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Ports
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24 RJ-45 connectors for 10BASE-T, 100BASE-TX, and 1000BASE-T with 2 shared Small Form-Factor Pluggable (SFP) slots and 2 mini-GBIC ports
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Cabling type
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• Unshielded twisted pair (UTP) Category 5 or better for 10BASE-T/100BASE-TX
• UTP Category 5 Ethernet or better for 1000BASE-T
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LEDs
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Power, Link/Act, Speed
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Performance
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Switching capacity
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12.8 Gbps, nonblocking
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MAC table size
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8000
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Number of VLANs
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256 active VLANs - 4096 range
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Management
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Web user interface
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Built-in web user interface for easy browser-based configuration (HTTP/HTTPS)
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SNMP
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SNMP versions 1, 2, and 3 with support for traps
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SNMP MIBs
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RFC1213 MIB-2, RFC2863 interface MIB, RFC2665 Ether-like MIB, RFC1493 bridge MIB, RFC2674 extended bridge MIB (P-bridge, Q-bridge), RFC2819 RMON MIB (groups 1, 2, 3, and 9 only), RFC2737 entity MIB, RFC2618 RADIUS client MIB
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RMON
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Embedded RMON software agent supports 4 RMON groups (history, statistics, alarms, and events) for enhanced traffic management, monitoring, and analysis.
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Firmware upgrade
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• Web browser upgrade (HTTP)
• Trivial File Transfer Protocol (TFTP) upgrade
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Port mirroring
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Traffic on a port can be mirrored to another port for analysis with a network analyzer or RMON probe
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Other management
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• RFC854 Telnet (menu-driven configuration)
• SSH and Telnet management (SSHv2)
• Telnet client
• SSL security for web user interface
• Switch audit log
• Dynamic Host Configuration Protocol (DHCP) client
• BOOTP
• Simple Network Time Protocol (SNTP)
• Xmodem upgrade
• Cable diagnostics
• Ping
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Security
|
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IEEE 802. 1X
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802.1X - RADIUS authentication; MD5 encryption
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Access control
|
Access control lists (ACLs) - Drop or rate limit based on:
• Source and destination MAC-based
• Source and destination IP address
• Protocol
• ToS/differentiated services code point (DSCP)
• Port
• VLAN
• Ethertype
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Availability
|
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Link aggregation
|
• Link aggregation using IEEE 802.3ad Link Aggregation Control Protocol (LACP)
• Up to 8 ports in up to 8 trunks
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Storm control
|
Broadcast and multicast
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Spanning Tree
|
• IEEE 802.1d Spanning Tree
• IEEE 802.1w Rapid Spanning Tree
• IEEE 802.1s Multiple Spanning Tree, Fast Linkover
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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
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QoS
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Priority levels
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4 hardware queues
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Scheduling
|
Priority queuing and weighted round-robin (WRR)
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Class of service
|
• Port based
• 802.1p VLAN priority based
• IPv4 IP precedence/ToS/DSCP
• TCP/UDP port
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Layer 2
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VLAN
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• Port-based and 802.1Q-based VLANs
• Management VLAN
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Head-of-line (HOL) blocking
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HOL blocking prevention
|
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Jumbo frame
|
Supports frames up to 10 KB
|
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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
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Environmental
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Dimensions
W x H x D
|
17.32 x 1.75 x 13.7 in.
(440 x 44 x 348 mm)
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Unit weight
|
8.85 lb (4.02 kg)
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Power
|
100-240V 0.5A
|
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Certification
|
FCC Part 15 Class A, CE Class A, UL CSA (CSA22.2), CE mark, CB
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Operating temperature
|
32? to 122?F (0? to 45?C)
|
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Storage temperature
|
-4? to 158?F (-20? to 70?C)
|
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Operating humidity
|
20% to 95%
|
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Storage humidity
|
5% to 90% noncondensing
|
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Package Contents
|
|
• Cisco SRW224G4P 24-Port 10/100 + 4-Port Gigabit Switch
• AC power cord
• Rack-mounting kit with brackets and hardware
• CD with user guide in PDF format
• Online registration card
• Console cable
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Minimum Requirements
|
|
• Web-based utility: Microsoft Internet Explorer (version 5.5 or later)
• Category 5 Ethernet network cable
• Operating system: Windows 2000, XP, or later
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Product Warranty
|
|
5-year limited hardware warranty with return to factory replacement and 90-day limited software warranty
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การเลือกใช้ POE Switch (Power Over Ethernet Switch)
