03-15-2019 03:36 AM - edited 07-05-2021 10:03 AM
Hi Team,
We are getting below logs while connecting corporate SSID .
Mar 14 16:09:03 10.127.164.114 DE-FRAN-WLC-01: *dtlArpTask: Mar 14 17:07:50.638: %DTL-4-ARP_ORPHANPKT_DETECTED: dtl_net.c:3055 STA(Target MAC Address) [90:61:ae:3c:6f:cc, 0.0.0.0] ARP (op ARP REQUEST) received with invalid SPA(Source IP Address) 10.210.2.137/TPA(Destination IP Address) 10.210.0.1
WLC has image 8.3.143.0
Any specific reason for this log. Its happening to certain system on certain location. Those system till now is windows10. Not found till now issue with windows7
03-15-2019 04:18 AM
There's another post here in the community reagarding orphan packet, was solved by enabling Fast SSID change. You can check if it applies to you.
https://community.cisco.com/t5/wireless-and-mobility/orphan-packet/td-p/1976519
How to Enable Fast SSID change:
07-12-2023 02:40 AM
Already enabled fast ssid but still users are facing issue and getting the logs on WLC 2504
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