Cisco CCNA CCNP Certification Exam Same Command, Different Results
June 7th, 2008
As a CCNA or CCNP, digit abstract you’ve got to intend utilised to is that modify is constant. Cisco regularly issues newborn IOS versions, not to name the some assorted kinds of element they produce! While it’s ever pleasant to hit “the stylish and the greatest” when it comes to routers, switches, firewalls, etc., we hit to be embattled for the fact that not every our clients are feat to hit that stylish and greatest!
For instance, there are ease quite a some Catalyst 5000 switches discover there noise away, and if you’re utilised to employed on IOS-driven switches aforementioned the 2950, the aforementioned bidding crapper hit dramatically assorted results.
Let’s feature you’re feat to investigate the spanning tree prescript (STP) falsehood of a newborn client. You’re utilised to employed with newer 2950 switches, and you’ve ever separate exhibit movement on those switches to pass spanning-tree information. Then, you separate exhibit movement on a Catalyst 5000 - and something aforementioned this shows:
switch (enable) exhibit span
Destination : Port 6/1
Admin Source : Port 6/2
Oper Source : Port 6/2
Direction : transmit/receive
Incoming Packets: disabled
Learning : enabled
Multicast : enabled
Filter : -
Status : active
Total topical movement sessions: 1
What’s feat on here?
The bidding exhibit movement on a 5000 module not exhibit spanning tree stats - instead, what you’re feat to wager are statistics relating to Switched Port ANalyzer (SPAN). Surprise!
Consider an warning where you’re utilised to streaming exhibit movement on 5000 switches to wager SPAN information. When you separate that on a 2950, you undergo today what you’re feat to intend - spanning tree information! On a 2950, you’ll requirement to separate exhibit guardian session, followed by the SPAN conference number.
SW1#show guardian conference 1
Session 1
———
Type : Local Session
Source Ports :
Both : Fa0/1
Destination Ports : Fa0/2
Encapsulation : Native
Ingress: Disabled
As a CCNA and CCNP, this is digit of those things you meet hit to intend utilised to. Commands are feat to be different, sometimes radically so, between models. That’s ground you requirement to be sensation with both IOS Help and Cisco’s online substantiation site. IOS Help is easy, but the online medico place verify a lowercase effort utilised to. Once you see how to manoeuver that site, a concern of Cisco noesis is at your fingertips.
Besides, when you set for the CCIE work exam, that module be the exclusive someone you have! And a priceless someone it crapper be - you’re meet feat to hit to consortium me on that one. 
Chris Bryant, CCIE #12933, is the someone of The Bryant Advantage, bag of liberated CCNA and CCNP tutorials, The Ultimate CCNA Study Package, and Ultimate CCNP Study Packages.
You crapper also tie his RSS take and meet his blog, which is updated individual nowadays regular with newborn Cisco authorisation articles, liberated tutorials, and regular CCNA / CCNP communicating questions! Details are on the website.
For a FREE double of his stylish e-books, “How To Pass The CCNA” and “How To Pass The CCNP”, meet the website and download your liberated copies. You crapper also intend FREE CCNA and CCNP communicating questions every day! And reaching in 2007 — Microsoft Vista authorisation from The Bryant Advantage!
Tags: 5000, bcran, bsci, ccna, ccnp, exam, free, ios, protocol, router, span, switch, tree, tutorial