IMC+Wireless Portal authentication Failed(ERROR: UpCTL send resp failed)
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Network Topology
IMC---AC-----AP-----USERS
Problem Description
1.When you turn on "debugging portal all", there is no any portal related output infomation.
2.The rediraction is correct, means you can see "http://xxxx/portal" in your endpoint web browser, but the page can not be loaded.
3.All the output infomation is like below:
*May 22 10:30:45:779 2023 MSR810 PORTAL/7/EVENT: CfgSmooth msg proc, uiAcWebSvrCnt: 1, uiApWebSvrCnt: 1.
*May 22 10:30:45:780 2023 MSR810 PORTAL/7/EVENT: CfgSmooth msg proc, AC FreeRule Count: 3, AP FreeRule Count: 3.
*May 22 10:30:45:780 2023 MSR810 PORTAL/7/EVENT: CfgSmooth msg proc, Rcv msg info, ApMac: 00be-d573-a7c0, BssidCnt: 1.
*May 22 10:30:45:780 2023 MSR810 PORTAL/7/EVENT: CfgSmooth msg proc, Rcv msg info, ApMac: 00be-d573-a7c0, BssidCnt: 1.
*May 22 10:30:45:780 2023 MSR810 PORTAL/7/EVENT: CfgSmooth msg proc, AP 1 Bssid info need compare, AcBssidCnt: 1, ApBssidCnt: 1.
*May 22 10:30:45:780 2023 MSR810 PORTAL/7/ERROR: UpCTL send resp failed, APID: 1, Msg: 50, Ret: 1073807361.
Process Analysis
Root cause:
The client network subnet can not ping IMC address.
You can use "ping -a xxxx(client subnetwork) IMC" to check reachability at AC.
Solution
1.use "ping -a xxxx(client subnetwork) IMC" to check reachability at AC.
2.check routing issue.usually the problem is that IMC or management switch has no route to client sub-network.