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iperf3 and Chelsio T6225-CR
I ran four tests yesterday using iperf3. The T6225-CR NIC still runs with Chelsio’s SM10G-SR optics. It’s amazing that receiving TCP streams runs at full speed. Sending TCP streams limps away only at a few megabits per second. This wasn’t expected at all. Even IPv6 runs faster than IPv4 for these particular tests. The Cisco […]
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Chelsio T6225-CR and TOE
After upgrading to a recent base/stable/11, I noticed ifconfig -m now displays two more bits: TOE4 and TOE6 appear in the capabilities word, but not in the options word. (TOE in this case being TCP Offload Engine.)
Read More → Chelsio T6225-CR and TOEError 1603 when installing Microsoft Visual C++ 2008 Redistributable and Autodesk Revit 2019
Today I got error 1603 while installing Autodesk Revit 2019 on a student’s laptop. The best solution is to uninstall all Microsoft Visual C++ runtimes, reboot the computer, and let the Revit installer get its way installing the supplied versions.
Read More → Error 1603 when installing Microsoft Visual C++ 2008 Redistributable and Autodesk Revit 2019Chelsio T6225-CR and SM10G-SR
I finally got my two Chelsio SM10G-SR SFP+ optical modules. First light have finally been achieved.
Read More → Chelsio T6225-CR and SM10G-SRChelsio T6225-CR has arrived
Boot messages for stable/11: The firmware was in need of an upgrade.
Read More → Chelsio T6225-CR has arrivedChelsio T6225-CR and SM25G-SR
I recently ordered a Chelsio T6225-CR network interface card and a couple of SM25G-SR SFP28 optical modules. The aim is to get a 10 Gbit/s connection to the LAN, utilise the off-load capabilities of the NIC, and of course utilise the on-board crypto accelerator. The latter will not be useable until the system moves to the upcoming […]
Read More → Chelsio T6225-CR and SM25G-SRUnable to build ports depending on security/nss
Update 2018-05-29T19:27+0200 synth 2.05 was released not long ago. None of the below applies.
Read More → Unable to build ports depending onsecurity/nss
Migrating UFS filesystem from one disk to another
I needed to migrate an UFS filesystem from one disk to another. I had several options including using two tar processes in a pipeline or using dump and restore in a pipeline. I opted for the latter to make sure everything got preserved during the transfer. Here’s the sequence of commands where /dev/gpt/nroot0 is the […]
Read More → Migrating UFS filesystem from one disk to anotherMicro Focus (Novell) iPrint on Windows 7
I need to remind myself of running the IPP webpage in compatiblity mode in IE11 when installing printers. Even if you specify ipp.FQDN, IE11 will kindly enter your FQDN into the list of domain names to show in compatibility mode. Remember to remove FQDN from that list when you’re done. iPrint client 5.99 seems to […]
Read More → Micro Focus (Novell) iPrint on Windows 7Using QoS for blocking BitTorrent on Catalyst 4500E Sup8E
NBAR2 on Sup8E can assist in blocking BitTorrent. While somewhat useful, BitTorrent is mostly used for downloading pirated movies, and BitTorrent off someone’s ADSL line is usually dead slow. Create a class map and a policy map as shown below, and attach that policy map to your ingress interfaces, and BitTorrent should be blocked. class-map […]
Read More → Using QoS for blocking BitTorrent on Catalyst 4500E Sup8E