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Our Catalyst Center (DNAC) server has lost connectivity to our ISE cluster. When attempting to rejoin to ISE, DNAC throws the following error:-One of the system certificate (cname=Sectigo Public Server Authentication Root R46) used by host *****(our...
Has anyone else encountered an issue where, in 3D map mode, APs on neighbouring floors are incorrectly placed? The floors themselves are correctly aligned but the APs appear clustered in one corner of the floor, as though they've been placed x numbe...
We're having issues with telemetry between our DNAC appliance and our two HA pairs of 9800 WLCs. In the past where telemetry has started acting up (resulting in all APs showing as "down" on heatmaps despite being "reachable" on the AP list, and "No ...
Same here. Switched FT from adaptive to disabled on the WLAN, fixed our Square POS terminals that wouldn't even connect to a PSK network.This was on an anchored guest LAN so made the WLAN change both on the main 9800-80 controller that the APs conne...
This was raised as a TAC on our behalf by one of Cisco's engineers. The TAC engineer used two different commands to check the Catalyst Center logs, the second of these raised a big clue:-magctl service logs -rf network-design -c network-design-servi...
Regenerating the chain seems to have been painless enough (thanks @msc1011000), I also spotted a quietly (and recently) expired OCSP responder cert on the secondary node, there was a newer OCSP responder cert on there as well so I just disabled the e...
We've discovered the same mDNS limit today on our 9800-L controllers.If going for gold-starred releases, note that 17.12.4 drops support for Wave 1 APs (1700/2700/3700) once more. 17.9.6 still supports them (and goes obsolete in March 2027) but for ...
I had a similar issue last night when upgrading a 9800-80 from 17.9.4a to 17.9.5. 1600 APs all refusing to connect with a "DTLS cert-chain not available" error.There's nothing in the release notes to say that the config needs to be changed, but ther...
