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Cisco IOS Macros

Ever needed to make an alteration that would mean you could no longer access the router when you did?  Let's say you have a router with a DSL interface connected to your ISP.  Say you are accessing it remotely and need to change the username and password then bounce...

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Cisco VTI Example

Virtual Tunnel Interface or VTI (Also known as Route Based VPN) are an excellent choice for site to site IPSec encrypted VPNs terminating on Cisco IOS devices. You can always use the older Crypto maps but I find VTIs so much easier to deal with and to debug. If you...

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Cisco IP ACL Configuration

A while ago poor Cisco Freak from the Whirlpool Forum and others had the arduous task of trying to get me to properly understand what happens when a Cisco IP Access Control List (ACL) is applied to an interface as in or out. This sounds simple enough and for 20 years...

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Editing Cisco ACLs

There are a number of different type of Cisco ACLs available on their various IOS powered devices.  Of these the numbered, and named types are the most prevalent.  For my money I always use named where possible as I find them a lot neater and easier to edit live. ...

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Lion Serial Console Cable update.

As previously mention in this article, I had been happily using a serial console cable on my Macs (here after known as an SCC) (mine is an Aten UC-232A) without incident, until I upgraded my Mac Book Air to Lion.  Then it all broke again. Here's what I had to do to...

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Cisco 867w Wireless Configuration

The Product Recently I purchased a nice new Cisco 867w as I needed another router, and it didn't really warrant the expense of an 887w or larger for the task at hand. I am reasonably familiar with configuring Cisco switches, security devices (ASA, PIX etc) and...

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A Lion ate my Windows Partition

Apple in all their wisdom sent me a free upgrade to Lion if I purchased a qualifying product after a certain date. I had so i did. Buuuzzz!!! Wrong answer. After the Lion upgrade (which I hate) from Snow Leopard (which I loved), my bootcamp partition is trashed. My...

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Exchange 2007 EMS- Updating Lists

Frequently I need to update a list in the EMS and invariably I forget how to go about it precisely. A classic example is needing to update the BypassedSenders in the ContentFilterConfig settings.  So for example say that Get-ContentFilterConfig reveals that we have 3...

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