... DRR + SP. Together, these features ensure high-quality voice, video, and data servicesThe S3700 provides multiple security measures ... which functions as a virtual switch. The backup switch takes over services when the master switch fails, reducing service interruption time ... filtering based on source MAC addressesVLANs4K VLANsGuest VLANs, voice VLAN, and super VLANVLAN assignment based on MAC ...