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Is there any light for cheap switches 200GbE or 400GbE on the ebay or other sources with used HW ? What will be the future - better to switch from 100GbE into 200 or 400 ? or... still using 2x 100GbE LACP ;) on ConnectX-4 PCIE 3.0 or ConnectX-5 PCIE 4.0?

Since a while I am using HP DL580 G9 DDR4 and G8(+) DDR3 both with 8894 v4 CPU's (replaced from E7 8895 v2), but recently I found nice "old" (~3 years old) server - the X3950 X6 - eight CPU, and bought it. And like always thinking about overclocking it :) I have made some testing, mostly using...

Hello, Just bought super old used HP DL580 Gen9 with 4x E7-8894 v4 CPU (thought next server will be 2xEpyc,but when realized Gen9 is cheaper than my laptop just bought it ;)) I need to upgrade RAM to 512GB or 1TB (It will be C++ builder machine, replacing 60core DL580 Gen8 8895 v2 / 1TB DDR3)...

I am wondering if is it possible for "flash" Mellanox MCX516A-CCAT to MCX516A-CDAT ? Are ConnectX-5 and ConnectX-5 Ex based on the same chip and electronic board and PCIe 4.0 support is only the software thing? or better to not try it - and there is a big (or even 100%) risk having small green...

56GbE is working fine on Mellanox coper cable - now it's time to bring it into reality To use it, I need switch (probably it will be Mellanox SX6036), but first I need FDR transceivers for LC-LC fiber cables and.... I found 0 (only for MPO :/) do you know some models that are more "cost...

I need your help :) I am trying to run 56GbE on super old Mellanox Connect-X 3 353A cards flashed to 353A-FCBT firmware. Is it any method to list "supported link modes" and "advertised link modes" on Windows 10 ? something like "ethtool" from Linux ? I need to find working cables (in my box...

I have an unexpected problem with Celestica DX010, I just (few days ago) start the new company network and realized that I don't have link with 100GbE cards at 100GbE speed, 40GbE is working fine (with Mellanox ConnectX-4 100GbE and Mellanox ConnectX-3 40GbE cards), but 100 isn't. Autoneg is not...

I need to buy 2 routers (preferably identical) in next 2 months for the office use. And I need >> SPEED << ;) (number of devices connected will be ~80, probably 2-4 will need bandwidth at the same time) I have tested some, to understand how it works and what is the limit but now Wi-Fi 6E is...

Hello, I bought some time ago Celestica DX010, and I need your help with L2 configuration. I have install SONiC on it - this was quite easy, switch looks like it's working (green lights when connected with 100GbE equipment, also after changing port speed to 40GbE it's looks like connected with...