what is XOR roam?

[Rps-Cheers]

HI everyone, I have problem that is Clients (dell notebook) always disconnect to SSID. i issue the debug client xx.xx.xx.xx.xx.xx,and i find the information as below: *apfOpenDtlSocket: Jul 16 10:28:46.259: [PA] 44:1c:a8:e3:bb:f5 Recevied management frame REASSOCIATION REQUEST on BSSID 70:0f:6a:0f:7a:ce destination addr 70:0f:6a:0f:7a:ce *apfMsConnTask_0: Jul 16 10:28:46.259: [PA] 44:1c:a8:e3:bb:f5 apfProcessAssocReq:Deny client assoc, Interface not found for vapId: 0 *apfOpenDtlSocket: Jul 16 10:28:46.260: [PA] 44:1c:a8:e3:bb:f5 Recevied management frame REASSOCIATION REQUEST on BSSID 70:0f:6a:0f:7a:ce destination addr 70:0f:6a:0f:7a:ce *apfMsConnTask_0: Jul 16 10:28:46.260: [PA] 44:1c:a8:e3:bb:f5 Processing assoc-req station:44:1c:a8:e3:bb:f5 AP:70:0f:6a:0f:7a:c0-01 ssid : zsfund thread:1eb8b7b0 *apfMsConnTask_0: Jul 16 10:28:46.260: [PA] 44:1c:a8:e3:bb:f5 Station: 44:1C:A8:E3:BB:F5 trying to join WLAN with RSSI -53. Checking for XOR roam conditions on AP: 70:0F:6A:0F:7A:C0 Slot: 1 *apfMsConnTask_0: Jul 16 10:28:46.260: [PA] 44:1c:a8:e3:bb:f5 Station: 44:1C:A8:E3:BB:F5 is not 11v capable and cannot XOR roam on AP 70:0F:6A:0F:7A:C0 *apfMsConnTask_0: Jul 16 10:28:46.260: [PA] 44:1c:a8:e3:bb:f5 Setting RTTS enabled to 0 *apfMsConnTask_0: Jul 16 10:28:46.260: [PA] 44:1c:a8:e3:bb:f5 Reassociation received from mobile on BSSID 70:0f:6a:0f:7a:ce AP ZSSH-AP-02 *apfMsConnTask_0: Jul 16 10:28:46.260: [PA] 44:1c:a8:e3:bb:f5 Station: 44:1C:A8:E3:BB:F5 trying to join WLAN with RSSI -53. Checking for XOR roam conditions on AP: 70:0F:6A:0F:7A:C0 Slot: 1 *apfMsConnTask_0: Jul 16 10:28:46.260: [PA] 44:1c:a8:e3:bb:f5 Station: 44:1C:A8:E3:BB:F5 is not 11v capable and cannot XOR roam on AP 70:0F:6A:0F:7A:C0 *apfMsConnTask_0: Jul 16 10:28:46.260: [PA] 44:1c:a8:e3:bb:f5 Global 200 Clients are allowed to AP radio *apfMsConnTask_0: Jul 16 10:28:46.260: [PA] 44:1c:a8:e3:bb:f5 Max Client Trap Threshold: 0 cur: 3 *apfMsConnTask_0: Jul 16 10:28:46.260: [PA] 44:1c:a8:e3:bb:f5 Rf profile 600 Clients are allowed to AP wlan *apfMsConnTask_0: Jul 16 10:28:46.260: [PA] 44:1c:a8:e3:bb:f5 override for default ap group, marking intgrp NULL *apfMsConnTask_0: Jul 16 10:28:46.260: [PA] 44:1c:a8:e3:bb:f5 Applying Interface(bg_client) policy on Mobile, role Local. Ms NAC State 2 Quarantine Vlan 0 Access Vlan 30 *apfMsConnTask_0: Jul 16 10:28:46.260: [PA] 44:1c:a8:e3:bb:f5 Re-applying interface policy for client *apfMsConnTask_0: Jul 16 10:28:46.260: [PA] 44:1c:a8:e3:bb:f5 10.100.0.109 RUN (20) Changing IPv4 ACL 'none' (ACL ID 255) ===> 'none' (ACL ID 255) --- (caller apf_policy.c:3092) *apfMsConnTask_0: Jul 16 10:28:46.260: [PA] 44:1c:a8:e3:bb:f5 10.100.0.109 RUN (20) Changing Url ACL 'none' (ACL ID 255) ===> 'none' (ACL ID 255),Default action is '0' --- (caller apf_policy.c:3112) *apfMsConnTask_0: Jul 16 10:28:46.260: [PA] 44:1c:a8:e3:bb:f5 10.100.0.109 RUN (20) Changing IPv6 ACL 'none' (ACL ID 255) ===> 'none' (ACL ID 255) --- (caller apf_policy.c:3133) *apfMsConnTask_0: Jul 16 10:28:46.260: [PA] 44:1c:a8:e3:bb:f5 apfApplyWlanPolicy: Apply WLAN Policy over PMIPv6 Client Mobility Type, Tunnel User - 0 *apfMsConnTask_0: Jul 16 10:28:46.260: [PA] 44:1c:a8:e3:bb:f5 Check the client SGT 0 policy and push it to AP 70:0f:6a:0f:7a:c0 *apfMsConnTask_0: Jul 16 10:28:46.260: [PA] 44:1c:a8:e3:bb:f5 In processSsidIE:6832 setting Central switched to TRUE *apfMsConnTask_0: Jul 16 10:28:46.260: [PA] 44:1c:a8:e3:bb:f5 In processSsidIE:6835 apVapId = 2 and Split Acl Id = 65535 I want to know the reason of clients disconnect,and what is XOR roam?Or,what is XOR?

[Leo Laohoo]

What is the model of the wireless NIC card and what the exact firmware of the wireless NIC card.

[Rps-Cheers]

Hi Leo,
thanks for your reply.
not sure yet,but customer told me the NIC have been upgarde the lastest version.
and then,do you know what is XOR?
thank you.

[Leo Laohoo]

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@Rps-Cheers wrote:
but customer told me the NIC have been upgarde the lastest version.

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Can the customer provide the wireless NIC model and the driver version?

[Rps-Cheers]

Hi ,

I am sorry for late reply, the laptop model is XPS 15 9550；the wireless NIC is Dell Wirelress 1830 and the version is 1.566.0.2，A07.

thanks and BR.

[andy!doesnt!like!uucp]

Hi dude

did u finally know what is XOR roam capability?

tnx in advance

[Rps-Cheers]

You can refer to my other discussion

https://community.cisco.com/t5/wireless/what-is-xor-in-wireless/m-p/3692077

Thx