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Features
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EHWIC Switch
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New Features
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10/100/1000-T
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√
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√
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IEEE 02.1Q Trunking
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√
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IEEE 802.1D Spanning Tree
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√
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Static and dynamic MAC address learning
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√
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IEEE 802.1x port-based and multiple supplicant
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√
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IEEE 802.3af (15.4W)
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√
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ePoE (20W)
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√
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√ |
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IEEE 802.1p
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√
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IEEE 802.1u (guest VLAN)
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√
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Internet Group Management Protocol (IGMP) Snooping
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√
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Auxiliary VLANs
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√
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Number of VLANs supported (platform dependent)
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16-64
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√
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4095 possible VLAN IDs
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√
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Shaped Deficit Weighted Round Robin (SDWRR) and fixed scheduling
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√
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√
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Eight QoS queues per port
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√
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√
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IEEE 802.1p for 802.1q tagged packets
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√
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Port-based priority for untagged packets
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√
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Priority override
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√
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Switched Port Analyzer (SPAN)
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√
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SPAN across multiple EHWICs
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√
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√
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Number of Spanning Tree Protocol instances
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1 per VLAN (64 maximum)
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Per-port storm control
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√
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MAC notification
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√
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100 secure MAC addresses
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√
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Dynamic Secure Port
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√
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√
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Secure port filtering (port security)
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√
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Private VLAN edge (protected port)
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√
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Intrachassis cascading (no external link between EHWIC cards)
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√
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√
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Protected port (across multiple EHWICs)
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√
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√
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Bridge protocol data unit (BPDU) guard
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√
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PortFast
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√
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Jumbo Frames
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√
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VLAN Trunking Protocol (VTP) (client, server, and transparent modes)
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√
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Per VLAN Spanning Tree (PVST)
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√
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Cisco EnergyWise technology
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√
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Per-port power monitoring and policing
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√
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√
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HSRP, Virtual Router Redundancy Protocol (VRRP), and GLBP on VLAN interfaces
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√
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Automatic Media-Dependant Interface Crossed Over (Auto-MDIX)
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√
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MGF integration
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√
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Multiple cards automatically stacked, no CLI needed
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√
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√
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Number of EHWIC slots limit the number of modules supported; the Cisco 1921 supports only one module
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√
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√
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Complete integration with WLAN through MGF
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√
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√
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CiscoWorks LAN Management Solution (LMS)
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√
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Remote Monitoring (RMON) support
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√
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Switch
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