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 heard John Chambers’ name mentioned at the same time you hear the phrase “Economic Bellwether”. That’s [...]
|
||||||
   |
Interesting write-up on v4.0 by [...] 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 [...] 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 SP and are peering with each other, though NOT directly connected. Our customer routers are set up [...] MPLS Study Notes Terminology Penultimate Hop Popping RFC 3031 Multiprotcol 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 IPv4/IPv5 route. 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 is “disk0:s72033-advipservicesk9_wan-mz.122-33.SXH.bin” =-= Below we see 77% Total CPU with 33% from interrupt traffic, and ~ 40% from IP Input. C6500#show proc [...] 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 spend more time doing Labs and less time trying to figure out how to build the [...] 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 Lab network constantly. So open up Notepad and copy/paste the ip address of every device/interface that you [...] 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 for a 3ft patch cable, you can spend quite a bit of money if you need, [...] |
|||||
|
Copyright © 2012 Jeff Greene - All Rights Reserved |
||||||