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Imprimir páginaFallback bridging forwards non-IP traffic between two or more VLANs. The IP Services license is required.
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Integrated Cisco IOS Software Features for Bandwidth Optimization
The Cisco Catalyst 3750 v2 Series offers several advanced features for bandwidth optimization:
Per-port broadcast, multicast, and unicast storm control prevents faulty end stations from degrading overall
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system performance.
IEEE 802.1d Spanning Tree Protocol support for redundant backbone connections and loop-free networks
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simplifies network configuration and improves fault tolerance.
PVST+ allows for Layer 2 load sharing on redundant links to efficiently use the additional capacity inherent in
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a redundant design.
IEEE 802.1s Multiple Spanning Tree Protocol (MSTP) allows a spanning-tree instance per VLAN, enabling
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Layer 2 load sharing on redundant links.
ECR provides load balancing and redundancy.
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Virtual Route Forwarding (VRF) Lite enables a service provider to support two or more VPNs with overlapping
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IP addresses.
VRF-aware IP services enable the use of functions such as TFTP, FTP, syslog, SNMP, traceroute, ping,
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HSRP, ARP, and IP service-level agreements (SLAs) within a VRF instance.
Local Proxy ARP works in conjunction with Private VLAN Edge to reduce broadcasts and increase available
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bandwidth.
VLAN1 reduction allows VLAN1 to be disabled on any individual VLAN trunk link.
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VLAN Trunking Protocol (VTP) pruning limits bandwidth consumption on VTP trunks by flooding broadcast
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traffic only on trunk links required to reach the destination devices.
IGMPv3 snooping for IPv4 and IPv6 Multicast Listener Discovery Versions 1 and 2 (MLDv1 and v2) snooping
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provide fast client joins and leaves of multicast streams and limit bandwidth-intensive video traffic to only the
requestors.
IGMP filtering provides multicast authentication by filtering out nonsubscribers and limits the number of
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concurrent multicast streams available per port.
Multicast VLAN registration (MVR) continuously sends multicast streams in a multicast VLAN while isolating
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the streams from subscriber VLANs for bandwidth and security reasons.
Source-Specific Multicast (SSM) simplifies multicast deployment and optimizes bandwidth for one-to-many
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applications, such as a corporate video broadcast.
Multicast VRF-Lite enables multicast virtualization and separation of VRF traffic.
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EIGRP stub and PIM stub enable multicast and routing on the uplinks, within the IP Base feature set.
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IGMP Proxy enables the switch to process IGMP client requests, within the IP Base feature set.
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Cisco IP SLAs allow you to optimize IP business applications, including VoIP, video, and data, by measuring
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end-to-end service levels and performance. This feature can be used to monitor performance and to prove
service levels. The IP SLA requestor function requires the IP Services license, but the IP SLA responder
function is available within the IP Base license.
The Cisco MAC Notification MIB enables you to monitor MAC table use and to track end-device movement
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across the network. This feature also allows you to set threshold limits for notification of MAC changes.
Advanced QoS
The Cisco Catalyst 3750 v2 Series offers superior multilayer, granular QoS features to help ensure that network
traffic is classified and prioritized, and that congestion is avoided in the best possible manner. Configuration of QoS
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