Archive for July, 2008
Daily Trivia - 6/30
True or False, the spanning-tree etherchannel guard misconfig command on the Catalyst 6500 series only works for ports using PAgP or LACP and upon detection of a misconfigured channel-group, all the ports in the channel are moved into a errdisabled state?
Please email me your answer to be entered into a monthly drawing for a free [...]
Cisco ASA 5580 beats Check Point, Juniper, and Nokia in 10 Gbps Firewall Bakeoff
Cisco is proud to announce the availability of the Miercom performance report that compares the performance, scalability, and “greenness” of the Cisco ASA 5580 versus key datacenter security competitors. Cisco ASA 5580-40 crushed the competition - delivering significantly stronger results including 5-7X the scalability of competitors and proved to be the only viable product [...]
30Jul2008 | Joe Harris | 11 comments | Continued
IntelliShield Cyber Risk Report
The IntelliShield Cyber Risk Report is a strategic intelligence product that highlights current security activity and mid- to long-range perspectives. The report addresses seven major risk management categories: vulnerability, physical, legal, trust, identity, human, and geopolitical. The Cyber Risk Reports are a result of collaborative efforts, information sharing, and collective security expertise of senior analysts [...]
29Jul2008 | Joe Harris | 0 comments | Continued
EoL/EoS Announcement - Cisco AVS 3120 Application Velocity System
Cisco announces the end-of-sale and end-of-life dates for the Cisco AVS 3120 Application Velocity System. The last day to order the affected product is October 21, 2008. Customers with active service contracts will continue to receive support from the Cisco Technical Assistance Center (TAC) as listed in Table 1 in the EoL announcement.
For more details, [...]
Daily Trivia - 7/29
Let’s get back to some basics shall we? True or False, based on the output below of a ’show ip eigrp topology all-links’ command for the 192.168.10.0/24 network. The path via 192.0.23.2 meets feasible condition and will be inserted into the route table of the router if a variance of 78 configured under the EIGRP [...]
29Jul2008 | Joe Harris | 0 comments | ContinuedTool: Iperf
Here is a nice tool that comes to use from Binh Phan called Iperf. It’s a great free tool for throughput testing of networking devices. For those of us who can’t afford to purchase those expensive Avalanche/Reflectors or Test Center from Spirent, Iperf works just great. I know of many customers that use this tool [...]
28Jul2008 | Joe Harris | 7 comments | ContinuedDaily Trivia - 7/26
Since I did not post a Daily Trivia question all of last week due to being out on vacation I thought I would at least get one question in for the week … So here is the question:
What 2 commands can be used to change the subnet mask output of the ’show ip int [...]
New Router: Cisco Secure Router 520 Series
So I was reading through the What’s New in Cisco Product Documentation for July and got down to the routers section and low and behold I came across a router that I had not heard of before. The router is called the Cisco Secure Router 520 series and looks ideal for small businesses with up [...]
25Jul2008 | Joe Harris | 0 comments | ContinuedNow Available: CCNA Wireless Certification Exam
The Cisco® CCNA® Wireless certification recognizes the critical importance of the professionals who support wireless LANs, including networking administrators, wireless support specialists, and WLAN project managers.
CCNA Wireless exam #640-721 IUWNE, the required exam for CCNA Wireless certification is now available through authorized VUE testing centers. To find a VUE testing center in your region, go [...]
PIX to ASA Conversion Tool Available on CCO
Have you tried to copy a PIX configuration directly over to your nice, new, shiny ASA? What did you think of the results of that “copy and paste”? Well contrary to popular believe although the PIX 500 Series Appliances share a common software foundation with the ASA 5500 Series Appliances, you can’t directly use a [...]
25Jul2008 | Joe Harris | 0 comments | ContinuedNew Undocumented 12.4(20)T Feature
There is a nice new feature in 12.4(20)T that I do not believe is listed in the New Feature Documentation for that code. In IOS, by default the interface MTU on all ISR’s with onboard GE/FE interfaces is set to 1518 bytes prior to 12.4(20)T. This would allow you to carry a maximum Layer 3 [...]
25Jul2008 | Joe Harris | 3 comments | Continued
Cisco Certification Exam Security Enhancements
Cisco and its global testing provider, Pearson VUE, a business of Pearson Inc. are pleased to announce a series of security enhancements that will reinforce the integrity and value of its Career certification program.
The advanced security enhancements include the use of digital photographs for candidate-identity verification and forensic analysis of testing data. The new measures, [...]
IntelliShield Cyber Risk Report
The IntelliShield Cyber Risk Report is a strategic intelligence product that highlights current security activity and mid- to long-range perspectives. The report addresses seven major risk management categories: vulnerability, physical, legal, trust, identity, human, and geopolitical. The Cyber Risk Reports are a result of collaborative efforts, information sharing, and collective security expertise of senior analysts [...]
24Jul2008 | Joe Harris | 0 comments | ContinuedService Interruption
Ok so you may have noticed that my site was not available over the last day or so (not sure just how long) and in fact it may still be inaccessible depending on your provider. I had no idea this even happened as I am out on vacation this week with my family and I [...]
24Jul2008 | Joe Harris | 2 comments | ContinuedDaily Trivia - 7/18
True or False, Cisco’s implementation of the PPP Bridging Control Protocol (BCP) allows for BCP support to be configured on the built-in Ethernet ports of the ISR Family of routers when those ports are operating in layer 3 routed mode?
Please email me your answer to be entered into a monthly drawing for a free itunes [...]
Introduction to Cisco IOS Software Activation and Licensing Workflows
If you are confused by the newer IOS activation feature for our Catalyst Switches and IOS Routers or maybe you are wanting a more visual explanation of how the Cisco IOS Activation Process actually works? Then you should spend a moment viewing the Cisco IOS Activation & Licensing Workflow. It takes about 20 minutes from [...]
17Jul2008 | Joe Harris | 7 comments | ContinuedDisgruntled worker hijacks San Francisco’s municipal network
I thought that this might be a good article to share - a real example of how a disgruntled insider can have disastrous consequences.
Disgruntled…
PS – on a personal note, I found the comments section to be hilarious
Catalyst Fixed Switching, Certified Green
Miercom, a leading network product testcenter and consultancy, recently announced its new “Certified Green” testing program and Cisco is proud to announce that its fixed configuration switches are the first products to receive the new certification.
Miercom’s Certified Green program is based on detailed lab test results and qualitative product assessments, and is designed to provide [...]
16Jul2008 | Joe Harris | 0 comments | ContinuedA new interface in 12.4(20)T…
Have you recently upgraded code to 12.4(20)T and noticed a nice shiny new interface in the output of some of your show commands? Well have no fear your router didn’t suddenly download a new piece of hardware without your knowledge when you installed the new code (we haven’t quite ironed that feature out yet). The [...]
16Jul2008 | Joe Harris | 0 comments | ContinuedCisco IOS Software Activation Introduction
The Cisco IOS Software Activation approach to software licensing helps you:
Deploy, manage, upgrade, and track your Cisco software assets
Monitor compliance policies
Automated tools significantly simplify software deployment and license management, saving time and creating a foundation for software asset management.
Software Activation provides easier ways to manage tasks and minimizes the risk of noncompliance and fraud:
Simplified [...]
16Jul2008 | Joe Harris | 0 comments | Continued












