Cisco Catalyst 4948 Datasheet page 8

IEEE 802.1x inaccessible authentication bypass
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Cisco Network Admission Control (NAC) Layer 2 IEEE 802.1x
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Cisco NAC Layer 2 IP
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Cisco NAC Layer 2 IP inaccessible authentication bypass
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Trusted boundary
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RACLs on all ports (no performance penalty)
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VACLs
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Port ACLs (PACLs)
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Private VLANs (PVLANs) on access and trunk ports
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VTPv3
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DHCP snooping
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DHCP Option 82
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DHCP Option 82 insertion
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DHCP Option 82 pass-through
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Port security
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Port security for PVLAN ports
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Sticky port security
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Secure Shell (SSH) Protocol Versions 1 and 2
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VLAN Management Policy Server (VMPS) client
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Unicast MAC filtering
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Unicast port flood blocking
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Dynamic Address Resolution Protocol (ARP) inspection
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IP Source Guard
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Community PVLANs
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Trunk port security
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IEEE 802.1x inaccessible authentication bypass
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MAC authentication bypass
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Control plane policing
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IEEE 802.1x unidirectional controlled port
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Voice VLAN sticky port security
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Secure Copy Protocol (SCP)
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Cisco EtherChannel trunk port security
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© 2009 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information.
Data Sheet
Page 8 of 17