Overcoming Challenges with SPAN and TAP limitations

About a week ago I taught an IPS class. It’s one of my favorite classes to teach. One of the topics that I cover is how to configure a SPAN port. For those of you unfamiliar with what a SPAN session is, let me explain. Essentially...

Is the Security Appliance Going Virtual?

A few short weeks ago I had the privilege of attending Gestalt ITs Networking Tech Field Day. It became apparent very quickly that the topic of interest to all the vendors was that of Data Center Virtualization. Each vendor that we...

Opportunity to Ask The Vendor

Next week, September 16-17 in San Jose, Ca, I will have an opportunity to visit with a number of vendors as I participate in the Networking Tech Field Day. I'd like to open up the opportunity for my readers to ask any questions they...

Cisco Announces Wireless Vulnerabilities

Just when I decided to dedicate more time to blogging about Cisco Wireless and other Cisco related areas but didn't have anything to blog about Cisco has brought me the answer. The answer to my blogging dilemma lies in Document ID:...

Return from Hiatus With Cool Resources

It's been some time since I've posted here at Network World, and the be completely honest, I wouldn't know where to begin with a post on Wireless Networking. In fact, sometimes, in this business, our focus shifts to other areas. In...

Are you Vulnerable?

Is your network Vulnerable? If you are running 4.x and 5.x WLC software you may be. Ask yourself, "Did I follow Cisco Best Practices?" If you didn't you may be sorry. A recent issue with OTAP has been widely discussed in online...

LWAPP's Split Mac Design

One of the key concepts of LWAPP is the concept of split MAC. Recently I was asked if there was a document that described this concept. The answer is yes, but it gives me an opportunity to share a bit about it here since its a...

Cisco Defends the CCNP Wireless Announcement

A few days back I posted an article about a Cisco Learning Partner that released the CCNP Wireless Courses to the public before Cisco Announced them. In defense of that I received an email from a Cisco Program Manager thats...

Cisco Announces CCNP Wireless..Maybe.

It appears that Cisco Announced the CCNP Wireless on the Cisco Learning Network. One thing however, is that the link simply takes you to the Featured Learning Partner Pages. I still can't find any course descriptions. I'm sure...

CCNP Wireless Curriculum Announced by a CLSP- but not Cisco.

Some of you may find this interesting, and some of you may have already seen this mentioned on the Cisco Learning Network. Apparently Fastlane, a Cisco Learning Solutions Partner, has announced the courses in the CCNP Wireless...

5 great links for CCNA Wireless Candidates

Every now and then I pop over to the Cisco Learning Network (CLN) and review the discussions in the CCNA Wireless area. When I started learning Cisco technologies we didn't have anything like this. Its a great resource and if you...

IT still proves to be a hot job market.

This week I am teaching a class in the Ascolta Bellevue office. Some of them have asked me what areas of expertise are hot right now. While I can personally say that Wireless and Security has done well for me there are some other...

DSSS tidbits.

Before I get started with this post I want to apologize to the readers here for taking so long to get a post up. Over the last few weeks I have been ramping up for the CCIE Security Lab exam which I took and passed on Friday, March...

Are Wireless Certifications Right For You?

It's been a little quiet here on my blog front but thats because I am preparing for an exam on Friday. You know, the kind you have to travel the San Jose or RTP for? Anyhow I ran across a post by Sanjay Mehta on the CLN. For those...

What's in a name, and what's in a certification track?

As I was reading the "Informal" announcement of the new CCNP Wireless I got to thinking that this is just another area where Cisco, for the time being, is being consistently inconsistent. I joke around about that because it comes up...

CCNP Wireless Announced

I wanted to get this out there as soon as possible! In a tweet from @learningatcisco the CCNP wireless was announced today. The tweet pointed to a post on a blog, so it's not official from Cisco as far as I can tell, but I know its...

CCNA Wireless Home Lab: What should I buy?

In this post I’ve been asked to discuss what equipment you could use to perform CCNA Wireless lab exercises. The following list will allow you to perform all the tasks discussed in the CCNA Wireless outline with only a few...

CCNA Wireless Technical Presentation Video

As Promised, here is the posted video content from the webinar last week that details the technical content of the CCNA Wireless, minus the sample chapter. I have to get permissions before posting the sample chapter so if that...

EIRP in a nutshell

Todays topic comes from a sample question that I came across in one of the “Study” questions on the Cisco Learning Network. The question asked how to How do you calculate EIRP? I realized that the last post pretty much covered...

Summing up RF math (no pun intended)

If you attended the free Webinar on Wednesday I told everyone that I would answer the question posed in my last post, and I will. But, based on some of the comments I think a little more explanation is needed. Forgive me for my...

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