My Personal Blog
Technical stuff. Everything is my own.
Are you looking for good hardware for your SDS Solution ? Cisco got a nice server with a max of 60 HDDs! Yes, Cisco already got the C3160. It’s almost the same hardware, but there is one difference. The C3260 got 2 server nodes ! Why would you use those 2 nodes ? Think High … Read more
I got my MAC for over 2 years right now and I was sick and tired of copy and then delete a file in finder. I didn’t see the move option anywhere. Finally I found the solution. It’s not a logical one, but it’s working. Go to finder and use copy (from menu of <command> … Read more
Cisco changed the UCS Emulator a little bit with the current 2.2.5a and 3.0 mini emulator. There is no config user anymore ! What if you want to have a static ip address for you emulator ? First go the the console Login with : ucspe and use the password ucspe Now you see somekind … Read more
Sometime you download a VMWare image which is .ova. Most of the times this is for a workstation. You can use vmware tools to convert it to a .ovf, but there is an easy way: Rename the .ova file to .tar. Extract the files and now you see a .ovf file which you can import … Read more
Once I started connecting two commodore 64 with the serial interface. And now we got 100G networks ! Such a wonderful world. Here are just some of the 100G devices/modules that Cisco is selling and it shows that those devices are ready for the future. Nexus 3232C 32x100G in 1U. With 32 QSFP28 ports this … Read more
Today Cisco release the new NX-OS 7.2.0(D1) for the Nexus 7K with some nice features. Before I show the Top 10 of feature, you can download the image via : bit.ly/1RfHxY5 10 : Support for the Nexus 7702 The Nexus 7702 is the new (small) chassis of the Nexus 7K range. See my post bit.ly/1IIDNi6 for more details. … Read more
When I tried to open the Cisco UCS CIMC of the server with firefox I got the error message : Received a malformed Server Key Exchange handshake message. (Error code: sll_error_rx_malformed_server_key_exch) How to solve it ? Just type in firefox : about:config Search for tls and change the value from 3 to 2. Restart Firefox … Read more
Software Defined Networking (SDN), Software Defined Data Centers (SDDC), Software Defined Storage (SDS). A lot of buzz words and is it really something new ? Let’s focus on SDN. What is the problem and what is SDN resolving. More then 15 years ago I was a networking guy. At greenfields I had to deploy sometimes … Read more
It’s time to renew my CCIE again. This time I am gonna do it with the Collaboration written exam. It’s more then 7 year ago that I passed my CCIE Voice, but the knowledge is still there. 🙂 Ofcours I start with the SRND and deployment guides. Normally that covers a lot of the written. … Read more
Today Cisco announed the new MDS 9396S. It’s a storage switch. Not a leaf switch for ACI like the Cisco 9396PX/9396TX. So please don’t confuse those type of switches. The MDS is for storage en the Nexus 9396 is for network switching. http://www.cisco.com/c/en/us/products/storage-networking/mds-9396s-16g-multilayer-fabric-switch/index.html The new Cisco MDS 9396S is a 16G fixed storage switch with … Read more