A post on techexams.net recently made me
look into parser views in more detail.
I read the section in the CCNA: Security Official Certification Guide
about them a while back (the entire one page of it), and never really
gave it much thought, but I was prompted by the post on the forum to
look into them in more detail.
Parser views are a … Read whole post...
Now that ICMP traffic is fragmenting across the network, it's time to
change and start using TCP traffic.
This is a follow on from MTU / Fragmentation / ACL Tests….Part
1 and I am aiming to find out what happens to fragmented packets when
matched to static extended access lists.
I'm going to use a program called
Ostinato for this.
It's a freeware tool for generating … Read whole post...
I've just set up CCP on Windows 7, connecting it to a 7200 series router
in GNS3. It's a simple enough process, but there were a few "features"
along the way.
I thought I'd share my experiences and maybe help someone out along the
I started with downloading CCP. It's freely available from the Cisco
website, as long as you have a valid Cisco … Read whole post...
I've spent a fair few hours now trying to get a AAA Radius server
working with GNS3, so I thought I'd share my experiences.
Just so you know, I'm using Windows 7.
First off, I installed VirtualBox. You can get this here: Oracle VM
Next, I downloaded Ubuntu Desktop. You can get this here: Download
I created a new VM, with 512MB RAM … Read whole post...
Well that's that! Passed my TSHOOT this morning so I'm now
Happy as larry - whoever larry is.
It's been a lot of hard work, long evenings and expensive electricity
bills, but I'm there.
My summarisation on my experience -
ROUTE: Lab lab lab. There's a lot of material to cover in this topic,
and a lot of practical can be done to practice. I … Read whole post...
After watching my router go around and around in circles, continually
failing to boot, I decided enough was enough. Time to break out ROMMON
I've used ROMMON before to download a TFTP image, but it's never
something I remember off the top of my head. In the interests of this
being my own personal wiki, and so it's here for anyone else it benefits … Read whole post...
The other day I was implementing BGP when I was presented, much to my
horror, with a message stating that BGP was not available in this image.
Strange, because I had two identical routers, both the same model, and
it worked fine on the other one! When I looked, one had and advancedIP
image, and one had a baseIP image.
No problem, I thought. Set … Read whole post...