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---Flooding unknown vlan frame setting,
can flood packet with some vlan tag
associated to a invalid/inactive vlan
---In tag-base VLAN, supports egress/
ingress packet filter
---Q-in-Q is an efficient method for
enabling Subscriber Aggregation
VSM(Virtual Stacking Management)
----Up to 16 switches can be managed
via Single IP
----Virtual stacking, no extra stacking
hardware is required
----Distributed stacking, no physical
central wiring closet is needed
QoS
---Port Based, 802.1p , TOS and Diffserv
(IPv4/IPv6) based QoS packet
classification
---Supports four level priority queues to
prioritize in-bound and out-bound traffic
---Supports two scheduling, WRR and
Strict
---Supports priority in a Q-in-Q tag
Broadcast Storm
---Multicast/Broadcast/Unknown-Unicast
Storm suppression
Port Mirroring
---Support 1: N RX port mirroring
---Supports port sniffer function with 3
modes: (TX Monitor Mode, RX Monitor
Mode and TX-RX pair Monitor Mode)
Isolated Group
---Provide one group allows certain ports
to be designated as protected
Restricted Group
---Can decide the direction of transmitting
packets for the specific port
Rate Limit
---Ingress rate limit:
Port 1~24: 66k up to 100Mbps
Port 25, 26: 66k up to 1000Mbps
---Egress rate limit:
Port 1~24: 66k up to 100Mbps
Port 25, 26: 66k up to 1000Mbps
Protocol
LACP
---2 Fast Ethernet +1 Gigabit Ethernet
groups
---Per-group max 4 members
---Provides DA, SA and DA+SA Mac-
based trunking with automatic link fail-
over
GVRP/GARP
---802.1q with GVRP/ GARP
Multicasting
---Supports IGMP snooping including
active and passive mode
STP/RSTP
---802.1d/1w/1s STP
L2 Managed Switch
Fast Ethernet Switch
Fast EthernetSwitch
2 Dual Media ports for flexible fiber connection
Ports 25, 26 dual media ports are provided for flexible fiber connection. You
can select to install optional transceiver modules in these slots for short,
medium or long distance fiber backbone attachment. Use of the SFP/GBIC
will disable their corresponding built-in 10/100/1000Base-T connections.
Broadcast/Multicast/unknown-unicast Storm Control
To limit too many broadcast/multicast/unknown-unicast flooding in the
network, broadcast/multicast storm control is used to traffic. restrict excess
Threshold values are available to control the rate limit for each port. Packets
are discarded if the count exceeds the configured upper threshold.
Technical SpecificationsTechnical Specifications
LED Description
Hardware Spec
Packing InformationPacking Information
Ordering InformationOrdering Information
LED Color Function
Global POWER Green -Lit when +5V power is coming up
Global CPU ACT Green -Blinks when CPU is active
Port LINK/ACT Green -Lit when connection with remote device
1-24 is good
-Blinks when any traffic is present
Port 100/10 Green -Lit Green when TP link on 100Mbps
1-24 Mbps /Amber speed
-Lit Amber when TP link on 10Mbps
speed
-Off when 10Mbps or no link occurs
Port SFP/GBIC Green - Lit when SFP/GBIC connection with
25,26 remote device is good
-Blinks when any traffic is present
Weight 2.85kg
Feature Detailed Description
Voltage 100~240 VAC
Frequency 50~60 Hz
Consumption 30W
Ambient Temperature 0 to 40 C
Humidity 5% to 90%
Dimensions 44(H) x 442(W) x 209(D) mm
Safety Complies with FCC Part 15 Class A &
CE Mark
Carton Dimensions (mm) pcs/Carton N.W (KG) G.W (KG)
530x512x345 5 19 20
Model Numbers
ES-2126C 26-Port L2 Managed Fast Ethernet Switch with 2 SFP
Gigabit Dual Media
ES-2126D 26-Port L2 Managed Fast Ethernet Switch with 2 GBIC
Gigabit Dual Media
RUB
TECHTECH
Networking & Communications
R
Optional SFP Module
SFP.LC 1000Base-SX GE SFP Fiber Module, LC Multi-Mode
850nm
SFP.LC.M2 1000Base-SX GE SFP Fiber Module, LC Multi-Mode
1310nm 2km