General
Ports 1 to 48Up to 30 W
Virtual Stacking Support
D-Link Single IP Management
Up to32 devices per virtual stack
Up to20G stacking bandwidth
Physical Stacking
Supports Duplex Chain/Ring topology
Up to40G stacking bandwidth full duplex
Up to6 units per stack
MAC Address Table16K
Flow Control
802.3x Flow Control
HOL Blocking Prevention
Jumbo Frame up to9000 Bytes
IGMP Snooping
IGMP v1/v2/v3 Snooping
IGMP v3 awareness
Supports512 IGMP groups
Supports128 static multicast addresses
IGMP per VLAN
Supports IGMP Snooping Querier
Host-based IGMP Snooping Fast Leave
MLD Snooping
Supports MLD v1/v2 awareness
Supports512 groups
Per VLAN MLD Snooping
Host-based MLD Fast Leave
MLD Snooping Querier
802.1D STP
802.1w RSTP
802.1s MSTP
802.3ad Link Aggregation
Max. 32 groups per device/8 ports per group
Support4 mirroring groups
One-to-One, Many-to-One
Multicast Filtering
Forwards all unregistered groups
Filters all unregistered groups
LLDP, LLDP-MED
802.1Q Tagged VLAN
4K VLAN Groups
Configurable VID0~4094
MAC-based VLAN
Asymmetric VLAN
ISM VLAN
Auto Voice VLAN
Auto Surveillance VLAN
802.1p Quality of Service
Queue Handling
Strict
CoS based on
802.1p priority
VLAN
MAC address
Ether type
IP address
DSCP
DSCP of IPv6 Traffic Class
IPv6 flow label
ARP
256 Static ARP
Supports Gratuitous ARP
IPv6 Neighbour Discovery (ND)
Default Routing
Static Routing
64 IPv4 Static Route Entries
32 IPv6 Static Route Entries
ACL based on
ACL Actions
Permit
Deny
Max. 256 access list
Max. 768 rules
Single or multiple ports(each rule)
Time-based ACL
ACL Statistics
Supports up to128 MAC addresses per port
Broadcast/Multicast/Unicast Storm Control
Dynamic ARP Inspection
Static MAC
D-Link Safeguard Engine
DHCP Server Screening
ARP Spoofing Prevention
Max. 64 entries
SSH
Supports v2
Supports IPv4/IPv6
SSL
Supports v1/v2/v3
Traffic Segmentation
DHCP snooping
IP Source Guard
DHCPv6 Guard
RA Guard
IPv6 Snooping
IPv6 Source Guard
DoS Attack Prevention
Compound Authentication
Supports RADIUS and Local Server
Supports EAP, OTP, TLS, TTLS, PEAP
Web-based Access Control (WAC)
Host-based Access Control
Dynamic VLAN Assignment
MAC-based Access Control (MAC)
Japan Web-based Access Control (JWAC)
Cable Diagnostics
Factory Reset
CLI
Telnet Server
IPv6 Neighbor Discovery
Configurable MDI/MDIX
SNMP
Supports v1, v2c, v3
SNMP Trap
System Log
Max. 10,000 log entries
DHCP option82
DHCP relay
SNTP
Dual Configurations
ICMPv6
IPv4/v6 Dual Stack
DHCP Auto Configuration
RMON v1
Secured FTP(SFTP) Client
Link Status
System Hibernation mode
DEM-310GT 1000BASE-LX, single-mode, 10 km
DEM-311GT 1000BASE-SX, multi-mode, 550 m
Loopback Detection
Weighted Round Robin(WRR)
Bandwidth Control
Port-based (Ingress/Egress, min. granularity for 10/100/1000 BASE-T ports is 64 Kb/s)