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I have a weird issue here.When I tried to use vWLC(running in esxi) to manage my APs(2800 & 1800 series), any devices connected to these APs cannot ping the gateway (actually like 90% icmp packet no reply), these devices will show 'No Internet'. But ...
It seems work.Acutally, I checked the Troubleshooting TechNotes, https://www.cisco.com/c/en/us/support/docs/wireless/aironet-3800-series-access-points/214491-arp-responses-for-default-gateway-ip-add.htmlDisable the flexconnect arp-caching also works....
