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תכונות המוצר:
מתג Metro עם 24 פורטים במהירות ג'יגהביט, ארבע יציאות ג'יגהביט/אופטי (SFP) ותמיכה ב PoE
מאפיינים כללים:

Interfaces
• 24-port 10/100 / 1000Base-T with PoE
• 4-port 1000Base-X SFP
• Automatic MDI / MDIX on all ports

Indicators
• Power (per device)
• Console (per device)
• Link / Active / Speed ​​(per port)

Network Cables
• UTP Category 5, 5e (max. 100 m)
• To set the size of a standard 11-inch rack, 1U height

Console port
• RJ-45

Switching matrix
• 56 Gbit / s

Switching Method
• Store and Forward

Table MAC-address
• 16K entries

Updating the MAC-address table
• Up to 256 static MAC-address records

Speed ​​forwarding 64-byte packets
• 41,7 Mpps

RAM
• 128 MB of DDR3

Packet buffer
• 1.5 MB

Half / full duplex
• Half / full duplex for 10/100 Mbit / s
• Full duplex for Gigabit speed

Flash-memory
• 32 MB

Standards and functions
• IEEE 802.3 10Base-T Ethernet (copper twisted pair)
• IEEE 802.3u 100Base-TX Fast Ethernet (copper twisted pair)
• IEEE 802.3ab 1000Base-T Gigabit Ethernet (copper twisted pair)
• IEEE 802.3az
• Auto-negotiation
• IEEE 802.3x Flow Control
• IEEE802.3, IEEE802.3u, IEEE802.3ab
• IEEE802.3az
• IEEE802.3z

L2 Features
• MAC-address table: 16K entries
• Spanning Tree Protocol
   • 802.1D STP
   • 802.1w RSTP
   • 802.1s MSTP
   • BPDU Filtering
   • Root restriction
• Loopback detection
• Mirroring
  • Supports 1 Mirroring group
   • Modes: One-to-One, Many-to-One, Flow-based (ACL) for incoming traffic
• L2 Protocol Tunneling (L2PT)
• Link aggregation
   • Compatible with 802.3ad
   • Max. 8 groups on 8 groups device

Multicast Layer 2
• IGMP Snooping
   • IGMP v1 / v2 snooping, v3 awareness
   • Filter / authentication IGMP
   • Supports 256 groups
   • IGMP snooping fast leave based on VLAN / unit
   • Report suppression
• MLD snooping
   • MLD v1, MLD v2 awareness
   • Supports 256 groups

VLAN
• 802.1Q tagged VLAN
• Group VLAN:
   • Max. 4094 groups
• VLAN-based port
• GVRP
• Asymmetric VLAN
• Max. 256 Dynamic VLAN
• 802.1v protocol VLAN
• VLAN trunking
• VLAN MAC-based address
• Q-in-Q port-based
• ISM VLAN

Function level 3
• Max. 256 ARP entries
• Supports 255 static ARP entries
• Support Gratuitous ARP

Quality of service (QoS)
• CoS based on:
   • The switch port
   • 802.1p Priority Queues
   • VLAN ID
   • MAC-address
   • IPv4 / IPv6-Address
   • DSCP
   • TOS
   • TCP / UDP-port
   • Class IPv6-traffic
• Bandwidth management:
   • Based on the port (included with increments of 64 kbit / s)
   • On the basis of the stream (incoming, in increments of up to 64 kbit / s)
   • To turn off (in increments of up to 64 kbit / s)
• Mechanisms for queuing:
  • Strict Priority
   • Weighted Round Robin (WRR)
• 8 queues per port

Access Control Lists (ACL)
• ACL on the basis of:
   • The switch port
   • 802.1p Priority Queues
   • VLAN ID
   • MAC-address
   • Ether type
   • TOS
   • IPv4 / v6-address
   • DSCP
  • the type of protocol
   • Non-TCP / UDP-port
   • ICMP
   • Class IPv6-traffic
• Up to 256 access rules for incoming traffic
• Action ACL (enable / disable / mirroring)
• ACL schedule
• ACL statistics
• CPU Interface Filtering

AAA
• 802.1X
   • Based Access Control Node
   • Access control based on port
• Guest VLAN
• Maintaining RADIUS accounting
• Maintain accounts TACACS +
• 4-level user account

