Category Archives: CISCO

For All CISCO blogs

CCNP ROUTE (Part 10 EIGRP Over NBMA)

Posted on November 9, 2010 by DevilWAH

In what I think will be the last post on EIGRP (I will save redistribution between routing protocols for another time), I want to look at what is needed to insure EIGRP runs smoothly over NBMA (non broadcast multi access) … Continue reading →

Posted in CCNP Route | Tagged , , , , , , | 4 Comments

Simulating PC’s in GNS3

Posted on November 4, 2010 by DevilWAH

One of my main issues with GNS3 for studying that there are no end devices (PC’s) by default. Ok you can set up loopback interfaces, or add in an extra router and just configure one interface with an IP to … Continue reading →

Posted in CCNP Route, CCNP Switch | Tagged , , | Leave a comment

Spanning Tree enhancements (Uplink fast)

Posted on November 2, 2010 by DevilWAH

In my last job, I jumped straight in to configuring Rapid spanning Tree, I mean what is the point of running Standard STP with its 50second fail over times, when you can enable Rapid-STP and gain sub second fail over?? … Continue reading →

Posted in CCNP Switch | Tagged , , , , | 1 Comment

Upgrading Redundant Supervisors on 6500′s

Posted on October 31, 2010 by DevilWAH

I need to know how to upgrade the IOS on CISCO 6500′s, So here is the outline along with a download of the official PDF from CISCO. First confirm what IOS image is running, which supervisor is running as active and the redundancy mode … Continue reading →

Posted in CCNP Switch | Tagged , , , , | 3 Comments

Spanning Tree

Posted on October 28, 2010 by DevilWAH

Here is a nice Flash animation explaing the basic operation of Spanning tree spanning_tree1 DevilWAH Download article as PDF

Posted in CCNP Switch, General | Tagged , , , | Leave a comment

CCNP ROUTE (Part 9 EIGRP Authentication)

Posted on October 25, 2010 by DevilWAH

Seeing as we just finished up a simple EIGRP lab, it seems a good opportunity to add one more simple thing in to the mix. At the moment any one could in theory add a router in to the network, … Continue reading →

Posted in CCNP Route | Tagged , , , , | Leave a comment

CISCO commands

Posted on October 20, 2010 by DevilWAH

Just lately while cleaning up things at work, and on the web I have come across some CISCO commands that are usefully but often over looked, or forgotten. So I thought I would write them up here and attach them … Continue reading →

Posted in CISCO | Tagged , , , | Leave a comment

CCNP SWITCH (retake)

Posted on October 18, 2010 by DevilWAH

Well one more update. I have just checked my email and it seems that CISCO have responded to my comments about the SWITCH exam, and provided me with a re-sit voucher! I think this says something about the quality of this exam as this is the … Continue reading →

Posted in CCNP Switch | Tagged , , , | 1 Comment

Applying a configuration to a CISCO device using xmodem.

Posted on October 18, 2010 by DevilWAH

Last week at work now, so been rushing to get things sorted out. I have still been doing a bit of study and planing some more ROUTE posts, but with a broken down car and house sale looking like its falling … Continue reading →

Posted in CISCO | Tagged , , | Leave a comment

CCNP ROUTE (Part 8 EIGRP Simple Lab)

Posted on October 12, 2010 by DevilWAH

I decided that rather than just use other people labs I would come up with a few of my own, the following lab is very simple, requiring the enabling of EIGRP on two routers so they form a neighbour relation ship, and setting up … Continue reading →

Posted in CCNP Route | Tagged , , , | 2 Comments