Temporary workaround to recover from intermittent Intel X552/X557 10GbE network outages on 12 and 16 core Xeon D, hoping for a public firmware update fix

If you really want to skip the interesting backstory, jump right down to the symptom, the workaround, and the proposed fix. This issue does not affect popular Xeon D systems with 8 or fewer cores. Backstory Yeah, it's a bit long, and somewhat complicated. At least I know it will feel good when this…

Dec 26 2017

Non-UniFi EdgeMax EdgeRouters can be managed with Ubiquiti Network Management System (UNMS) free beta

Here's Ubiquity's announcement: Introducing UNMS (beta) Ubiquiti Network Management System We invite you to use our new free Ubiquiti Network Management System. You can simply configure, monitor, upgrade, and back up your UBNT devices. Add your routers and switches. You can include your wireless…

Dec 9 2017

Quad9 9.9.9.9 might be a good Google Public DNS 8.8.8.8 alternative, claims better privacy and features DNSSEC, DNS Benchmark indicates better speeds

"How DNS Works" published at "Quad9 DNS" on Nov 15, 2017. There's a new DNS on this planet's interwebs, see the big announcement made yesterday over at IBM: IBM, Packet Clearing House and Global Cyber Alliance Collaborate to Protect Businesses and Consumers from Internet Threats New Quad9 DNS…

Nov 17 2017

Intel released Intel Xeon D 10GbE X552/X557 driver version 4.5.3 today for VMware ESXi, testing underway

I'm in the middle of testing this driver. Keep an eye on the process at this spot in the original article: How to download and install the Intel Xeon D 10GbE X552/X557 driver/VIB for VMware ESXi 6.x, works for X540 too Nov 02 2015 that has been updated many times since it was initially published.…

Oct 31 2017

How to check network driver and NIC firmware details in VMware ESXi

When working on my recent article, How to check that your TCP Segmentation Offload is turned on in both your VMware ESXi server and your VMs I quickly discovered that there seemed to be some shortcomings when checking the device driver versions for some network adapters, such as those that are…

Oct 31 2017

How to check that your TCP Segmentation Offload is turned on in both your VMware ESXi server and your VM

Available on Amazon in Kindle and Paperback. It's likely you've heard many folks rave about Frank Denneman and Niels Hagoort's VMware vSphere 6.5 Host Resources Deep Dive book (on Amazon in Kindle and Paperback). I can only imagine the amount of time and dedication it took for them to get this…

Oct 29 2017

It's Bugtober, with Adobe Flash crashes, numerous CVE vulnerability patches for Wi-Fi and routers, and an Intel SPI vulnerability patch for most Xeon D Supermicro SuperServers

Sometimes a home lab can be kept operational for months with minimal maintenance. This month, many things happened that required more immediate attention. Maybe this month should have been called Bugtober instead of Blogtober, and it ain't even over yet! None of these took terribly long to fix, but…

Oct 24 2017

VMUG Advantage EVALExperience includes latest VMware vRealize Log Insight 4.5 syslog server appliance for easy vSphere, vSAN, IoT, and networking gear log file analysis

Main Dashboard looks pretty cool, click the image to zoom in and have a look around. Boo hoo, my 10GbE network falls to 1GbE and can't get up I was working with Netgear ProSUPPORT Services for Business Users on an issue I was having with one of my 2 Xeon D SuperServers this past summer.…

Oct 16 2017

10G networking for your Laptop - Promise SANLink3 T1 NBaseT Adapter blesses your Thunderbolt 3/USB-C desktop or laptop with 1.0/2.5/5.0/10GbE speeds

Shop The Promise SANLink3 T1 NBaseT Adapter is available on: Amazon - Promise SL3T1GL Thunderbolt 3 to Base-T Ethernet Bus Powered Adapter Dell - Dell part #A9623557 eBay - All items with SL3T1GL in the description Newegg - Promise Thunderbolt 3 to Base-T Ethernet Bus Powered Adapter (SL3T1GL) …

Jul 30 2017

Ubiquiti EdgeRouter Lite (UBNT ERLite-3) Update - still works great for my family, and for my VMware vSphere, Windows, and Linux home lab

This article was originally intended for my audience at The Greater Boston Network Users Group at their July 11th meetup. Until I'm able to do a complete configuration walk through, this spot in a recent "Network Enthusiast" EdgeRouter video I created gives you a good look at how DNS is…

Jul 11 2017

How to fix DNS short name lookup failures on Ubiquiti EdgeRouter firmware v1.9.1

Ubiquiti EdgeRouter Lite Available at Amazon, B&H, and Newegg for under $90 USD. Which EdgeRouters? There are other members of the Ubiquiti EdgeRouter family that use this same v1.9.1 firmware, so this article likely applies to those folks as well, including: ERLite-3 and ERPoe-5 ER-8,…

Jan 1 2017

Holidays Shopping 2016 - TinkerTry Tech Savings

The information in this article is subject to change through year end. Press Ctrl+F5 to refresh your browser, to be sure you're viewing the latest info & images. Most of the on-sale items featured in this article are about products I've blogged about extensively. None are perfect, but they are…

