Category Archives: Blog Entries
IPv6 – Setting up a conenction to a Tunnel Broker (Part 5) Firewall
Now that you have a Tunnel Broker connection up and running, you need to put up some type of firewall since you are open to the outside world. The NAT functionality you setup only applies to the IPv4 connection to … Continue reading
IPv6 – Setting up a connection to a Tunnel Broker (Part 4) DDNS
The next part of setting up a connection to a Tunnel Broker we will deal with is keeping the connection up. There is a little bit of housekeeping that we should do before getting started. One thing that I find … Continue reading
IPv6 – Setting up a connection to a Tunnel Broker (Part 3)
Finally got the 2nd ISP connection installed so I could work on this without taking my main connection offline. Here is the configuration that I used on my Cisco 1811W Router. You will see Vlan1 mentioned in the configuration. That … Continue reading
iPad for Engineers – Ghostwriter
One of the main reasons I migrated to using the iPad is that I ended up having multiple notepads lying around, never had the right one with me or the one I had with me was full I needed to … Continue reading
Book Review – “IPv6 Essentials 2nd Edition” by Silvia Hagen, O’Reilly Media
As I try to learn more about IPv6, I felt I needed to turn to what books had been released to get a different perspective. One of the first books I came across was “IPv6 Essentials 2nd Edition” By Silvia … Continue reading
iPad for Engineers – Cisco Technical Support App
This is an app that I use frequently. It allows me to watch for replies to questions I have posted in various Cisco Support Community forums. For forums that match the various technologies that I work on, I can “subscribe” … Continue reading
Evernote – Using Fujitsu ScanSnap scanner to keep track of drawings and other things not written
My ScanSnap S1300 scanner is probably the thing that I use most with Evernote. There are two choices when you need a portable scanner to take with you, The S1100 is ultraportable and the S1300 has an ADF (Auto Document … Continue reading
IPv6 – Cheatsheet on identifying valid IPv6 addresses
These are examples of addresses that I have come across while I have been reading about IPv6. Sometimes finding a invalid/bad address will take a bit longer until we all get comfortable with the shorthand and conventions of a properly … Continue reading
IPv6 – Reserved IPv6 Address Ranges
This is the list of reserved IPv6 address ranges that I have been building since I started reading the IPv6 RFC’s that I have been going through. As I find others, I will add them to this list. If you … Continue reading
Network Toolkit – Where to place taps, multiple single taps or a single tap with multiple ports to use
The downside to using a Ethernet TAP is that you have to have a momentary disruption on a network when you install or remove a TAP. If you need to use one in a longer term situation, an outage shouldnt … Continue reading
