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Category Archives: Networking
John Chambers (CEO) Visits RTP
On Thursday, Cisco Systems was celebrating 15 years at the RTP, NC campus. John Chambers was scheduled to speak at 2 of the 12 buildings on Cisco’s RTP Campus. Having been in the industry for 10+ years now, I’ve always … Continue reading
Posted in Just for fun, Networking
Tagged Cisco Systems, IRIS, John Chambers, Mobile Routing
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Wendell Odom’s Sneak Peek at the CCIE R/S Lab
Interesting write-up on v4.0 by Wendell Odom: http://www.networkworld.com/community/node/46561
Posted in Networking
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CCIE Routing and Switching Lab 4.0
The CCIE R&S v3.0 certification exams will be retired on October 18, 2009 and replaced with the v4.0 exams. Interesting Webex discussion posted here: Officical Update: CCIE Routing and Switching CCIE 4.0 Lab Exam Topics, v4.0
Posted in Networking
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MPLS Layer 3 VPNs
In the following diagram we have a very Basic MPLS network to demonstrate how MPLS Layer 3 VPNs work. In the Service Provider cloud we are running OSPF between R3,R1,R5, and R6. R3 and R6 are running BGP within the … Continue reading
MPLS Basics
MPLS Study Notes Terminology Penultimate Hop Popping RFC 3031 Multiprotcol Transport diff payloads -Ethernet, FRLY, ATM,IPv4, IPv6 Layer 3 MPLS VPN (RFC2547) will be the focus of the 4.0 R&S Exam. Label Switching Labels used to route(switch)traffic instead of normal … Continue reading
High CPU on a Catalyst switch running IOS
This is the troubleshooting process you can take to solve High CPU problems in your network. The root cause is always something different, but the steps are mostly the same. High CPU since Market open…. C6500#show ver System image file … Continue reading
So you want to Build your own CCIE Lab Rack
Building your own CCIE Lab Rack can be a daunting task if you’re not sure how to get started. Hopefully this will provide you a blueprint of what you will need and how to set up correctly so you can … Continue reading
Posted in How To, Networking, Routing, Switching
Tagged CCIE Lab, Certification, Networking
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Setting up a TCL(pronounced as “tickle”) script for CCIE Lab troubleshooting
TCL shell is available on Cisco IOS release 12.3(2)T and later. So, you can run this on your routers but NOT on your switches. This is a great tool, especially during Lab/simulation. You will want to verify connectivity on your … Continue reading
How to make your own Ethernet Network cables
If you are planning to build your own CCIE Lab rack, consider making your own network cables. Making your own network cables is a good way to save money if you need to make a lot of them. At $7 … Continue reading
Posted in Networking, Routing, Switching
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