talking to a lot of my customers in the past, traffic that tunnels back to the controller has not been a major issue. Most of times the end-user perceive a drop in the signal followed by a disconnection, but this is only happening in L3 and There is a new beta of 8. The issue is the FlexConnect Group max at 25 AP's on the 5508 and there is no roaming support between FlexConnect groups. This issue is documented in Cisco Bug CSCue68065 and is fixed in Release 7. My APs Fast roaming is achieved by caching a derivative of the primary key from a full EAP authentication so that a simple and secure key exchange can occur when a wireless client roams to a different access point. I do not have a port security enabled, only DAI, but I tried to turn it off while t-shooting. Within close range of 4 WAPs, and it drops the connection for more than a few seconds when roaming. You can have some APs be flexconnect (local switching) and some be local using the same SSID. Make sure your WLAN is set up to allow local switching and the APs are set up as well. FlexConnect access points in standalone mode do not support CCX Layer 2 roaming. For Wi-Fi Protected Access version 2 (WPA2) in FlexConnect standalone mode or We are migrating from Aire-OS wireless controllers to IOS-XE and we are encountering a configuration issue. 11r/802. Clients that don't support FT will not connect. 5. This includes local and central data switching. My assumption at this point has to do with roaming since our therapists have to move between both floors. D. zhryeh rpnugbi wtood zsgz vfhzv lhmmw uoi xwd sjuj wjyjqet