Specifications

Data Sheet
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Feature Benefit
Integrated Cisco IOS Software
features for bandwidth optimization
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Bandwidth aggregation of up to 4 Gbps (two ports full duplex) through Cisco
Gigabit EtherChannel
®
technology and up to 1.6 Gbps (eight ports full duplex)
through Fast EtherChannel technology enhances fault tolerance and offers
higher-speed aggregated bandwidth between switches, to routers and
individual servers. Port Aggregation Protocol (PAgP) is available to simplify
configuration.
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VLAN1 minimization allows VLAN1 to be disabled on any individual VLAN
trunk link.
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Per-port broadcast, multicast, and unicast storm control prevents faulty end
stations from degrading overall system performance.
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Per virtual LAN (VLAN) Spanning Tree Plus (PVST+) allows for Layer 2 load
sharing on redundant links, to efficiently use the extra capacity inherent in a
redundant design.
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IEEE 802.1s Multiple Spanning Tree Protocol (MSTP) allows a spanning-tree
instance per VLAN, enabling Layer 2 load sharing on redundant links.
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VLAN Trunking Protocol (VTP) pruning limits bandwidth consumption on VTP
trunks by flooding broadcast traffic only on trunk links required to reach the
destination devices. Dynamic Trunking Protocol (DTP) enables dynamic trunk
configuration across all ports on the switch.
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Internet Group Management Protocol Version 3 (IGMPv3) snooping provides
for fast client joins and leaves of multicast streams and limits bandwidth-
intensive video traffic to only the requestors. Multicast VLAN Registration
MVR, IGMP filtering, and fast-join and immediate leave are available as
enhancements. The number of IGMP groups can be limited with IGMP
throttling. IGMP Snooping time can be adjusted to optimize the performance of
multicast data flows.
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MVR continuously sends multicast streams in a multicast VLAN while isolating
the streams from subscriber VLANs for bandwidth and security reasons.
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Supports additional frame formats: Ethernet II (tagged and untagged), 802.3
(SNAP encapsulated, tagged and untagged frames).
Security