48 Ethernet 10/100/1000 ports and 4 SFP-based Gigabit Ethernet ports. CISCO security VLAN ACLs (VACLs) on all VLANs prevent unauthorized data flows from being bridged within VLANs. IEEE 802.1x with voice VLAN permits an IP phone to access the voice VLAN irrespective of the authorized or unauthorized state of the port.
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