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Description

Specifications

Ports

• 24 RJ-45 connectors for 10BASE-T/100BASE-TX, 2 combo ports with RJ-45 connectors for 10BASE-T/100BASE-TX/1000BASE-T, and mini Gigabit Interface Converter (mini-GBIC) /SFP slots
• Auto medium dependent interface (MDI) and MDI crossover (MDI-X)
• Auto-negotiate/manual setting

Buttons


Reset

Cabling type


Unshielded twisted pair (UTP) Category 5 or better for 10BASE-T/100BASE-TX, UTP Category 5 Ethernet or better for 1000BASE-T

LEDs


System, 10/100 Link/Act and Speed, Gigabit Link/Act and Speed

Performance

Switching capacity


8.8 Gbps nonblocking

Forwarding rate


6.55 Mpps wire-speed performance

Layer 2

MAC table size


8000

Number of VLANs


128 active VLANs (4096 range)

VLAN

• Port-based and 802.1Q tag-based VLANs
• Management VLAN

Head-of-line (HOL) blocking


HOL blocking prevention

Management

Web user interface


Built-in web user interface for easy browser-based configuration (HTTP)

Firmware upgrade


Web browser upgrade (HTTP) and Trivial File Transfer Protocol (TFTP)

Port mirroring


Traffic on a port can be mirrored to another port for analysis with a network analyzer

Other management

• Port mirroring
• DHCP/BOOTP client
• System log
• Configuration upload and backup via HTTP or TFTP

Security
• 802.1X - RADIUS authentication; MD5 encryption
• Port security - MAC-based filtering
• Management access control

Availability

Link aggregation

• Link aggregation using IEEE 802.3ad LACP
• Up to 4 groups with up to 8 ports per group

Storm control


Broadcast and multicast

Spanning Tree


IEEE 802.1D Spanning Tree and PortFast

IGMP snooping


IGMP (v1/v2) snooping provides for fast client joins and leaves of multicast streams and limits bandwidth-intensive video traffic to only the requestors. Supports 32 multicast groups

QoS

Priority levels


4 hardware queues

Scheduling


Priority queuing and weighted round-robin (WRR)

Class of service

• Port based
• 802.1p VLAN priority based
• IPv4/v6 IP DSCP based

Standards
• 802.3 10BASE-T Ethernet
• 802.3u 100BASE-TX Fast Ethernet
• 802.3ab 1000BASE-T Gigabit Ethernet
• 802.3z Gigabit Ethernet
• 802.3x flow control
• 802.3ad LACP
• 802.1D STP
• 802.1Q/p VLAN
• 802.1X port access authentication

Environmental

Dimensions
W x H x D


17.32 x 1.70 x 10.12 in.
(440 x 43.2 x 257 mm)

Weight


6.39 lb (2.9 kg)

Power


Internal power, 100-240V

Certification


FCC Part 15 Class A, CE Class A, UL, cUL, CE mark, CB

Operating temperature


32° to 122°F (0° to 50°C)

Storage temperature


32° to 158°F (0 to 70°C)

Operating humidity


10% to 90%, noncondensing

Storage humidity


10% to 90%, noncondensing

Package Contents
• Cisco SLM224G 24-Port 10/100 + 2-port Gigabit Smart Switch with 2 combo SFPs
• AC power cord
• Rack-mounting kits with bracket and hardware
• CD with user guide in PDF format
• Online registration card

Minimum Requirements
• Web-based utility: Microsoft Internet Explorer (version 5.5 or later)
• Category 5 Ethernet network cable

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