After upgrading the C9800-80 WLC from version 17.9.6 to 17.12.4, access points of models 1700, 2700, and 3700 reverted to their default configuration, including hostname and tags. What could have caused this behavior?
I want to connect ACI to two Nexus switches in Layer 2 mode. All documentation states that the interfaces on the Nexus switches facing ACI should be set to shared mode. However, I have a separate VLAN pool for L2Outs, and the EPGs extended with L2Ou...
All access points (APs) under my C9800-80 controller are operating in local mode. I have two different SSIDs: one with WPA2 Enterprise and the other with open (central web authentication with ISE). There doesn’t appear to be a general issue, everyth...
Cisco Catalyst 9800-80 Wireless Controller version is 17.9.4a. I check compability matrix and no problem to registring ap. But ap logs Discarding msg CAPWAP_WTP_EVENT_REQUEST(type 9) in CAPWAP state: Join(5). and i check AP join statistics on C9800-...
Hi everyone,My user currently RUN state. I capture radioactive trace, user send 2 arp packets to default gateway. One is destination MAC address ffff.ffff.ffff but other one's mac address unicast cisco MAC address (probabbly gateway's mac address). W...
Approximately 100 model 1702 access points experienced this issue, and there was no hostname conflict that could have caused a problem. In fact, the reason I opened this post was to see if others had experienced the same thing—so I could determine wh...
Nexus Shared Mode = Interface Trunk configuration = Allow multiple VLANs on an interfaceSorry for the confusion of concepts. Here I wanted to express that the spanning tree interface type should be shared instead of the default port type of the spann...
ACI Border are in VPC groups. However, Nexus is not a VPC pair because of a version mismatch (an upgrade is planned to equalize the versions). The thing that confuses me, or that I don't fully understand, is this: FD VLAN seems to consist of two para...
I tried disabling Load Balance and Band Select in the wlan profile and the problem was fixed. But I don't have a clear answer as to why it was fixed. If your problem persists, you can try it and it may fix your problem too.