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Using Deny ACEs in your PBR ACL on your Nexus 7k 20 Aug 2013 | 12:20 am
Quite a while ago I had a need for some network duct tape… Policy Based Routing while useful should only IMHO be used as a temporary fix. But as you know, temporary things soon become part of producti...
Vendor PSA: Words and Phrases to Avoid in Presentations 20 Jun 2013 | 11:56 pm
Over the years IT professionals have sat through countless presentations, conference calls, and keynotes. We’ve been preached too, explained “the problem”, and forced to bear witness to the the future...
Cisco ASA Packet Captures for Fun and Profit 11 Mar 2013 | 09:16 pm
As many of you know my background isn’t in enterprise, but I currently fill that role in my $job. In order to succeed I’ve had to develop many new skills including learning Cisco Wireless, UCS, a litt...
Fixing iMessage on Hackintosh 24 Jan 2013 | 04:34 am
Mid December 2012 Apple shut down the Messages Beta for Lion, soon after many hackintosh users started noticing issues with signing into iMessage. At some point in time, people far smarter than me man...
ASA Double Nat in 8.4+ 28 Sep 2012 | 08:09 pm
Recently I was faced with an issue outside my normal expertise… those of you that know me realize I am anything but a security engineer. But in reality, you must always expand your horizons. One of th...
CCIE Potential 25 Apr 2012 | 06:43 am
INE published a great info-graphic on the earning potential of Cisco’s certifications and I felt the need to share it here. It covers a range of topics from average salaries on all three tiers of prof...
QinQ: IEEE 802.1Q Tunneling 20 Apr 2012 | 03:34 am
In situations where service providers want to offer transparent LAN services that preserve a customers VLAN tags across your Layer-2 network, This amendment to the IEEE 802.1q standard allows us to us...
Cisco IPS Fun 31 Mar 2012 | 01:16 am
Since I’ve recently had some fun working with the Cisco 5585-X and the IPS blades, I wanted to document some of the information I learned while getting them online. Some of this came from various sour...
Another Wicked Vim Tip 29 Mar 2012 | 07:12 am
As a follow up to my blog post on the PacketPushers blog, I wanted to share with you another time saving tip for getting our jobs done not only quickly, but helping to remove one of the tedious steps ...
MDS Fibre Channel Switching Basics for Network Engineers 24 Dec 2011 | 05:05 am
Recently I’ve been lucky enough to be challenged with learning a bit about Fibre Channel Switching, but I’m even luckier in that I’m getting to know it on a set of MDS switches running NX-OS (previous...
