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This switch provides a wide range of advanced performance enhancing features. Flow control eliminates the loss of packets due to bottlenecks caused by port saturation. Storm suppression prevents broadcast, multicast, and unknown unicast traffic storms from engulfing the network. Untagged (port-based) and tagged VLANs, plus support for automatic GVRP VLAN registration provide traffic security and efficient use of network bandwidth. CoS priority queueing ensures the minimum delay for moving real-time multimedia data across the network. While multicast filtering provides support for real-time network applications.

Standards Compliance

• IEEE 802.3 Ethernet, IEEE 802.3u Fast Ethernet, IEEE802.3z Gigabit

• IEEE 802.1D MAC Bridges

• IEEE802.1p priority tags

• IEEE802.1Q VLAN

• IEEE802.1ac VLAN tagging

• IEEE802.1ad Link aggregation control protocol

• IEEE802.1w Fast Spanning Tree

• IEEE802.1x authentication

• 802.3x Flow Control

• 802.1Q-2005 Multiple Spanning Tree (phase 2 feature)

Switching Capability

• 28 Gigabit Ethernet ports with non-blocking wire speed performance

• 8K MAC address entries with auto-learning function

• Packet Buffer: 1.75MB

• Jumbo frame up to 9kB

Network Interface

• 24x RJ-45 10/100/1000BASE-T ports

• 4x Gigabit RJ-45/SFP (Mini-GBIC) shared ports

Layer 2 Management Features

• Auto-negotiation for port speed and duplex mode

• Flow Control: IEEE 802.3x & Back-Pressure

• Spanning Tree Protocol:

• IEEE 802.1D Spanning Tree Protocol (STP)

• IEEE 802.1w Rapid Spanning Tree Protocol (RSTP)

• IEEE 802.1s Multiple Spanning Tree Protocol (MSTP)

• BPDU guard

• Root guard

• Auto Edge

• VLANs:

• 255 IEEE 802.1Q VLANs, Port-based VLANs, GVRP

• IEEE 802.1v Protocol-based VLANs

• Private VLAN

• Link Aggregation:

• Static Trunk, IEEE 802.3ad Link Aggregation Control Protocol

• Trunk groups: 32, Trunk links: 2~8

• IGMP Snooping:

• IGMP v1, v2 snooping

• IGMP Queried

• IGMP snooping leave proxy

• IGMP filtering/throttling

• IGMP immediate leave

• Stream Control

• Broadcast

• Multicast

• Unknown Unicast

• Q in Q

IPv6 Features

• IPv4/IPv6 Dual Protocol stack

• IPv6 Address Types Stack: Multicast / Unicast

• IPv6 Neighbour Discovery

• ICMPv6 Redirect (host)

• IPv6 SNMP/HTTP/Telnet/SSH/RADIUS/TACACS+

• IPv6 ACL and DSCP remapping

Dimensions

• 440mm(W) * 230mm(D) * 44mm(H)

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