D-Link / DGS-3000-28LP / 24 Port Gigabit ( 24 POE - 193 watts ) + 4*1G SFP Ports Managed Metro Switch
General features
Size
• 19-inch standard rack-mount width
• 1U height
Interfaces
• 24 x 10/100/1000 Mbps PoE
• 4 x SFP
Port Standards & Functions
• Ports 1 to 24 compliant with both IEEE 802.3af/802.3at
Console Port
• RJ-45 Console Port
Other Port Standards & Functions
• IEEE 802.3 10Base-T
• IEEE 802.3u 100Base-TX
• IEEE 802.3ab 1000Base-T
• IEEE 802.3z 1000Base-X
• IEEE 802.3x Flow Control for full-duplex mode, auto-negotiation
• IEEE 802.3af, 802.3at PoE
Network Cables
• UTP Cat. 5, Cat. 5e (100 m max.); EIA/TIA-568 100-ohm STP (100 m max.)
Full/Half-duplex
• Half/full-duplex for 10/100 Mbps and full-duplex for 1000 Mbps speeds
Media Interface Exchange
• Auto or configurable MDI/MDIX
Performance
• Switching Capacity: 56 Gbps
• Forwarding Method: Store-and-forward
• MAC Address Table: Up to 16K entries per device
• MAC Address Update: Up to 512 static MAC entries
• Maximum 64-byte Max. Packet Forwarding Rate: 41.67 Mpps
• Packet Buffer Memory: 1.5 MB per device
Software Features
Virtual Stacking
• D-Link Single IP Management (SIM)
- Up to 32 units per virtual stack
L2 Features
• MAC Address Table: Up to 16K
• Flow Control
- 802.3x Flow Control
- HOL Blocking Prevention
• Jumbo Frames up to 9216 Bytes
• Spanning Tree Protocol
- 802.1D STP
- 802.1w RSTP
- 802.1s MSTP
• BPDU filtering
• Root Restriction
• Loopback Detection
• Link Aggregation
- Compliant with 802.1AX and 802.3ad
• Port Mirroring
- Supports 1 Mirroring group
- Supports one-to-one, many-to-one, flow-based (ACL) mirroring
• Ethernet Ring Protection Switching (ERPS)
• L2 Protocol Tunneling (L2PT)
• Flex Link
L2 Multicasting
• IGMP Snooping
- IGMP v1/v2 snooping, v3 awareness
- Supports 1024 groups
- Port/Host-based IGMP Snooping Fast Leave
- Report suppression
- IGMP authentication
- Limited IP Multicast (IGMP filtering)
• MLD Snooping
- MLD v1, MLD v2 awareness
- Supports 1024 groups
- Port/Host-based MLD Snooping Fast Leave
VLAN
• VLAN group
- Max. 4094 VLAN
• Port-based VLAN
• MAC-based VLAN
• GVRP
- Max. 255 dynamic VLANs
• 802.1v Protocol VLAN
• Double VLAN (Q-in-Q)
- Port-based Q-in-Q
• 802.1Q tagged VLAN
• ISM VLAN
• VLAN translation
• VLAN trunking
• VLAN mirroring
• RSPAN
• Voice VLAN
• Private VLAN
L3 Features
• Max. 1024 ARP entries
- Supports 255 static ARP entries
• Gratuitous ARP
• IPv6 Neighbor Discovery (ND)
• 16 IP interfaces
• Default route
• Static route
- 64 IPv4 static routes
- 32 IPv6 static routes
