Blog

I just finished an interview with Matt Elias at TrainSignal Training and they posted it at Applied Infrastructure blog under

We recently had a near-disaster occur at a customer.  A 6500 10/100 ethernet blade had died and was replaced.  When the replacement blade was installed, the configuration for its interfaces [...]

Scott Hogg of Global Technology Resources (GTRI) did a nice blog post for Network World way back in April, 2009 about Forget Five-9s — Go for 100%!” (http://www.networkworld.com/community/node/42281)   Scott spends [...]

A few months ago I had the opportunity of integrating multiple Cisco UC applications with a corporate LDAP solution.  Now that the UC appliances have a "nicer" integration path we see more and more customers going this route.  I wanted to do a quick write up on how some of…

Cisco NAC appliance 4.7.1 was just recently released.  The main new features are support for Windows 7 and Apple Macintosh OS 10.6 (Snow Leopard). Mahesh Naidu, Cisco PMBU Product Manager, also made another interesting announcement on the Miami University NAC Mailing list.  He stated that a separate "NAC sustaining engineering…

Email security is an important facet of data protection, both for enterprises and individuals.  Email security can be implemented to perform email authentication and/or email encryption.  Both authentication and encryption are provided using Secure/Multipurpose Internet Mail Extensions (S/MIME) with public key cryptography (PKI).  The basic requirements for PKI are a…

In October I started a series on the AXL SOAP toolkit and database in Cisco Unified Communication Manager (CUCM).  You can check out part 1 here.  Continuing the discussion, we will go into how to obtain and use the actual tool kit that Cisco provides.

The Cisco Security team had started a podcast series through iTunes in 2008.  They had 7 podcasts and then it died out.  The podcasts are still available, on iTunes.  Just search on Cisco and you'll see the Cisco security podcasts as well as other Cisco podcasts. It looks like they…

Last week I helped a customer with firewall throughput testing that generated some interesting results.  It is educational to look at the test results to understand how we determined what [...]

Just posted my 11/17-18/2009 presentation “802.11 Wireless and Wireless Project Planning” from C-MUG. Nick Hoffman’s (Cisco, 802.11n) Cisco Unified Wireless Network presentation is also posted there.

SNMP is one of the key technologies used in out-of-band Cisco NAC Appliance deployments.  The NAC Manager sends SNMP GET commands to the access switches to learn about the switch port configuration.  The NAC Manager also sends SNMP SET commands to the access switches to change individual switch ports from…

My recent blog articles referenced slides I built and presented at a Bluesnet Network Advisory Group meeting in Santa Barbara, CA. I obtained permission to post PDF versions of the Cisco [...]