Network Consulting - Undocumented Cisco Commands. How to copy running configuration file to your tftp server. Software did install ok, I have Account Control disabled at home.
Just didn't open the ports correctly. TFTP from Solarwinds is more straighforward and working from the first run without any other settings. They have also a category with other free tools for learning, subnet calculator, syslog, etc I downloaded and use those too. Cisco/Juniper Commands. Disabling Dynamic Trunking Protocol (DTP) Cisco's Dynamic Trunking Protocol can facilitate the automatic creation of trunks between two switches.
When two connected ports are configured in dynamic mode, and at least one of the ports is configured as desirable, the two switches will negotiate the formation of a trunk across the link. DTP isn't to be confused with VLAN Trunking Protocol (VTP), although the VTP domain does come into play. DTP on the wire is pretty simple, essentially only advertising the VTP domain, the status of the interface, and it's DTP type. Errdisable Port State Recovery on the Cisco IOS Platforms. Introduction This document defines the errdisabled state, describes how to recover from it, and provides examples of errdisable recovery.
This document uses the terms errdisable and error disable interchangeably. Customers often contact Cisco Technical Support when they notice that one or more of their switch ports have become error disabled, which means that the ports have a status of errdisabled. These customers want to know why the error disablement happened and how they can restore the ports to normal.