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Had more problems with Broadcoms, Mellanox and Intels in the last years than with realtek. Relly, a 8139 can destroy a reputation for decades. At least Suspend works under Linux with them. And the 2.5GB were never as buggy as the v225s

You could also look into aquantia cards, like the AQC100S

Passive DAC Cables have minimal power consumption. I have a 5m passive ubiquiti DAC cable in use. i dont know if you could get any longer ones, but 5m might be enough, they're a bit thicker tho 3) Realtek RTL8125/8126/8127 new driver 2.5/5/10GBE

2) You can use a 10m DAC cable, then you dont need to worry about transceivers. 3) i can really recommend the Realtek RTL8127 card. It works well with Linux 7.0 and ASPM states, uses <2W power. Works flawlessy for me so far. You'll find a PCIe 3.0 x2 SFP+ Version on Aliexpress

Source for Linux 7.0 starting to support the R8127 SFP+ card: Linux 7.0 Networking: Prepping For WiFi 8 UHR While Dropping Last Parallel Port Ethernet Driver - Phoronix

Ran into the same Problem: r8127 PCIe 3.0 x2 SFP Card not working with DAC OR any transceiver. But the problem is fixed in linux 7.0...which isn't released yet. Had to download and compile the 7.0rc6 Kernel. Now the System runs fine and stable so far. Card works great.

Ok, if you use wifi, then you should stick to networkmanager, you could also operate your bridge/switch from there. thats a pretty rare use case tho.

yeah, the question mark probably comes from network manager, because you used the debian network/interfaces config stuff and network manager is another way to do it, but ignoes the stuff in /etc/network/interfaces and has its own way to do that. If you dont use wifi and this is a server, i...

Multiple options possible. Networkmanager shouldnt be used on servers, debian basic iface networking should work also, but since Debian 13, systemd is possible too: Here is my purely systemd-networkd based bridge Setup which bridges every single network iface, so the machine kinda acts like a...

BTW! You use an Intel PRO 1000. I can see that there is an Card installed which uses the x4 Width, is that the Card? Intel PRO 1000 is quite old! it would use the x4 width, but still run only with PCIe 1.1. It would never show LnkCap of 5GT/s also, PCIe Gen 1 is quite sufficient for an Dual...

look which PCIe adress your card uses via plain "lspci". e.g. 01:00.0 then use lspci -s 01:00.0 -vv LnkCap2 is what the card supports, LnkCap is the real speed right now.

And please insert a PCIe Gen 2 capable card into the PCIe Slot or mini-pcie socket. I think the only onboard component using PCIe is the 1gbit Ethernet, and even that still uses PCIe Gen 1 if the editCMOS hack is used. Maybe just run: sudo lspci -vv | grep -E 'LnkCap' If we see sth like this...

Hi, anyone tested this one already? Would be interested in the Power Consumption of this Thing. Seems interesting. 4 RJ45 10GBe Ports and 2 SFP+ 10GB Ports.

If anybody got it laying around...Found a working M72E Tiny in the dump, missing top cover. would be a good retrobox

i226 is fine. Avoid first revisions, they are buggy. 2.5gbps Realteks are also fine. I run them for routing purposes on a consumer gigabit fiber connection, they're fine and stable. Even my ONT has a Realtek PHY. Theres not much where you could go into professionel/enterprise grade NICs, if...

it completely resets? like no kernelpanic, or just X crashes, where you at least investigate the error. Its not a PSU problem?

iperf3 is a speedtest. also, i don't have a 10G internet uplink. If your routeros doesn't allow multithreading, i would stick to OpenWRT.

Couldnt sleep so i got bored and started up one of my Futros for some 10G Testing. Slid in a Mellanox Connect-X3, connected it via SFP+ to my cheap chinese 10G switch and booted up some live-USB linux (grml). PCIe Speed was set to PCIe2.0 over the editCmos hack. As you can see, single...

oh yeah, saw that card, which uses a singel PCIex1 3.0 interface. Ive got a similiar card for the minipcie slot. 2x Realtek 8125 behind a ASM PCIe Switch. i saw 2.1gbit/s NAT performance on that one. But still tight. Check out the 4 Port 2.5G Realtek 8125 Cards on Aliexpress, they got a PCIex4...

you can archive 2.5gbps simultaneously on 2 ports.