Change was in the air, and Bob knew it. Bob had simply been ignoring the fact that the existing IPSec site to site tunnels that he inherited at his company were old school, and there were better options, especially when plans included bringing up dozens of new sites. Since his company was going to be purchasing MPLS services, Bob was open to learning better ways of implementing secure tunnels. In Bob’s studies, he read a article written by Petr Lapukhov on DMVPN and was very interested. Bob’s glee was short lived when he learned that when the spokes of DMVPN had to build tunnels to other spokes, it was not quick enought for voice traffic. Bob learned that the latency happens when setting up the IKE phase 1 and 2 tunnels between the spokes. Then Bob chanced upon one of Anthony Sequeira’s blog posts regarding GET VPN, and learned that with GET (Group Encrypted Transport), there was no need to build the tunnels between spokes, and therefore less latency. This would solve the latency issue for time sensitive traffic, and still have the benefits of encryption! It sounded almost too good to be true.... [Read the rest of this entry -->]
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Posted in CCIE R&S on Sep 30th, 2009
After the huge popularity of our CCIE 3.X Expanded Blueprint here on the blog, I am going to put extra effort in the next two weeks for the new CCIE 4.X R&S Expanded Blueprint. Adding links for Core Knowledge (Tier 1) study should help in that section, as well as Configuration and Troubleshooting. I hope you enjoy and thanks as always for choosing INE.... [Read the rest of this entry -->]
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Posted in CCIE R&S on Sep 29th, 2009
A few minor issues have been updated for our Dynamips topology, as follows:... [Read the rest of this entry -->]
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Posted in CCIE R&S on Sep 27th, 2009
Posted in CCIE General on Sep 26th, 2009
After returning from vacation, Bob (the optimistic firewall technician) decided that he wanted to take some time and get a little bit more familiar with firewall configuration. He was able to get permission to use some spare equipment for practice.... [Read the rest of this entry -->]
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No jokes here folks – just the Top Ten Qualities for a Successful Lab Attempt! Did I miss any? Let me know in the Comments below! I know many of you will take care of the jokes for me.
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Posted in CCIE 2.0, CCIE R&S on Sep 24th, 2009
Posted in CCNA, CCNA General, VLANs on Sep 24th, 2009
Here is the latest (and previous) lessons of our upcoming CCNA course. Enjoy!... [Read the rest of this entry -->]
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Posted in CCIE R&S on Sep 23rd, 2009
As Petr mentioned the other day, we have updated our .net file mappings to correspond with the new blueprint update for CCIE R&S v4. Please refer to his previous post here.... [Read the rest of this entry -->]
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Posted in CCIE R&S, CCIE Security on Sep 22nd, 2009
You have just been given a shiny, new router to configure. As part of the configuration, you are asked to configure an outbound access list which will only permit traffic through to specific destinations. Here are the requirements that you are given for your access-list:... [Read the rest of this entry -->]
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