Depends on the flow. If the traffic goes from client to webex server to client, then yes. If the flow is between the clients directly, then no "With Client Isolation enabled, clients will only be able to communicate with the default gateway and will not be able to communicate with any other devices on the same VLAN (or broadcast domain). In order for the wireless client to communicate with another device, the upstream gateway must be used to enable this communication (e.g. inter-VLAN routing and ACLs). Any traffic bound for an address on the same VLAN as a device in client isolation will be denied. Traffic bound for other VLANs will be forwarded and routed normally."
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