CCNP Recertification

Posted on Monday, 25th January 2010 by sean

This is the biggest change I’ve seen in the CCNP:
BSCI becomes ROUTE
BCMSN becomes SWITCH
ISCW and ONT become TSHOOT
Looks like more IPv6 content, multicast and IS-IS are gone, and more focus on simulations and troubleshooting.
The old exams are phased out on July 31, so if you have can make it by that date, get cracking!
Exams are [...]

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Posted on Saturday, 10th January 2009 by Angel Castaneda

While memorizing a bunch of port numbers definitely helps you impress the ladies, not everyone has that ability. Fortunately, you can check common port numbers right on the Cisco IOS command line.
Router> enable
Router# conf t
Router# access-list 100 permit tcp any any eq ?

This will result in the following table:
<0-65535>    Port number
bgp          Border Gateway Protocol [...]

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Posted on Tuesday, 25th December 2007 by sean

(cross posted from my blog)
I’m giving 2 talks on using Wireshark to expose VoIP problems at Sharkfest ‘08 (schedule). Details are sketchy, I think one of the talks is more of a hands on lab, the other is me talking. I’ve expanded on my techniques from the Linux Journal article I wrote [...]

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Posted on Tuesday, 17th July 2007 by sean

Cisco announced that Vue is the exclusive test vendor, meaning you can’t use Prometric anymore. Last day to schedule a Prometric exam is July 31st.

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Posted on Tuesday, 26th June 2007 by sean

It was a year or two ago that Cisco split up the CCNA into two exams. (ICND and INTRO). Yesterday it was announced that things were changing again into ICND1 and ICND2 exams along with creating another certification. Passing just the first ICND makes you a Cisco Certified Entry Network Technician, then passing [...]

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Posted on Saturday, 19th May 2007 by sean

Every so often I get a comment or email from someone working on their CCNP which is great. I thought I’d post an update on where I am.
My CCNP expired a couple of years ago. I started this website so that I could post my study notes for the recert exam and hopefully [...]

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Posted on Friday, 18th August 2006 by sean

Often network folk have to make quick estimates without benefit of calculators, measuring tapes, or other handy things. I was thinking about this the other day, and thought I’d post some of the techniques I use.
- I’m 6′ tall, so my armspan is about 6′. Great for measuring the length of cables
- One [...]

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Posted on Tuesday, 15th August 2006 by sean

The CCNP track is being updated. Have a look at the new CCNP prep centre: http://www.cisco.com/go/prep-ccnp
Press release: http://biz.yahoo.com/bw/060815/20060815005343.html?.v=1
Summary of the changes (from the prep centre)
642-821 BCRAN becomes 642-825 ISCW Implementing Secure Converged WANS:
Security, DSL and MPLS added
642-831 CIT becomes 642-845 ONT Optimized Converged Cisco Networks:
QoS and WAN added
642-801 BSCI becomes 642-901 BSCI [...]

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Posted on Thursday, 8th June 2006 by sean

Just a note while I come up for air…
On most switches with a hardware priority queue (egress expedite queue) like the 3550, it’s statically assigned to queue 4 (on switches with 4 queues). Some switches like the 4500s let you switch the queue, but generally it’s on silicon so you’re stuck. No problem.
However, [...]

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Posted on Thursday, 11th May 2006 by sean

Recently I’ve been spending a lot of time dealing with Quality of Service (QoS) for voice, so this article will be an introduction to the topic.
QoS involves giving better treatment to some traffic at the expense of others. It’s not going to make any more data fit on the pipe, it just tries to [...]

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