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Category Archives: Networking
Backup Cisco Configurations with SSH on Windows
I have done a brief write-up about backing up Cisco IOS configurations over an SSH connections in the past. Unfortunately, this article was based on expect, a Linux utility. There is, however, a similar but simpler way to accomplish the same thing on windows. Continue reading
Mitel Phone DHCP Configuration with Multiple VLANs
Typically it is always recommended to segregate VoIP traffic from your typical data traffic. Recently, however, I was part of a Mitel 3300 phone system installation that was taking a different course. The techs with the local phone company doing the installation were not familiar with this concept and wanted to actually statically address the phones as well. Not cool, scalable or best practice particularly as the network grows and changes. Continue reading
Configure Hurricane Electric IPv6 over IPv4 Tunnel with Monowall
We have been holding on to IPv4 for a long time. We are well past the initial “run out of addresses” date thanks to VLSM, NAT and some other addressing tricks. The facts are, however, that IPv4 is running to its end and will eventually become obsolete. Fortunately, however, there are ways to ease into IPv6. One that I found, since my ISP does not yet offer IPv6 service, was to create a tunnel to someone who does. Tunnelbroker.net powered by Hurricane Electric was one of the options. Another tunnel broker you might consider is Core Transit who will tunnel … Continue reading
Capturing Traffic with the Cisco ASA
I have written quite a few things lately about capturing traffic so why not write another? This time we will be taking a look at capturing data from another key place in the network; the firewall. Continue reading
Posted in Networking, Security Tagged cisco, configuration, networking, packet capture, security, testing, trouble shoot Leave a comment
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