Komutatorius (Switch) LevelOne GEL-2861

The GEL-2861 is a L2 managed switches designed for the SMB market. The switches can be deployed in different target network topologies, from small to large. As well as IPv4 and IPv6 features. Standards:
IEEE 802.3 10-BASE-T, Ethernet
IEEE 802.3u 100-BASE-TX, Fast Ethernet
IEEE 802.3ab 1000BASE-T, Gigabit Ethernet
IEEE 802.3z 1000BASE-X,Gigabit Ethernet
IEEE 802.1p Quality of Service (QoS)
IEEE 802.1Q Virtual LANs (VLANs)
IEEE 802.1D MAC Bridges
IEEE 802.1d Standard Spanning Tree Protocol
IEEE 802.1s Multiple Spanning Tree (MSTP)
IEEE 802.1w Rapid Spanning Tree Protocol (RSTP)
IEEE 802.3x Flow Control
IEEE 802.3ad Link Aggregation Control Protocol (LACP)
IEEE 802.3az Energy-Efficient Ethernet
Link Layer Discovery Protocol (LLDP)

Protocols:
Universal Plug and Play (UPnP)
SNMP v1/v2/v3
RMON Groups 1,2,3,9 (Statistics, History, Alarm, Event)
LLDP, LLDP-MED

Memory:
Flash Memory: 32MB
DRAM: 256 MB

Buffer Memory: 4.1Mbits
Port:
24x RJ-45 10/100/1000BASE-T ports
4 x 100/1000Base-X SFP Slots

Button/Knob: Reset / Factory Default Button
Indicator: Power; Link/Active
Transmission Method: Store-and-Forward
Power Input: 100-240V AC, 50-60 Hz, Internal Power Supply
Power Consumption: < 20W
Backplane (Gbps): 56Gbps
MAC Address Table: 8K
Data Rate: 10/100/1000Mbps
Acoustic Noise: 0 dB (A)

Power Saving:
IEEE 802.3az Energy Efficient Ethernet:
- Automatically turns power off on RJ-45 port when detecting link down or Idle of client
- Cable length detection: Adjusts the signal strength based on the cable length
- Reduces the power consumption for cables shorter

Heat Dissipation: 68,242 (Btu/H)
Operating Temperature (°C): 0-50 C
Operating Humidity (Non-condensing): 10-90%
Mount: desktop & 19-inch rack-mountable

General:
Quality of Service (QoS):
8 hardware Priority Queues per port
Traffic classification based on IEEE 802.1p CoS
IPv4/IPv6 precedence/ type of service (ToS) / DSCP based
Rate Limiting - Ingress policer egress shaping and rate control
Scheduleing for priority queues:
WRR Priority Scheduling
Strict Priority Scheduling
Hybrid (DDR/WRR+Strict)
Spanning Tree:
Bridge Protocol Data Units (BPDU)
IEEE 802.1D MAC Bridges
IEEE 802.1d Spanning Tree Protocol (STP)
IEEE 802.1w Rapid Spanning Tree Protocol (RSTP)
IEEE 802.1s Multiple Spanning Tree Protocol (MSTP)
Virtual Local Area Network (VLAN):
802.1Q tag-based VLAN - up to 4K VLANs and 4K VLAN IDs
Port-based VLAN
MAC-based VLAN
DHCP: DHCP Client; DHCP Relay (Layer 2)
IPv6:
IPv6 Ping / Trace /Telnet / Syslog / TFTP
IPV4/IPV6 Dual Protocl Stack
IPV6 Address Type: Unicast?Multicast
ICMPv6
ICMPv6 Redirect (Host)
IPV6 Path MTU Discovery
IPV6 Neighbor Discovery:
Router Discovery/Duplicate Address/Parameter Discovery/Prefix Discovery/Address
Resolution/Unreachable Neighbor Detection
Stateless Autoconfiguration
Manual Configuration
SNMP over IPv6
HTTP over IPv6
IPv6 Telnet Support
IPv6 Syslog Support
IPv6 TFTP Support
Remote IPv6 Ping
Ping over IPv6
trace route over IPv6
DHCPv6:Client/Relay
MLD Snooping v1/v2
IGMP:
IGMP v1/v2/v3 snooping; IGMP Queried; IGMP Filtering /Throtting
Port Mirroring:
One to One /One to Many
IEEE 802.3ad LACP Trunk

Security:
DDOS Protection
CPU Guard
Port Isolation
Port Mirror /Remote Mirror
Broadcast / Multicast / Unknown Storm Control
802.1X
ACL
Port Security
MAC Filter / MAC Authentication
AAA
IP Source Guard
SSH
Dynamic ARP Inspection
Cable diagnostics

Management:
System Password protection
NTP/SNTP
Dual Image /Configuration
Firmware upgrade /download (HTTP/TFTP/FTP)
RMON/ SNMP
Management Access ( Console / SNMP/ Web / Telent )
Memory Flash Log
Event /Error Log
DHCP v4/v6 Snooping
DHCP Snooping Option82
Support Port Statistics

L3: Static Routing
Ease of Use: Dashboard
Packet Forwarding Rate: 41.7 Mpps
Jumbo Frame (K): 10K

MTBF:
25 degreeC: 563,826 hrs
45 degreeC: 314,969 hrs