We have a topology where APs (2602i) in each location planned to be on a different subnet in a centralized deployment model with 5760 controllers. APs will receive IPs from the Windows DHCP server. Option 43 configured with proper IPs of the controllers in hex. Unfortunately, APs won't join the controller when they are in their planned subnets, and of course, they join without problem when we add APs to the management subnet of controllers.  The software version of the controller is 03.07.05E.   Please see the output of "debug capwap ap errors" command below. 344196: May 22 09:43:36: %IOSXE-7-PLATFORM: 1 process wcm: 1cde.a7ef.4ad0 Ignoring unsupported vendor-specific message 0x00409600-0088-Call AP System Stats Payload from AP 1cde.a7ef.4ad0 344197: May 22 09:43:36: %IOSXE-7-PLATFORM: 1 process wcm: 1cde.a7ef.2270 Ignoring unsupported vendor-specific message 0x00409600-0088-Call AP System Stats Payload from AP 1cde.a7ef.2270 344198: May 22 09:43:37: %IOSXE-7-PLATFORM: 1 process wcm: 1cde.a7ef.2e20 Ignoring unsupported vendor-specific message 0x00409600-0088-Call AP System Stats Payload from AP 1cde.a7ef.2e20 344199: May 22 09:43:37: %IOSXE-7-PLATFORM: 1 process wcm: 5067.ae06.a580 Ignoring unsupported vendor-specific message 0x00409600-0088-Call AP System Stats Payload from AP 5067.ae06.a580 344200: May 22 09:43:37: %SYS-5-CONFIG_I: Configured from console by admin on vty0 (172.31.255.2) AVLWLC001# AVLWLC001# 344201: May 22 09:43:37: %IOSXE-7-PLATFORM: 1 process wcm: 5067.ae30.0490 Ignoring unsupported vendor-specific message 0x00409600-0088-Call AP System Stats Payload from AP 5067.ae30.0490 344202: May 22 09:43:37: %IOSXE-7-PLATFORM: 1 process wcm: 1cde.a7ef.4c60 Ignoring unsupported vendor-specific message 0x00409600-0088-Call AP System Stats Payload from AP 1cde.a7ef.4c60 AVLWLC001# 344203: May 22 09:43:38: %IOSXE-7-PLATFORM: 1 process wcm: 1cde.a7ef.2530 Ignoring unsupported vendor-specific message 0x00409600-0088-Call AP System Stats Payload from AP 1cde.a7ef.2530 AVLWLC001# 344204: May 22 09:43:39: %IOSXE-7-PLATFORM: 1 process wcm: UDP: sent src=0.0.0.0(5246), dst=10.99.0.136(44122), length=122 344205: May 22 09:43:40: %IOSXE-7-PLATFORM: 1 process wcm: 1cde.a7c5.b100 Ignoring unsupported vendor-specific message 0x00409600-0088-Call AP System Stats Payload from AP 1cde.a7c5.b100 344206: May 22 09:43:40: %IOSXE-7-PLATFORM: 1 process wcm: UDP: sent src=0.0.0.0(5246), dst=10.100.21.11(47713), length=122 AVLWLC001# 344207: May 22 09:43:40: %IOSXE-7-PLATFORM: 1 process wcm: 1cde.a7ef.4c00 Ignoring unsupported vendor-specific message 0x00409600-0088-Call AP System Stats Payload from AP 1cde.a7ef.4c00 AVLWLC001# 344208: May 22 09:43:44: %AUTHMGR-4-UNAUTH_MOVE: (slow) MAC address (50bc.965c.48c6) from Ca9 to Ca8 AVLWLC001# 344209: May 22 09:43:55: %AUTHMGR-4-UNAUTH_MOVE: (slow) MAC address (60a4.d0fd.3719) from Ca13 to Ca8 AVLWLC001# 344210: May 22 09:44:05: %IOSXE-7-PLATFORM: 1 process wcm: 5067.ae30.0490 Received replay error(slot = 0, vapId = 0, count = 1) from AP 5067.ae30.0490 AVLWLC001# 344211: May 22 09:44:05: *%LWAPP-3-REPLAY_ERR: 1 wcm: Received replay error on slot 0, WLAN ID 0, count 1 from AP 5067.ae30.0490 AVLWLC001# 344212: May 22 09:44:09: %AUTHMGR-4-UNAUTH_MOVE: (slow) MAC address (30a1.fa0d.d6d4) from Ca17 to Ca15 AVLWLC001# 344213: May 22 09:44:09: %IOSXE-7-PLATFORM: 1 process wcm: 1cde.a7c5.87d0 Ignoring unsupported vendor-specific message 0x00409600-0088-Call AP System Stats Payload from AP 1cde.a7c5.87d0 AVLWLC001# 344214: May 22 09:44:11: %IOSXE-7-PLATFORM: 1 process wcm: 6c99.89b1.8f20 Ignoring unsupported vendor-specific message 0x00409600-0088-Call AP System Stats Payload from AP 6c99.89b1.8f20 AVLWLC001# ... View more

Hello,   We deployed the Cisco Mobility Express in a site several months ago. There are 3 APs joined. Currently, many clients complain that, when they try to join Wi-Fi, they have to enter password several times, before connecting. And some clients complain that, when they connect to Wi-Fi, their host lose connection after some minutes. I debugged one of the clients. The debug output and Mobility express configuration added to the attachment. ... View more

Hello,   We have 3650 switch acting as a wireless controller. We want to deploy VoIP Wireless solution with Cisco IP Phone 8821. But after configuring WLAN and other settings like DHCP, 8821 doesn't get an IP address. show wireless client summary command displays client stuck on IPLEARN state.   You can see WLAN config in the attachment.   Cisco Wireless IP Phone 8821 and 8821-EX Wireless LAN Deployment Guide doesn't list 3650/3850 controller solution as supported. Could it be a reason or not? ... View more

Hello, I would like to know if someone has a practice on port operations. Which antenna types  to implement for fast roaming in a huge area? ... View more

Hello, I have received 3702 AP from a customer, which is not registering on the controller. When I connect it to a switch, pink coloured LED lights. AP is not accessible via a console cable. Tried with different cables, switches, even with a power injector. The result is same. You can see AP photo and log info (when connected AP to a switch) file in the attachments. Any solution? ... View more

Hello people, I have a problem with 5760 web GUI access. I can ping the ip address, I can connect via telnet and ssh to CLI but no access to GUI. Any ideas what could prevent GUI access? ... View more