networking

  1. L

    MikroTik 10GbE x 16 port SFP+ L2 Switch - $268.88 [best offer] @ eBay

    (eBay) New CRS317-1G-16S+RM Cloud Router Switch Mikrotik, 16x SFP+, 1x Gbit Lan Best offered $265, seller counteroffered at $268.88. For my needs I think this switch is awesome - it's super low power (like, double digits afaik). So, you could grab a sweet used Brocade/Dell/etc for a steal...
  2. C

    Huawei OptiX OSN 500

    Hello, Does anyone have experience or owns an OSN 500 and can tell me about its performance?
  3. marcoi

    networking help

    so i need to pick the brains of the network gurus out there. I have an ATT fiber at home with 8 static IP block with 5 usable. I have two ESXI hosts that run home services and dev lab. I setup a third esxi host to be used for external services (minecraft/blog, etc). I have the ATT modem setup...
  4. K

    Unifi with ICX

    Have any of you had any experience with Ubiquiti (Ubnt) gear and the ICX? I am trying to keep the 10gb traffic constrained within the 10gb ports, and only route out when needed to reach a client on the wifi or the internet since the PR01 is connected via 1gb links. I can setup static routes...
  5. R

    STP behaviour question

    Hi, clearly no networking expert here - so maybe somebody with more experience in this can answer :) I am trying to get more resilience in my network by adding a second cross building interconnect. The simplified target design would basically look like this: Now from what I understand this...
  6. R

    Mellanox ConnectX-2 Still Good?

    Hi there. I have recently started building a homelab based on a custom NAS and a few R710's. I am looking to upgrade to 10G networking (point to point, NAS to workstation R710) and am wondering if the ConnectX-2 cards (mnpa19-XTR) are still any good? I've heard that they are plug and play in...
  7. J

    Chelsio T422-CR Half working..

    Hello, (Mods, please move this if in wrong category) I have 2x Chelsio T422-CR NICs installed in my esx hosts. Both hosts are on the same patch level of 6.5. I have installed 6.5 Chelsio T5/T4 VIB and all interfaces appear. I have set both adapters to esxi mode using CLI tool. Now...
  8. Zack Hehmann

    Alcatel-Lucent/NOKIA 7210 D SAS Image

    Hello all, I have an Alcatel-Lucent/NOKIA 7210 D SAS switch that was given to me. I was wanting to use in in my lab. My friend factory defaulted the device before giving it to me. He doesn't have access to any of the images as the device was sent to him for scrap and they don't ues NOKIA...
  9. H

    Cellular Gateway device to communicate with wireless modem

    The Industrial grade contact closures are helping to detect the power supply of every industrial machine and with the help of mesh network I am able to monitor the data from these contact closure by receiving the values from the wireless modem connected to my PC but I looking for gateway device...
  10. U

    Flashing stock Mellanox firmware to OEM (EMC) ConnectX-3 IB/Ethernet dual-port QSFP adapter

    Hello! I have the opportunity to purchase some used dual-port Mellanox MCX354A-QCBT ConnectX-3 cards with VPI network adapter. (10 GbE Ethernet and 40 Gbps InfiniBand.) These would be perfect for my cluster after correct configuration.. They were originally pulled from EMC systems and...
  11. Z

    WTB: Cisco Meraki equipment (MX65 / MX64)

    Hello, Also, looking to see if anyone is selling any Meraki equipment. I'm working with a nonprofit and trying to get some better networking for them on the cheap! I currently have 3x switches / 3x WAPS, but really need MX devices. Looking for anyone who has completed their CMNA (Meraki) and...
  12. I

    How loud are switches (and 1u servers) in soundproofed enclosures?

    I'm planning a 40gbe (maybe infiniband) network for my homelab. I don't have a dedicated server room and from what I read the 40gbe switches are very loud (Mellanox list some of it's ethernet switches with 70dba). In different threads on sth people posted about soundproofed enclosures like the...
  13. L

    HPE Procurve gear still worth it for a home lab?

    I have a home lab and work lab and use HP Procurves (2810 and 2530 mainly). Since HP's policies of paid firmware updates, splitting HPE and HP and their apparent decline in support service what vendor are most of you here using for your home labs?
  14. P

    Voltaire 30035/4036E-LM (low memory version) newb questions

    I recently bought a brand new Voltaire 30035/4036E-LM (low memory version) and have a few general questions that I haven't seen asked or answered. How do I save my running config on the switch to itself (unfortunately I'm not able to run it 24/7), I did a reload thinking it'd save the config...
  15. N

    Vsphere: VLANs & Distributed Switch Port Groups

    Having trouble trunking one of my VLANs into my Vsphere Cluster. Fairly basic setup. 2x ESX 6.5 hosts w/ 2 NICs Internal network is on vlan 1 Untagged IOT network on vlan 11 tagged, not tagged to vmware ports. Onboarding network vlan 200, tagged to vmware ports. Any ideas on what I am missing...
  16. N

    Internet speed being throttled by server?

    Having a minor problem in regards to my setup. I have Time Warner Cable 300mb down /50mb up service. Running WSE 2012r2 with the following setup: 1) Used WSE 2012r2 on the server and set it up as a host only (stripped out everything else) 2) Setup a virtualized WSE 2012r2 machine as my domain...
  17. J

    [Question] Network Speed Issues (Dedicated Circuit) - Hardware Problem?

    Hello mighty gods of information, I'm in need. I recently had a dedicated circuit installed (Level3) and then had a networking services company (BlackBox) run a cable drop for the ISPs equipment to my server room. The issue is that we're paying for a dedicated 100 mbps UP and 100 mbps DOWN, but...
  18. M

    Low 10GB speeds between direct attached servers

    Hi, I have a Windows server 2012 R2 installation on a Dell R710 with an Intel AF DA nic in an x8 slot. I also have an OmniOS installation on a Supermicro X8DTH with an Intel X520-DA2. These devices are directly connected on a 10.10.10.0/24 subnet using Twinax. Both are configured with large...
  19. marcoi

    Help -setting up 2nd dhcp for vms using pfsense

    I'm currently using sophos UTM home edition for my home network. Being free it has limited 50 IP address. So I'm setting up my home dev esxi box which will have various vms running for work related tasks. I setup pfsense on esxi with two nics. One goes to home network, other is internal switch...
  20. M

    10gb NIC issues OmniOS

    Hi, I have 2x Intel AF DA cards (Intel 82598EB). One of which is installed in a Windows Server 2012 R2 box. The other is in a Supermicro X8DTH OmniOS box. These are directly attached by confirmed working Twinax cables but both sides show no link when connected to each other. All interfaces are...