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Comments for The Lone Sysadmin



Rounding Up IT Outlaws



Last Build Date: Fri, 30 Mar 2018 16:55:52 +0000

 



Comment on No VMware NSX Hardware Gateway Support for Cisco by Ben Tanner

Fri, 30 Mar 2018 16:55:52 +0000

Sadly, they're still a necessary evil for UCS as a compute platform. We like to describe UCS as the ultimate pet hotel - you likely wouldn't use it to build a next-gen cattle-ready private cloud DC , but as a place to keep your legacy enterprise pets, it's pretty darn good.



Comment on No VMware NSX Hardware Gateway Support for Cisco by Greg Ferro

Fri, 30 Mar 2018 13:26:42 +0000

Fabric Interconnects are built on very old silicon that is unable to support modern packet forwarding. Really, they should be obsolete but customers are still buying them so why invest in new product ?



Comment on No VMware NSX Hardware Gateway Support for Cisco by Greg Ferro

Fri, 30 Mar 2018 13:25:43 +0000

I would bet strongly on vendor politics here. Cisco very much wants its customer to use its ACI product. At this time, it would appear they have decided not to offer their products to VMware for certification because that improves their chances of flogging ACI to customers. AKA the "we don't support it so you shouldn't buy it" as a sales pitch. Customers using NSX will not find ACI useful or valuable because its function are far more capable and useful from a virtualization perspective. Conversely, networking folks sometimes find ACI more useful because of its focus on automating legacy network operations. Its up to customers to tell Cisco that they will make more money by supporting NSX. I highly recommend that you do this by not buying ACI which makes server and switch revenue more attractive. In general, I consider ACI is less valuable than an NSX solution (your mileage may vary).



Comment on No VMware NSX Hardware Gateway Support for Cisco by Bob Plankers

Wed, 14 Mar 2018 19:04:04 +0000

A VMware SE has told me it'll work but has issues with subinterfaces and such. Regardless, if you're having an issue you won't get help from VMware until it's certified... UCS might be fine because Cisco will support it, probably, until it's confusing and they point the finger at VMware and then you're stuck. Also, love the first line. Thanks for the comment!



Comment on No VMware NSX Hardware Gateway Support for Cisco by Ben Tanner

Wed, 14 Mar 2018 18:10:23 +0000

Hi Bob, Long time reader, first time commenting. There's a pretty good breakdown here: https://www.cisco.com/c/en/us/products/collateral/switches/nexus-9000-series-switches/white-paper-c11-740091.html Suffice it to say that it does work with newer Cisco 9300s, but never seems to have made it to the HCL. It's been a long frustration of mine and my colleagues. UCS is another conundrum - how do fabric interconnects fit into all of this, particularly if you think about leaf-spine, overlays etc. What about hardware VTEPs on the VICs themselves etc.



Comment on Intel X710 NICs Are Crap by Mike Lowe

Fri, 02 Mar 2018 03:30:51 +0000

You have no idea how many firmware and driver versions I had to go through over the past 2 years to get ones that were stable. When they were brand new the TSO had the same corruption bug that intel had in their nics 10 years earlier. This is all on Linux without the complications of VMware.



Comment on Intel X710 NICs Are Crap by Bob Plankers

Thu, 01 Mar 2018 18:58:00 +0000

Thing is, you pay real money for those TSO/LRO offloads. They need to stay on.



Comment on Intel X710 NICs Are Crap by How to Troubleshoot Unreliable or Malfunctioning Hardware - The Lone Sysadmin

Thu, 01 Mar 2018 16:55:23 +0000

[…] post on Intel X710 NICs being awful has triggered a lot of emotion and commentary from my readers. One of the common questions has […]



Comment on Intel X710 NICs Are Crap by james

Thu, 01 Mar 2018 15:24:28 +0000

In my $day job we have been hit by numerous and random PSOD due to issue with ESXi and Intel x710 nic. Disabling TSO/LRO is not an option due to our workload. We end up replace them all with Mellanox nic. What puzzle me is even with random PSOD issue, VMWare still listing Intel x710 in verified hardware HCL list.



Comment on Fix the Security Audits in vRealize Operations Manager by Bob Plankers

Tue, 27 Feb 2018 23:41:46 +0000

Exactly. People need to remember that management tools are apps and need all the same care and feeding as any other application. Unlike other business apps they're 100% overhead, though -- negative ROI.