Security
• SSH v2
• SSL v1 / 2/3
• Port Security (support up to 64 MAC-addresses per port)
• Detection of the problems associated with the coincidence of network addresses
• Linking IP-MAC-Port Binding (IMPB)
   • ARP-packet inspection
   • Inspection of IP-packages
   • Support for DHCP Snooping IPv6
• Protection from the broadcast / multicast / unicast storm
• D-Link Safeguard Engine
• DHCP Server Screening
• Filtering DHCP-enabled clients
• Prevention of ARP Spoofing
• Protection against attacks BPDU
• Prevention of DoS attacks
• Traffic Segmentation

OAM
• 802.3ah Ethernet Link OAM
   • Support for 802.3ah link layer remote loopback and discovery (Syslog and SNMP)
   • 802.3ah D-Link extension: D-link Unidirectional Link Detection (DULD), (Syslog and SNMP)
• Diagnosis cable

Management
• Web-interface (supports IPv4 / IPv6)
• Command Line Interface (CLI)
• Telnet-server / client (support IPv4 / IPv6)
• TFTP-client (IPv4 / v6)
• Registration of teams
• SNMP v1 / v2c / v3
• SNMP Traps
• System Log
• RMON v1
• RMON v2
• LLDP
• BootP / DHCP-Client
• Auto DHCP
• The configuration file is in text format
• Trusted host
• DHCP relay (IPv4 / IPv6)
   • DHCP relay agent / local relay
   • DHCP relay option 12, 37, 38
   • DHCP relay option 82
• Tagging PPPoE Circuit-ID
• Trap / alarm / log severity control
• Monitoring the CPU
• SNTP
• LLDP
• Debug commands
• Restoration of the password
• Password Encryption
• Bypass password

MIB
• RFC1213 MIB II
• RFC1493 Bridge MIB
• RFC1907 SNMPv2 MIB
• RFC1757, 2819 RMON MIB
• RFC2021 RMONv2 MIB
• RFC1398, 1643, 1650, 2358, 2665 Ether-like MIB
• RFC2674,4363 802.1p MIB
• RFC 2233, 2863 IF MIB
• RFC 2618 RADIUS authentication client MIB
• RFC 2620 RADIUS accounting client MIB
• RFC 2925 ping & traceroute MIB
• Private MIB
• D-Link Zone Defense MIB

IETF
• RFC768 UDP
• RFC791 IP
• RFC792 ICMPv4
• RFC2463, 4443 ICMPv6
• RFC793 TCP
• RFC826 ARP
• RFC 2474 to 3260 the definition of the DS field in the IPv4 header and IPv6
• RFC 1321, 2284.2865, 3580, 3748 Extensible Authentication Protocol (EAP)
• RFC2571, RFC2572, RFC2573, RFC2574 SNMP

IPv6
• RFC1981 Path MTU Discovery
• RFC2460 IPv6
• RFC2461, 4861 Neighbor Discovery
• RFC2462, 4862 IPv6 Stateless Address Auto-configuration
• RFC2464 IPv6 Neighbor over Ethernet and definition
• RFC3513, 4291 IPv6 addressing architecture
• RFC2893, 4213 IPv4 / IPv6 dual stack


נתונים פיזיים

Dimensions
• 440 mm x 210 mm x 44 mm

Input supply
• 100-240 VAC, 50-60 Hz

MTBF (hours)
• 239,534

Noise
• 52,4 dB

Heat
• 840,89 BTU / hr

Max. power consumption
• 246,5 W (PoE enabled)
• 28,4 W (PoE off)

Max. Budget PoE
• 193 W

Power consumption in standby mode
• 24,5 W / 100 V, 21.9 W / 240

Ventilation system
• 2 fan with automatic speed control

ESD protection
• All Ethernet-ports support standard IEC61000-4-5 built-in protection against static electricity

Temperature
• Operating: -5 to 50 ° C
• Storage: -40 to 70 ° C

Humidity
• Operating: 10% to 90% non-condensing
• Storage: 5% to 90% non-condensing

Package
• Switch D-Link
• Brackets for rack mounting
• Power Cable
• Console cable
• Clamp for the power cord
• CD with user manual and utility DNA (D-Link Network Assistant)
• Quick Installation Guide

EMI
• FCC class A
• CE class A
• VCCI
• C-Tick
• BSMI
• CCC

Security
• CCC
• CE LVD
• UL / cUL

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