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About FS

Customer Questions & Answers

All (173)Unanswered Questions (2)Stacking (11)Devices Connection (7)Supported Rate (4)AC/DC Power Supply (3)BGP (3)LACP (3)Noise Figure (3)Protocols (3)VLAN (3)Airflow (2)CLI (2)Data Transmission (2)Firmware Upgrade (2)MLAG (2)NAT (2)Parameter (2)Port Rate (2)Power Consumption (2)Power Supply (2)PSUs (2)SNMP (2)Warranty (2)ACL (1)Application (1)Batteries (1) More +
Q:

I saw on your site, this switch has dual power supplies, but I want to buy another one as spares, do you offer it? And can you offer DC power?

by C***s on 11/01/2021

A:

Yes, the S5860-20SQ switches ships with 2 hot-pluggable power supplies (PSUs) and you can contact your FS account manager for the PUS spares. Unfortunately, due to the design considerations, this switch doesn't support DC power supply for now. If you're interested in switches with DC power, you can look into S5850-32S2Q, S5800-8TF12S, S5850-24T16B, T5850-32S2Q, T5800-8TF12S.

by FS.COM on 11/01/2021

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Q:

Can this switch support downward compatible 1G data rate transmission? And can the 25G ports and 40G ports be used as downlinks?

by S***k on 11/09/2021

A:

1. Yes, this switch can support 1G. The 20x 10G SFP+ ports can be used for 1/10G connection. 4 x 25G SFP28 ports can be used for 10/25G connection. 2 x 40G QSFP+ ports can be used for 40G or 4x 10G connection. 2. Yes, you can use 25G & 40G as downlinks. If you use 10G access switch to connect this one, then the 25G/40G is the uplink; if you use this switch to connect a 100G core switch, then the 10G/25G is the downlink

by FS.COM on 11/10/2021

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Q:

At the moment, I'm configuring the S5860-20SQ FS Switch and I have a problem after the firmware update (FSOS-12.4(1)B0101P1S1). The SFP Transceiver Modul 10/100/1000BASE-T RJ45 doesn't work anymore but the SFP Transceiver Modul with Fibre Connection still works. The Switch can detect the SFP Modul RJ45 but the Link doesn't come up.

by B***h on 09/23/2021

A:

S5860-20SQ switch does not support 10/100/1000BASE-T transceiver, but it can support 1000base -T transceiver. You can find more details via Supported Transceivers DACs and AOCs

by FS.COM on 09/24/2021

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Q:

Hi, what's the difference between L2 switches and L3 switches? I'm struggled which one I should choose.

by A***z on 07/28/2021

A:

The main difference between Layer 2 and Layer 3 is the routing function. This is also the biggest difference lies between Layer 2 switch and Layer 3 switch. A Layer 2 switch works with MAC addresses only and does not care about IP address or any items of higher layers. A Layer 3 switch, or multilayer switch, can do all the job that a Layer 2 switch does. Additionally, it can do static routing and dynamic routing. When lingering between Layer 2 and Layer 3 switches, you should think about where it will be used. If you have a pure Layer 2 domain, you can simply go for Layer 2 switch. A pure Layer 2 domain is where the hosts are connected, so a Layer 2 switch will work fine there. This is usually called access layer in a network topology. If you need the switch to aggregate multiple access switches and do inter-VLAN routing, then a Layer 3 switch is needed.

by FS.COM on 07/28/2021

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Q:

Does S5860-20SQ have a dedicated stacking cable? I’d like to be able to stack these switches. What do I need to do this? Since I will likely never use the 40GB ports, can those be used?

by C***y on 02/06/2021

A:

Nope, you don't need to use dedicated stacking cables for stacking. This switch can be stacked with the SAME MODEL S5860-20SQ switch or mixed stack with the SAME SERIES S5860-24XB-U switch via transceivers or DAC/AOC cables. If you won't use 40G ports, you can choose the 20x 10G or 4x25G ports to set the stacking system. Because the switch can support 2 units of physical stacking, so it will achieve up to 200G stacking bandwidth by stacking.

by FS.COM on 02/06/2021

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Q:

Hello, does this switch support MLAG when stacking is used?

by C***t on 11/19/2020

A:

Hi, thanks for your question. S5860-20SQ doesn't support MLAG. Our customers usually use stacking instead of MLAG on this switch.

by K***n on 11/20/2020

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Q:

What is the heat dissipation method of this switch?

by P***a on 11/01/2020

A:

This switch has the front to back airflow. To ensure good dissipation, sufficient space (10 cm distance from both sides and the back panel of the chassis) should be reserved for ventilation.

by E***c on 11/01/2020

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Q:

Does the switch support 802.1q VLAN trunks?

by B***n on 10/09/2021

A:

Yes, this S5860-20SQ switch can support it.

by N***l on 10/13/2021

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Q:

What is the noise value of this switch?

by D***s on 11/05/2020

A:

The maximum noise value of this switch is less than 78dB.

by K***r on 11/05/2020

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Q:

When stacking how is throughput calculated? For example if using the 4 - 25GBit ports to stack, is that 100 GBit for the stack or less because of redundancy?

by D***e on 10/31/2020

A:

Device throughput is calculated independently. When stacking, if the uplink or downlink link is load balanced across devices, the traffic will be balanced to multiple stacking devices. From the perspective of this scenario, the stacking device throughput is Additive. Therefore, the stacking reference value of 4 25G ports is 100G.

by *** on 11/03/2020

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