Defending Your Console

Here is a blog post I wrote for Cisco.

http://blogs.cisco.com/perspectives/defending-your-console

The CCIE R&S is transitioning to V5.0 June 4th

Here is a link to the new blueprint for the written.

http://www.cisco.com/web/learning/exams/list/ccieRS.html#~Topics

Pay special attention to a cool/useful new feature, click on the "exam topics" tab, and you will find the percentages for each topic. This should help to decide how much effort you should put into each topic.

10%     1.0   Network Principles
15%     2.0   Layer 2 Technologies
40%     3.0   Layer 3 Technologies
15%     4.0   VPN Technologies
5%      5.0   Infrastructure Security 
15%     6.0   Infrastructure Services


Within each of the subsections you can drill deeper for more details. This feature seems to have added to most if not all of the certification exams

Annual Cisco Live Twitter Picture

 

Wendell Odom explains how to use the old CCNA books for the new tests.

Operation Network Raider

The US government is having some success in convicting network gear counterfeiters.

http://tech.slashdot.org/story/10/05/08/1454206/Crackdown-On-Counterfeit-Networking-Gear?from=rss&utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+Slashdot%2Fslashdot+%28Slashdot%29&utm_content=Google+Feedfetcher

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

Internet Engineering Community Regrets Not Making IPv6 Backwards Compatible With IPv4

http://www.networkworld.com/news/2009/032509-ipv6-mistake.html?hpg1=bn

Cisco to take on VMWare?

It looks like Cisco has a big announcement next week about virtualization.

http://www.networkworld.com/news/2009/031109-ciscos-data-center-push-holds-promise.html

Google May Invent Their Own Router?

According to the SDTimes blog, Google may take away Juniper's largest customer.

http://www.sdtimes.com/blog/post/2009/01/05/Google-To-Doom-Juniper.aspx

4 Byte Autonomous System Numbers

Starting Jan 1 2009 Arin will allocate 4 Byte ASNs by default, 2 Byte ASNs by request only.

http://www.arin.net/policy/nrpm.html#five1

Cisco support documented here.

http://www.cisco.com/en/US/docs/ios/iproute/configuration/guide/irp_bgp_overview.html#wp1055927

Network World Chat on IPv6

These guys try to present a business case for running IPv6.

http://www.networkworld.com/cgi-bin/mailto/x.cgi?pagetosend=/export/home/httpd/htdocs/chat/archive/2008/091108-ipv6-strategies-chat.html&pagename=/chat/archive/2008/091108-ipv6-strategies-chat.html&pageurl=http://www.networkworld.com/chat/archive/2008/091108-ipv6-strategies-chat.html&site=lanwan

Policy Change to Payment for CCIE Labs

As of September 6th Cisco will require payment for CCIE lab dates 90 days in advance. Click the link for the official post.

http://www.cisco.com/web/learning/le3/ccie/announcements/index.html#policypayment

Complete lack of Interest in IPv6

Less than 1/100th of 1% of the traffic on the internet is IPv6...

http://asert.arbornetworks.com/2008/08/the-end-is-near-but-is-ipv6/

FBI Fears Chinese Hackers and/or Government Agents Have Back Door Into US Government & Military Computer Networks

FBI investigating sources of counterfeit Cisco equipment, read the slide show here, to see some of the sources.