A Case Study on Root Port Selection

This is a quick case study to determine if the switchport cost and priority settings should be set locally or on the upstream switch.

http://bosononline.com/Blog/tabid/55/EntryId/7/A-Case-Study-on-Root-Port-Selection.aspx

Comcast to begin IPv6 Trials

http://blog.comcast.com/2010/01/preparing-for-the-ipv6-transition.html

Available IPv4 addresses dwindle below 10%

Network World post on available IPv4 Addresses.

http://www.networkworld.com/news/2010/011910-ipv4-addresses-dwindle.html

History of the Cisco Command Line Interface

Terry Slattery blogs about his experience developing the CLI.


http://connection.netcordia.com/blogs/terrys_blog/archive/2007/10/28/the-history-of-the-cisco-cli.aspx

Google Public DNS

Google opens a public DNS server with easy to remember IPs and reported faster performance. Point your machine to 8.8.8.8 and 8.8.4.4.

http://code.google.com/speed/public-dns/

Big Changes Coming To The CCIE R&S Lab

Cisco has announced revisions to the CCIE R&S lab. Changes will happen on October 18th. Revisions include:

* IOS 12.4t
* MPLS
* Troubleshooting Lab

* EIGRP for IPv6

* Multicast for IPv6

* Zone Based Firewalls

* IOS IPS

* Router IP Traffic Export (RITE)

* IOS Embedded Event Manager

Here are links to the new blueprints for written and lab.

https://cisco.hosted.jivesoftware.com/docs/DOC-4374

https://cisco.hosted.jivesoftware.com/docs/DOC-4375

Google: IPv6 is easy, not expensive

http://www.networkworld.com/news/2009/032509-google-ipv6-easy.html