Nov 19 2016

VMware ESXi 6.5 runs well on Xeon D Supermicro ServerServers, here's what you need to know

The install of ESXi 6.5 is just as easy as the install of all ESXi 6.0.x versions before it. Given the 7 year product life design of this powerful and efficient Intel SoC (System on a chip) targetted at virtualization workloads, I expected no less. I have a video below that goes through the simple…

Nov 18 2016

TinkerTry Highlights 001

TinkerTry Highlights New tech evolves quickly, TinkerTry's agility reflects that reality My ongoing home tinkering tends to bring new insights to previously published topics. As I explained here, when the technical updates below articles are significant, I'm pulling together a curated list of those…

Oct 19 2016

ASUS XG-U2008 fanless unmanaged network switch - $249 gets 8 1GbE ports and 2 10GbE ports for my Xeon D two-node cluster

The ASUS XG-U2008 switch is available at Amazon, B&H, and Newegg, see also specifications. These are affiliate links, see disclosure below every article for details. Video unboxing in 4K, and testing under VMware ESXi 6.0U2, here. That purple Netgear XS708T is about as wide as the 2 Xeon D…

Oct 12 2016

iPhone 7 Plus really does perform 2 to 3 times faster than iPhone 6 Plus

Plane Tales - why my iPhone 7 Plus was delivered to the airport At 3am on Friday, September 9th, one of my sons and I awoke to place orders for my extended family's iPhone 7 Plus upgrades from iPhone 6 Plus. Despite getting all the orders completed from 3:18am to 3:43am, the estimated delivery wait…

Sep 22 2016

Replaced my Linksys router with an eero 3 pack after also testing Luma mesh surround Wi-Fi, faster wireless in every room has arrived!

The eero 3 Pack is available at Amazon, Best Buy, or eero for ~$500 USD. The Luma 3 pack is available at Amazon, Best Buy, or Luma for ~$400 USD. Backstory It's been 3 years since my family moved up to 802.11ac with the careful decision to go with the Linksys EA6900 AC1900 Dual-Band Wi-Fi router.…

Aug 21 2016

First look at Ubiquiti mPower Pro power strip, home lab pricing, enterprise features, uncertain future

Ever wonder if there's an affordable power strip that you could add to your home network that would give you insight into the power usage of up to 8 devices, and allow remote power on/off operations? If you're willing to tolerate a bit of initial setup pain that requires a back-level Java and a…

Aug 17 2016

Netgear XS708T managed 8 port 10GbE switch unboxed, noise and power draw measured - suited for Xeon D cluster

What do you look for when you're trying to build a 3 node test/demo cluster, with each Xeon D system blessed with two copper 10GbE ports each? Product Page - XS708T – ProSAFE® 10 Gigabit Smart Managed Switch, Model / Version: XS708T How about a relatively quiet switch that doesn't burn…

Jul 31 2016

Cisco SG112-24 unmanaged 24 port gigabit switch unboxed - efficient, fanless, and surprisingly affordable

How does a 24 port metal-bodied compact switch from Cisco sound? Quiet! Yes, no fans, always a good thing for home labs. Cisco Its compact size also makes this a nice choice for more user group demonstrations, to be announced soon. Unmanaged, efficient (as you'll see in the video), and silent. Just…

Jul 31 2016

Sneak preview of the upcoming HTML5 version of Supermicro Xeon D iKVM remote management shows you can't jettison Java quite yet

You've likely been itching to get rid of that pesky Java requirement if you want to remotely administer your Supermicro gear that's blessed with free IPMI/BMC/iKVM. Especially if you read my closely-related posts earlier this year: Supermicro's beloved iKVM Console Redirection is dumping…

Jul 27 2016

HTTP/2 testing happening at TinkerTry.com, speed-up not currently available on Chrome (Fixed on Sep 20 2016, ALPN now implemented!)

You can confirm whether any page has HTTP/2 enabled by simply visiting KeyCDN's handy online checker: HTTP/2 Test Verify - HTTP/2.0 Support Cloudways Support Center - How to Enable HTTP/2 on Your Web Apps There's some risk of embarrassment here, as I reveal even more of the underbelly of…

Jun 17 2016

Supermicro Redfish API in IPMI firmware 3.3 also supports HTML5 UI

Just a little follow-up about this Redfish API, given it's been a while since this related post: Supermicro's beloved iKVM Console Redirection is dumping problem-ridden Java for HTML5, yay! Mar 08 2016 at TinkerTry It does seem we're getting closer to having something to try on our X10 Generation…

Jun 4 2016

Voter results are in for Supermicro SuperServer bundle preferences featuring Xeon D-1541/1567/1587

Back on May 19th, I kicked off the vote with this tweet: Thanks Canada & @Wiredzone for first-in-world look at Xeon D-1587 16 core SuperServer! https://tinkertry.com/a-good-look-at-the-worlds-first-16-core-supermicro-superserver-xeon-d-1587-thanks-canada .@Wiredzone Video ready…

Jun 1 2016