Recent content by NablaSquaredG

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    ES Xeon Discussion

    What are some good ICX ES? Want to upgrade from Xeon Gold 6326 on Supermicro X12SPL Any cheap Stepping 6 out there? Or any other recommendations?
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    Arista EOS vs EOS64

    Platform Family EOS Image Architecture Supported EOS Image Architecture Recommended CCS-750 (4) 32-bit and 64-bit 64-bit CCS-720/CCS-722 (5) 32-bit and 64-bit 32-bit 7010TX 32-bit and 64-bit 32-bit 7050X3 (1) 32-bit and 64-bit 32-bit 7050X4 64-bit 64-bit 7060X 32-bit and 64-bit...
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    EU Mini Summer SALE: 19.2TB-3.84TB SSD - 64GB LRDIMM 2400-2666-3200 - Xeon 6154-6254 - HDDs and more

    Bought 48 DIMMs, pending shipment :) will report back once I receive them
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    Arista .swi Firmware Checksums

    EOS-4.28.9M: b7192210bff3073bcd0a9271389a08b2 EOS-4.28.9M.swi MD5 516fdf9dbf35e44a2b1bb096362e408a9bf521d27c6386257b249fbddd0b605765a521fc0811f7b01e867ae87be1bd98c5b621e6d716794278cc06cc9f4daab3 EOS-4.28.9M.swi SHA512 EOS-4.28.13.1M: 7668311b8efb479d9bd1dcc7ee195f82 EOS-4.28.13.1M.swi MD5...
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    Rack mount individually metered 120v PDU

    Ebay has some cheapish Raritan PX3-5464R-G1K2, they should be capable of individual outlet metering & switching iirc. Not sure whether they work with 120V though (weird North American grid...) There is also a single PX3-5453R available
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    EU Intel E610-XT2 pack of 5 starting at 247 EUR

    Picked up my parcel from Jacob today. Only one card contained, as expected. I’m gonna return it
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    Mellanox Switches - Tips & Tricks

    Not ONIE / System EEPROM I mean EEPROM in the fan modules / power supplies
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    Mellanox Switches - Tips & Tricks

    @nasbdh9 do you know how to write to Mellanox SN2700 fan & PSU EEPROMs via I²C from Cumulus Linux? I need to mod some fan / PSUs PSIDs I did it via Onyx and mellaggra in the past, but I don't want to install Onyx just for that cumulus@cumulus:mgmt:~$ cat test.bin | sudo tee...
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    EU Intel E610-XT2 pack of 5 starting at 247 EUR

    Geizhals description says „pack of 5“ quite clearly. But sometimes there’s a mismatch between the shops and geizhals. We’ll see
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    EU Intel E610-XT2 pack of 5 starting at 247 EUR

    Ordered at Jacob, let’s see whether I‘ll actually receive 5 cards :)
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    Mellanox Switches - Tips & Tricks

    Absolutely not. The public Mellanox switchdev driver has lots of features, but especially QoS / buffer allocation stuff for RoCE You can find release notes here: Home What if I told you that with the Mellanox internal SDK, those switches could even do MPLS? ;)
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    Celestica Seastone DX010 32Port 100G QSFP28 $250

    It can, but only with recirculation. That’s just one of the limitations. Check the Arista Feature Matrix for 7050X(3) vs 7060X to get an impression Tomahawk 1 has issues with FEC on breakout ports (no RS-FEC on 25G ports) Sadly, most Tomahawk 1 switches have the Atom. Other examples are Dell...
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    Celestica Seastone DX010 32Port 100G QSFP28 $250

    Same chip as 7060CX, DX010, Z9100, etc… But good NOS (JunOS). Not quite as good as Arista, but definitely A-Tier.
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    Celestica Seastone DX010 32Port 100G QSFP28 $250

    Depends what you define as „good“ Juniper QFX5200 (Tomahawk) are already around $500 Trident 3 switches below $500? Some models already are, but only Whitebox. Proper ones like Arista 7050X3 or Juniper QFX5120 below $500? We‘ll see. Mellanox SN2000 is not quite there yet.
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    Celestica Seastone DX010 32Port 100G QSFP28 $250

    There’s a reason why these switches are often comparatively cheap: The lack of a good NOS. SONiC is not a good NOS. OpenWRT does not run on any big enterprise network switch (okay, maybe Mellanox, because these have mainline Linux kernel support), and is not a good NOS. Oh and of course...