Tshoot Drill

The previous post changed the OSPF Hello interval (timer) on a WAN serial link. What’s that do to the output of various OSPF commands in our familiar router triangle? What happens to show ip ospf [...]

For this final variation of a #CCNA Simlet question in this series, consider what happens when one OSPF neighbor changes its OSPF Hello interval. Based on what you expect to change, what show [...]

The #CCNA scenario begins with a working router triangle, using a single OSPF area. Then you shutdown a serial link. What changes with OSPF show command output? Show ip ospf neighbor? Show ip [...]

OSPF fails – a little – on a #CCNA Sim question. What show command symptoms would you expect to see if the misconfiguration was that a WAN interface between two routers was shutdown? What if [...]

The last post set up a #CCNA troubleshooting drill. Today, we’ll walk through the analysis. What were your predictions? On which routers (R1, R2, and R3) do you expect to see a change to the [...]

To answer #CCNA troubleshooting questions, particularly Simlet questions, you need to have skills with show commands. In particular, you need to be ready to predict the key information in each [...]

Today’s post simply shows the answers to the previous post. At the same time, the answer in today’s post is the basis for the next post’s type of troubleshooting practice question. So, check out [...]

The #CCNA exam, especially the #ICND2 half of the content, focuses on troubleshooting.  However, for self study candidates, practicing troubleshooting can be a challenge. This post discusses the [...]