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Cisco Auto Smartports provide automatic configuration as devices connect to the switch port, allowing
auto detection and plug and play of the device onto the network.
Easy to Use Deployment and Control Features
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Auto-negotiation on all ports automatically selects half- or full-duplex transmission mode to optimize
bandwidth.
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Dynamic Trunking Protocol (DTP) facilitates dynamic trunk configuration across all switch ports.
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Port Aggregation Protocol (PAgP) automates the creation of Cisco Fast EtherChannel
®
groups or Gigabit
EtherChannel groups to link to another switch, router, or server.
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Link Aggregation Control Protocol (LACP) allows the creation of Ethernet channeling with devices that
conform to IEEE 802.3ad. This feature is similar to Cisco EtherChannel technology and PAgP.
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Automatic media-dependent interface crossover (MDIX) automatically adjusts transmit and receive
pairs if an incorrect cable type (crossover or straight-through) is installed.
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Unidirectional Link Detection Protocol (UDLD) and Aggressive UDLD allow unidirectional links caused
by incorrect fiber-optic wiring or port faults to be detected and disabled on fiber-optic interfaces.
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Dynamic Host Configuration Protocol (DHCP) autoconfiguration of multiple switches through a boot
server eases switch deployment.
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Switching Database Manager (SDM) templates for access, routing, and VLAN deployment allow the
administrator to easily maximize memory allocation to the desired features based on deployment-specific
requirements.
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Local Proxy Address Resolution Protocol (ARP) works in conjunction with Private VLAN Edge to
minimize broadcasts and maximize available bandwidth.
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Internet Group Management Protocol (IGMP) Snooping for IPv4 and IPv6 MLD v1 and v2 Snooping
provide fast client joins and leaves of multicast streams and limit bandwidth-intensive video traffic to only
the requestors.
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Per-port broadcast, multicast, and unicast storm control prevents faulty end stations from degrading
overall systems performance.
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Voice VLAN simplifies telephony installations by keeping voice traffic on a separate VLAN for easier
administration and troubleshooting.
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Cisco VLAN Trunking Protocol (VTP) supports dynamic VLANs and dynamic trunk configuration across
all switches.
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Switch Port Analyzer (SPAN) allows administrators to monitor ports in a Layer 2 switch network from any
other switch in the same network.
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For enhanced traffic management, monitoring, and analysis, the Embedded Remote Monitoring (RMON)
software agent supports four RMON groups (history, statistics, alarms, and events).
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Trivial File Transfer Protocol (TFTP) reduces the cost of administering software upgrades by
downloading from a centralized location.
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Network Timing Protocol (NTP) provides an accurate and consistent timestamp to all intranet switches.
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Cisco Emergency Responder (CER) enhances emergency calling from Cisco Unified CallManager. It
helps assure that Cisco Unified CallManager sends emergency calls to the appropriate Public Safety
Answering Point (PSAP) for the caller's location.
(11 pages)
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