qsfp28

  1. Prophes0r

    [ SOLVED? NOPE? MAYBE? ] Do QSFP28 optics work in QSFP+ ports? (Obviously at lower speed)[SX6036][CX3]

    [EDIT] After 2+ more hours I think I have found an answer. Nope. Every article I see talks about compatibility of using older 40Gbit QSFP+ optics in 100Gbit QSFP28 switches. Does the opposite work? I doubt it, but it would be good to know. I'm on a shoestring budget and I'm encountering...
  2. T

    Using Mellanox Infiniband DAC Cables for Ethernet, is this possible?

    This previous thread suggests that using Mellanox Infiniband DAC cables, for ethernet instead should work OK. https://forums.servethehome.com/index.php?threads/qsfp-cables-same-for-ethernet-and-infiniband.18020/ However, as I'm new to all of this stuff I want to try to be as specific as...
  3. M

    EXPIRED Mellanox MCP1600-E002 QSFP28 IB EDR (100Gb/s) 2M DAC used - $12 OBO

    https://www.ebay.com/itm/314167641289 Looks like it was discounted to $12 few days ago. Which is an attractive price for EDR DAC. From quick research MCP1600-Exxx should support 56G Ethernet and FDR 56Gbit/s IB both. Ordered 4 for myself.
  4. B

    Nokia WBX 210 32x-100gbe QSFP28 switch

    Hello STH I have recently purchased the above switch from local recycling company, knowing that this switch runs ONIE I was mistakenly thinking I can install any Linux network distro, but unfortunately it's not possible, it looks like it's only supports Nuage. Did I just got a useless high-end...
  5. K

    100 Gbe NIC recommendations ?

    Hello, At this moment I use 2x HP servers, DL360p G8 and DL380 G9, both with HP 649283-B21 40G NICs... They work fine as ethernet adapters on pfSense without flashing etc... But now I need some decent PCI-e x16 100G NICs for another servers which ill use at 40G (no 100G switch) but I hope to...
  6. S

    Arista QSFP28 100G AOC, 10M, $96.75 from unixpluscom

    I was on ebay searching for cheap QSFP+ AOC's for my Arista 7050QX-32-S and I stumbled across this unixpluscom listing for an Arista compatible AOC-Q-Q-100G-10 for $96.75: NEW Arista 100G QSFP28 10-Meter Active Optical Cable AOC-Q-Q-100G-10M | eBay This AOC cable is $510 on fs.com: Arista...