Site-To-Site VPN via CCP

security-gallery-01258I have ran through before on how to create a site-to-site VPN with Cisco SDM which sounds like a repeat but I thought why not bring CCP into light and since I’m studying the newly created CCNA Security (640-554) I figured let’s create a tutorial on it. In this lab I am going to post the running-config of both locations so you can either run it through Packet Tracer or live equipment if you wish. I am running two Cisco 2811s with Advanced Security Version 12.4(24)T8. Let’s do it! Continue reading

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Introduction into Cisco Configuration Professional

Let’s walk through the basics with Cisco Configuration Professional as it is a helpful tool to use at the associate levels of the Cisco certification track and needed if you are looking at getting the CCNA Security certification. In this introduction we will introduce CCP and setup a community and then finally discover our devices within CCP. This is not the first GUI tool Cisco has produced to manage individual routers, an older tool called Cisco SDM also helped Network Administrators which supports the ISR Generation 1 routers. In this blog a while back I talked about Cisco SDM and walked through some tutorials on using it. Although it’s reaching age with Cisco support it is still officially supported until February 28th 2014. The good news with CCP is it supports these older ISR Generation 1 routers as well as the new ISR Generation 2 routers, were Cisco SDM only support ISR G1 routers. Continue reading

Network Troubleshooting

The thing that makes networks awesome is the fact that once you setup a network you’re not done. That may sound like a drawback but it is excellent job security! Engineers or administrators must watch the performance of an organization’s network to make sure that productivity is not affected. Network outages can have a huge effect on an organization, lost revenue and the cost of unproductive employees can severely damage the organization, Earlier this year I also talked about the troubleshooting process which goes hand in hand with network troubleshooting. Continue reading

The “Ending” of Layer Two Redundancy

Although layer two redundancy should never end, this is the final chapter of understanding layer two redundancy in the network. Last week I talked about how and why STP (IEEE 802.1D) is important in the network and the problems and causes of not having it which can turn your network against you and everybody on it. Today’s post will talk about how a switch decides which one is in charge on the network and which ones aren’t Continue reading

Link-State Protocols

Weeks ago and maybe months :), I talked about distance vector protocols and with that you probably got the feeling that when using a distance vector protocol it does not give a full network graphical representation of the entire network. Only the directly connected routes can’t remember? Check out this post Distance Vector Routing. Link state protocols are faster to converge network changes compared to distance vector however when compared to distance vector setup they can be harder to set up, maintain, and troubleshoot when problems arise. Continue reading