Cisco CCNA / CCNP Certification Exam: Identical Command, Various Outcomes - 0 views

• 
  #1 Aycock Martinez on 03 Jul 13

   

  As a CCNA or CCNP, 1 factor you have got to get employed to is that modify is constant. Cisco regularly concerns new IOS versions, not to mention the several distinct kinds of hardware they make! While it's often great to have "the most current and the greatest" when it comes to routers, switches, firewalls, and so on., we have to be prepared for the truth that not all our clientele are going to have that most recent and greatest!
  
  For instance, there are nevertheless quite a few Catalyst 5000 switches out there humming away, and if you're utilised to operating on IOS-driven switches like the 2950, the same command can have drastically different final results.
  
  Let's say you're going to look at the spanning tree protocol (STP) setup of a new client. If you think any thing, you will likely wish to discover about click for hurtig lån. You are utilized to working with newer 2950 switches, and you've usually run show span on those switches to display spanning-tree info. Then, you run show span on a Catalyst 5000 - and something like this shows:
  
  switch (enable) show span
  
  Destination : Port 6/1
  
  Admin Source : Port 6/2
  
  Oper Source : Port 6/two
  
  Course : transmit/obtain
  
  Incoming Packets: disabled
  
  Understanding : enabled
  
  Multicast : enabled
  
  Filter : -
  
  Status : active
  
  Total local span sessions: 1
  
  What is going on here?
  
  The command show span on a 5000 will not show spanning tree stats - instead, what you happen to be going to see are statistics relating to Switched Port ANalyzer (SPAN). Surprise!
  
  Contemplate an example where you are used to operating show span on 5000 switches to see SPAN info. When you run that on a 2950, you know now what you are going to get - spanning tree data! On a 2950, you'll need to run show monitor session, followed by the SPAN session number.
  
  SW1#show monitor session 1
  
  Session 1
  
  ---------
  
  Type : Local Session
  
  Supply Ports :
  
  Each : Fa0/1
  
  Destination Ports : Fa0/two
  
  Encapsulation : Native
  
  Ingress: Disabled
  
  As a CCNA and CCNP, this is one particular of these things you just have to get utilized to. Commands are going to be various, occasionally radically so, between models. Visiting lån under 25 talk probably provides lessons you could give to your uncle. That's why you want to be adept with both IOS Assist and Cisco's on the internet documentation internet site. Read This is a prodound database for further concerning the meaning behind it. IOS Help is simple, but the online doc web site take a little getting utilised to. Once you understand how to navigate that web site, a planet of Cisco expertise is at your fingertips.
  
  Besides, when you sit for the CCIE lab exam, that will be the only buddy you have! And a valuable buddy it can be - you happen to be just going to have to trust me on that one particular. :).

   

  <div class="cArrow"> </div><div class="cContentInner">As a CCNA or CCNP, 1 factor you have got to get employed to is that modify is constant. Cisco regularly concerns new IOS versions, not to mention the several distinct kinds of hardware they make! While it's often great to have "the most current and the greatest" when it comes to routers, switches, firewalls, and so on., we have to be prepared for the truth that not all our clientele are going to have that most recent and greatest! <br /> <br /> For instance, there are nevertheless quite a few Catalyst 5000 switches out there humming away, and if you're utilised to operating on IOS-driven switches like the 2950, the same command can have drastically different final results. <br /> <br /> Let's say you're going to look at the spanning tree protocol (STP) setup of a new client. If you think any thing, you will likely wish to discover about <a rel="nofollow" href="http://www.xn--hurtigln-g0a.org/">click for hurtig lån</a>. You are utilized to working with newer 2950 switches, and you've usually run show span on those switches to display spanning-tree info. Then, you run show span on a Catalyst 5000 - and something like this shows: <br /> <br /> switch (enable) show span <br /> <br /> Destination : Port 6/1 <br /> <br /> Admin Source : Port 6/2 <br /> <br /> Oper Source : Port 6/two <br /> <br /> Course : transmit/obtain <br /> <br /> Incoming Packets: disabled <br /> <br /> Understanding : enabled <br /> <br /> Multicast : enabled <br /> <br /> Filter : - <br /> <br /> Status : active <br /> <br /> Total local span sessions: 1 <br /> <br /> What is going on here? <br /> <br /> The command show span on a 5000 will not show spanning tree stats - instead, what you happen to be going to see are statistics relating to Switched Port ANalyzer (SPAN). Surprise! <br /> <br /> Contemplate an example where you are used to operating show span on 5000 switches to see SPAN info. When you run that on a 2950, you know now what you are going to get - spanning tree data! On a 2950, you'll need to run show monitor session, followed by the SPAN session number. <br /> <br /> SW1#show monitor session 1 <br /> <br /> Session 1 <br /> <br /> --------- <br /> <br /> Type : Local Session <br /> <br /> Supply Ports : <br /> <br /> Each : Fa0/1 <br /> <br /> Destination Ports : Fa0/two <br /> <br /> Encapsulation : Native <br /> <br /> Ingress: Disabled <br /> <br /> As a CCNA and CCNP, this is one particular of these things you just have to get utilized to. Commands are going to be various, occasionally radically so, between models. Visiting <a rel="nofollow" href="http://www.iraregia.com/laan-under-25/">lån under 25 talk</a> probably provides lessons you could give to your uncle. That's why you want to be adept with both IOS Assist and Cisco's on the internet documentation internet site. <a rel="nofollow" href="http://www.onlineteachingcoach.com/kviklaan/">Read This</a> is a prodound database for further concerning the meaning behind it. IOS Help is simple, but the online doc web site take a little getting utilised to. Once you understand how to navigate that web site, a planet of Cisco expertise is at your fingertips. <br /> <br /> Besides, when you sit for the CCIE lab exam, that will be the only buddy you have! And a valuable buddy it can be - you happen to be just going to have to trust me on that one particular. :).</div>

  ...

  Cancel

To Top