Nexus 5000 and Nexus 2000 Series Twinax Cables Certification Matrix

Posted by on May 18, 2012 No comments

If you are going to use Twinax cables with your Nexus 5000 series switches or Nexus 2000 series FEXes you can check the certification matrix here: http://www.cisco.com/en/US/prod/collateral/switches/ps9441/ps10110/data_sheet_c78-568589_ps9670_Products_Data_Sheet.html As a bonus sector, data sheet for the 10G SFP+ modules is found …

Read more »

Life of a Change

Posted by on April 26, 2012 No comments

I’ve been quite busy doing “stuff” the whole winter. Here is one piece of “stuff”: Life of a Change. T minus 7 weeks I created the Change Request (CR). It was based on the discussion we had had with the …

Read more »

majornetwork.net Is Now IPv6-Enabled

Posted by on March 1, 2012 2 comments

Majornetwork.net is now IPv6-enabled! I just forgot to ask for the AAAA record from my provider. Don’t always think that everything has to be hard! I also included an IPv4/IPv6 connection status display for visitors on the right side. More …

Read more »

Juniper SRX100 and HE IPv6 Tunnel

Posted by on February 26, 2012 No comments

“And now something totally different” I bought a Juniper SRX100 as my Buffalo access point/router did not keep up with my upgraded Internet connection speed. I hadn’t used Junos practically at all before that so that world was new for …

Read more »

15.0(1)SY1 is out

Posted by on February 25, 2012 No comments

Well, I started following it, so here it is: IOS 15.0(1)SY1 for Catalyst 6500 is out: http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/15.0SY/release_notes.html  

Catalyst 6500 IOS 15.0(1)SY1 almost out

Posted by on February 15, 2012 No comments

Cisco Catalyst 6500 IOS version 15.0(1)SY is still the latest version in the 15.0SY train for Sup2T. However, 15.0(1)SY1 is very near: http://www.cisco.com/en/US/prod/collateral/switches/ps5718/ps708/product_bulletin_c25-696622.html “Cisco IOS Software Release 15.0(1)SY1 includes the following: Support for the Cisco Catalyst 6904 4-port 40 Gigabit …

Read more »

Choosing Your Core Switches

Posted by on February 10, 2012 3 comments

When designing data center or campus LAN with Cisco products (see I made the point clear here immediately) a no-brainer solution is using Nexus 7000 switches in the core. There aren’t really many cases you can go wrong operationally with …

Read more »

Cisco Live 2012 London Afterthoughts

Posted by on February 5, 2012 No comments

Returned from Cisco Live 2012 (the European edition in London, Jan 30 – Feb 3) I’d like to share some thoughts about the happening. This was my second time in this world-class Cisco event, the first time was in Networkers …

Read more »

Nexus 5000 Tips for Catalyst Admins

Posted by on January 15, 2012 8 comments

I kind of understand the pain that each network admin has when changing the platform, especially if you haven’t had enough time to get experience on the new system prior to production. This article is meant to help the Cisco …

Read more »

Sup2T CMP Console Access

Posted by on January 10, 2012 No comments

Because I always forget how to access the CMP console of Cat6500 Sup2T, here it is: To access the CMP with the console port, type Ctrl-C, Shift-M, Ctrl-C, Shift-M, Ctrl-C, Shift-M To return to the supervisor console, type Ctrl-R, Shift-M, …

Read more »