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תכונות המוצר:
מתג Metro מנוהל מתקדם עם 48 פורטים במהירות 10/100Mbps, שתי יציאות ג'יגהביט/אופטי (SFP) ו שתי יציאות משולבות ג'יגהביט/אופטי (SFP)
מאפיינים כללים:

Interface
• 48-port 100BASE-TX PoE
• 2 10/100/1000BASE-T ports
• 2 Combo port 10/100/1000BASE-T / 100/1000 SFP
 
Console port
• RJ-45
 
Performance
• Switching matrix: 17.6 Gb / s
• Speed ​​forwarding 64-byte packets: 13,1 Mpps
• Size MAC Address Table: 16K
• SDRAM for CPU: 128 MB DDR2
• Buffer Packet: 1.5 MB
• Flash-Memory: 32 MB
• Size Jumbo-frames: 12K bytes
 
Indicators
• Power (per device)
• Console (per device)
• Link / Activity / Speed ​​(per port)
 
Power over Ethernet (PoE)
• Standard PoE: 802.3af, 802.3at
• Functions PoE ports
  - Ports 1 ~ 8: 30 W
  - Ports 13-48: 15.4 W
• Power PoE: 370W
 
Stacking
• Virtual Stacking:
  - Support for D-Link Single IP Management
  - Combine a virtual stack of up to 32 devices
 
Level 2 Functions
• MAC Address Table: 16K
• Flow control:
  - 802.3x Flow Control
  - HOL blocking prevention
• Size Jumbo-frames up to 12K bytes
• Spanning Tree:
  - 802.1D-2004 Edition STP
  - 802.1w RSTP
  - 802.1s MSTP
  - Filtering BDPU
  - Root Restriction
• Function Loopback Detection (LBD)
• Aggregation:
  - Compatible with 802.1AX and 802.3ad
  - Max. number of groups - 26, 8 ports per group
• Port Mirroring:
  - Support for a group of mirror
  - Modes: One-to-One, Many-to-One, Flow-based (ACL)
• Technology Ethernet Ring Protection Switching (ERPS)
• Layer 2 Tunneling Protocol
 
Multicast Layer 2
• IGMP Snooping:
  - IGMP v1/v2 Snooping, IGMP v3 Awareness
  - Support groups 1K
  - IGMP Snooping Fast Leave port-based
• Restricting multicast IP-mailing:
  - Up to 24 profiles filtering IGMP, 128 bands per profile
• MLD Snooping:
  - MLD v1/v2 Snooping, MLD v2 Awareness
  - Support groups 1K
• IGMP Authentication
 
VLAN
• 802.1Q Tagged VLAN
• Group VLAN:
  - Max. 4K VLAN
• VLAN port-based
• VLAN based on MAC addresses
• GVRP:
  - Max. 255 Dynamic VLAN
• 802.1v VLAN-based protocol
• VLAN Trunking
• Asymmetric VLAN
• Double VLAN (Q-in-Q):
  - Q-in-Q port-based
  - Selective Q-in-Q
• ISM VLAN
• VLAN Translation
 
Level 3 Functions
• Gratuitous ARP
 
Quality of Service (QoS)
• Bandwidth Management:
  - Based on the port (inbound / outbound, in increments of up to 62.5 kbit / s)
  - Based on the flow (incoming, in increments of up to 62.5 kbit / s)
• 4 queues per port
• DSCP
• 802.1p
• Processing queues:
  - Strict Priority
  - Weighted Round Robin (WRR)
  - Strict • WRR4
• CoS based on:
  - Switch Port
  - VLAN ID
  - 802.1p Priority Queues
  - MAC address
  - Ether Type
  - IPv4/v6-adresa
  - Class of IPv6 traffic
  - IPv6 flow labels
  - IP-address
  - TOS
  - DSCP
  - Type of protocol
  - TCP / UDP port
  - The contents of the package, a user-defined
• QoS based on the time
• Support for the following streams:
  - Setting priorities for 802.1p tag
  - Tagging ToS / DSCP
  - Bandwidth Management
  - Statistics stream
 
Access Control Lists (ACL)
• Up to 512 Access Rules
• ACL based on:
  - Switch Port
  - VLAN ID
  - 802.1p Priority
  - MAC address
  - Ether Type
  - IPv4/v6-adresa
  - Class of IPv6 traffic
  - IPv6 flow labels
  - ToS
  - DSCP
  - Type of protocol
  - Non TCP / UDP port
  - The contents of the package, a user-defined
• ACL on the basis of time
• Statistics ACL
• CPU Interface filtering
 
Security
• SSH v2
• SSL v1/v2/v3
• Port Security
  - Up to 64 MAC addresses per port
• Control the broadcast / multicast / unicast storm
• Traffic Segmentation
• IP-MAC-Port Binding (IMPB):
  - Support for D-Link IMPB v3.3
  - Checking the ARP packets
  - DHCP Snooping
• D-Link Safeguard Engine
• Prevent DoS attacks
• Preventing ARP Spoofng
• BPDU attack prevention
 
