Technical

Technical stuff. Everything is my own.

Callmanager Express CME Translation rules

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Currently I am studying for the CCIE Collaboration written to re-certify my CCIE. It was a long time since I worked with the translation rules, so here’s some nice stuff with a load of rules. Basic cme translation rules : /123/ /456/ = replace 123 with 456 ^ = begins with $ = end of … Read more

Dev-ops rules the world with Cisco NX-OS !

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Dev-ops are cool ! So you wanne be cool. Learn the following nice features with Open NX-OS for the Nexus 9000:

What can you do when you login with a dev-ops role on a Nexus 9000:

N9K-OpenNXOS# sh role name dev-ops

Role: dev-ops

  Description: Predefined system role for devops access. This role

  cannot be modified.

  ——————————————————————-

  Rule    Perm    Type        Scope               Entity                  

  ——————————————————————-

  6       permit  command                         conf t ; username *     

  5       permit  command                         attach module *         

  4       permit  command                         slot *                  

  3       permit  command                         bcm module *            

  2       permit  command                         run bash *              

  1       permit  command                         python * 

Lets enable the bash-shell and nxapi feature :

N9K-OpenNXOS# conf t

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Cisco VSM 7.x default password

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Sometime you know the default passwords and sometimes you don’t…. This time I forget it and I had to read the manual… Yuk! 🙂 VSMC : localadmin / secur4u VSOM : admin / admin After the first time you login at the system, the system will ask you to change the password.

Howto Build Your Own Hyper-converged server with FreeNas in 7 steps!

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Hyper-converged systems are hot, but what is it ?

In short : It’s a server where you run VMWare vsphere and you’re using local storage for your NAS/SAN with some better functions than the standard local datastores of VMWare got.

Is it possible to create one for home/SMB purpose ? Well.. I saw the page FreeNas on VMWare ESXi 6.0 and I thought ; Let’s give it a try.

What do you need :

  • a x86 server with lots of memory (for deduplication)
  • Some harddisks.
  • Bootable USD/SDCard
  • Two raid controllers ! One for the disks you want to put in FreeNas. One other harddisk (non-usb or sdcard) for a local datastore for the FreeNas image.
  • VMWare vsphere software
  • FreeNas software.

Howto start :

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FlexPod is here for 5 years now and is it dead ?

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UCP, vSpex, VersaStack, OmniStack, FlashStack and the list is going on and on. So manyFlexPod Converged Infrastructures and/or hyper-converged solutions. All based with Cisco Networking and Cisco UCS. But what about FlexPod ? It’s here for 5 years right now and is it still up to date and relevant? What are the key differentiators for the customer to still have a closer look at this solution ?

FlexPod is alive and kicking !

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TOP 5 reasons to migrate to Cisco MDS SAN Switches

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Yes, I like the Cisco MDS Switches. Right now they got the perfect portfolio for every customer with SAN Switches. Including you ! Just have a peek at the TOP 5 reasons and maybe, just maybe, you like it like I do ! TOP 5 : 5 : Integrated Management. With the standard integrated Device … Read more

UCS Director : IP are reserved although not used by system (Solution)

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Right now I am testing an UCS Director system with some workflows and some nice API’s. Ofcourse not everything is going smooth. And right now I hit the problem that I don’t have any free IP addresses in a pool. Everything got the state “Reserved“, although the system are not using them. Here is the … Read more

Can the Cisco MDS 9396S beat Brocade 6520 ?

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Since July 2015 Cisco is shipping the MDS 93962S. And there is also the Brocade 6520 with very nice performance. The specsheets are almost the same and Brocade switch got lower latency. But why choose MDS 9396S over Brocade 6520 ? Brocade can have 2.1 us of latency while the MDS 9396S got a latency … Read more