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MikroTik

Q: Will the 10g sfp+ ports support 1g/gige sfp's (i.e. are the ports 1g and/or 10g capable)?

If you try to use a 1Gbit SFP transceiver that isn’t from MikroTik you will likely at first have problems and it might not work. If this happens you have to go into RouterOS and turn off auto negotiate for that port. You want to manually select the speed as well. Then I’d recommend that you use masking tape or a label maker to mark the physical router so that you or a future user knows that one of the ports has auto negotiate turned off. You’ll actually need to do this with the MikroTik S+RJ10 as well as it has problems sticking too the highest speed your cable can handle (it’s a multi speed 1G/2.5G/5G/10G transceiver) I don’t know if SwitchOS has the same problems.

Q: Do these switches have the ability for mlag? i.e. i want to have two of these as core switches for redundancy.

I don't believe so. You would need to check with MikroTik to see if that feature is available in the Router OS.

Q: Will cisco sfp-10g-sr and sfp-10g-lrm sfp's work in this?

Cisco compatibles have worked well for me. This is not nearly as finicky as a Cisco switch.

Product ID: 111350480

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Details

Brand
MikroTik
Number of Ports
9
Included Components
Power adapter
Color
White
Compatible Devices
Desktop

⚡8x 10G SFP+ ports for ultra-fast connectivity

📊Managed switch with advanced network control

🔌PoE support for streamlined power & data

Frequently Bought Together

MikroTik CRS309-1G-8S+in

10Gtek 10Gb PCI-E NIC Network Card, Single SFP+ Port, with Intel 82599EN Controller, Ethernet LAN Adapter Support Windows Server/Linux/VMware, Compare to Intel X520-DA1(E10G42BTDA)

10Gtek SFP+ DAC Twinax Cable - 10GBASE-CU Passive Direct Attach Copper SFP Cable for Cisco SFP-H10GB-CU2M, Ubiquiti UniFi UC-DAC-SFP+, Meraki, Fortinet, D-Link, 2-Meter(6.6ft) | 0.25-12m Optional

Description

⚡ Power Your Network Like a Pro — Stay Ahead, Stay Connected!

COMPACT YET MIGHTY - Sleek, space-saving design (5.55 x 4.53 x 1.1 inches) fits perfectly in any modern workspace or server rack.
LIGHTWEIGHT DURABLE - At just 1.1 pounds, this powerhouse is easy to install and built to last, crafted with precision in Latvia.
BLAZING 10 G SFP SPEED - Experience lightning-fast data transfer with 8 high-performance 10G SFP+ ports, perfect for bandwidth-hungry setups.
SEAMLESS PO E INTEGRATION - Power your devices effortlessly with built-in Power over Ethernet support, reducing cable clutter and boosting efficiency.
ADVANCED NETWORK MANAGEMENT - Take full control with MikroTik’s robust management features, ensuring optimized performance and security.

The MikroTik CRS309-1G-8S+ is a compact, managed network switch featuring 8 ultra-fast 10G SFP+ ports and Power over Ethernet support. Designed for professionals demanding high-speed connectivity and streamlined power delivery, it offers advanced management capabilities in a lightweight, durable form factor made in Latvia.

Specifications

Brand	MikroTik
Item model number	CRS309-1G-8S+IN
Item Weight	1.1 pounds
Product Dimensions	5.55 x 4.53 x 1.1 inches
Item Dimensions LxWxH	5.55 x 4.53 x 1.1 inches
Voltage	12 Volts
Manufacturer	Mikrotik
ASIN	B07NFXN4SS
Country of Origin	Latvia
Date First Available	February 22, 2019

Have a Question? See What Others Asked

Will the 10g sfp+ ports support 1g/gige sfp's (i.e. are the ports 1g and/or 10g capable)?

Do these switches have the ability for mlag? i.e. i want to have two of these as core switches for redundancy.

Has anyone tried to put two ports in lacp 802.3ad in active mode?

Will cisco sfp-10g-sr and sfp-10g-lrm sfp's work in this?

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