AAA
• 802.1X:
  - Access control based on port
  - Access control based on the host
  - Dynamic VLAN Assignment
  - Identity-driven security policy assignment: QOS, VLAN
• Access Control MAC-based
  - Access control based on port
  - Access control based on the host
  - Dynamic VLAN Assignment
  - Authentication Database Failover
  - Identity-driven security policy assignment: QoS, ACL, VLAN
• Microsoft ® NAP (IPv4/v6):
  - Supports 802.1x NAP
  - Supports DHCP NAP
• Guest VLAN
• RADIUS
• TACACS +
• XTACACS +
• A trusted host (Trusted Host)
• Maintain RADIUS accounting
• Two-level user account
 
Management
• Web-interface (supports IPv4/v6)
• Command Line Interface (CLI)
• Telnet-server/klient (support IPv4/v6)
• TFTP-Client (supports IPv4/v6)
• Z-modem
• SNMP v1/v2c/v3
• SNMP Traps
• Syslog
• RMON v1:
  - Support for groups 1, 2, 3, 9
• RMON v2:
  - Support groups ProbeConfig
• BootP / DHCP-client
• DHCP automatically
• DHCP Relay
• DHCP Relay Option 12
• DHCP Relay Option 82
• Add a tag PPPoE Circuit-ID
• Support for the two versions of the software
• Monitoring CPU
• SNTP
• LLDP
• Debug commands
• Encryption of passwords
• SMTP
• Ping (Support IPv4/v6)
• Traceroute (support for IPv4)
• Command Logging
• ICMPv6
• Support for Microsoft ® NLB (Network Load Balancing)
 
OAM
• Cable Diagnostics
• 802.3ah Ethernet Link OAM
• Dying Gasp
• 802.1ag Connectivity Fault Management (CFM)
• 802.3ah D-Link Extension: D-Link Unidirectional Link Detection (DULD) 4
 
MIB
• RFC 1065, 1066, 1155, 1156, 2578 MIB Structure
• RFC 1157, 2571-2576 SNMP MIB
• RFC 1212 Concise MIB Definitions
• RFC 1213 MIB II
• RFC 1215 MIB Traps Convention
• RFC 1398, 1643, 1650, 2358, 2665 Ether-like MIB
• RFC 1493 Bridge MIB
• RFC 1757, 2819 RMON MIB
• RFC 1907 SNMPv2 MIB
• RFC 2021 RMONv2 MIB
• RFC 2233, 2863 IF MIB
• RFC 2618 RADIUS Authentication Client MIB
• RFC 2620 MIB RADIUS client account
• RFC 2674, 4363 802.1p MIB
• RFC 2925 PING & TRACEROUTE MIB
• RFC 4188 Bridge MIB
 
Standard IETF ®
• RFC 768 UDP
• RFC 783 TFTP
• RFC 791 IP
• RFC 792, 2463, 4443 ICMP
• RFC 793 TCP
• RFC 826 ARP
• RFC 854 Telnet
• RFC 951, 1542 BootP
• RFC 1321, 2284, 2865, 3580, 3748 Extensible Authentication Protocol (EAP)
• RFC 1492 TACACS
• RFC 1981 Path MTU Discovery for IPv6
• RFC 2068 HTTP
• RFC 2460 IPv6
• RFC 2461, 4861 Neighbor Discovery for IPv6
• RFC 2462, 4862 IPv6 Stateless Address Auto Configuration
• RFC 2463, 4443 ICMPv6
• RFC 2464 IPv6 Ethernet and definition
• RFC 2474, 3260 Definition of the DS field in the IPv4 and IPv6 Headers
• RFC2544 Benchmarking Methodology for Network Interconnect Devices
• RFC 2571, 2572, 2573, 2574 SNMP
• RFC 2866 RADIUS Accounting
• RFC 2893, 4213 IPv4/IPv6 dual stack
• RFC 3513, 4291, the architecture of IPv6 addressing


נתונים פיזיים

MTBF
• 189.396 h
 
Acoustics
• 39.2 dB (at a low speed fan)
• 51.2 dB (at high speed fan)
 
Heat release
• 1608,156 BTU / hour
 
Input voltage
• 100-240 VAC, 50-60 Hz internal universal power supply
 
Power consumption
• 471.6 watts (max.)
• 31 watts (standby)
 
Dimensions
• 441 x 308 x 44 mm
 
Weight
• 6.043 kg
 
Ventilation system
• 1 fan
 
Surge Protection
• All Ethernet ports support the standard IEC61000-4-May 10 / 700us built-in surge protection 6 kV
 
Operating temperature
• -5 To 50 ° C
 
Storage temperature
• -40 To 70 C
 
Operating Humidity
• From 10% to 95% noncondensing
 
Storage Humidity
• 5% to 95% noncondensing
 
Electromagnetic safety
• CE Class A
 
Security
• CE LVD
 
Electromagnetic safety
• CE Class A, FCC Class A, IC, C-Tick, VCCI Class A
 
Security
• CE LVD, UL / cUL, CB
 
3rd Party Certifications
• MEF 21, IPv6 Ready Logo

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