From the course: Cisco CCNP Enterprise: ENARSI (300-410) Cert Prep

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Debug output

Debug output

From the course: Cisco CCNP Enterprise: ENARSI (300-410) Cert Prep

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Debug output

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- [Narrator] Debug commands are a very helpful and powerful way that we can troubleshoot within iOS. They provide real time information, about what's taking place on the device. But the caveat is , you have to be really careful with how these are used. They can generate lots and lots of information, and in many cases, if you use them incorrectly, if you use the wrong command, you can take down a device unintentionally, by completely overwhelming the CPU on the device and causing it to crash. So the general rule of thumb, when using debug, is that you want to be as specific as possible, in order to avoid this type of issue. So let's take a look at some debug output messages, and see how we can interpret these. Here you can see OU topology, we have an EIGRP area, and a couple of OSPF areas. We're going to take a look at how we can use debugging, to troubleshoot an adjacency issue, with our OSPF area in this…

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