Cisco IOS Fixes

lewisgill.com

This page provides fixes for all the troubleshooting issues I have encountered in Cisco IOS. These solutions will work on both IOS and IOS XE.


REMEMBER TO ALWAYS SAVE ANY CHANGES TO NVRAM PERSISTENT STORAGE THROUGH THE COMMAND COPY RUNNING-CONFIG STARTUP-CONFIG

Issue(s) Cause Fix
sh int bri returns "Gateway of last resort is not set" even though sh run | i route proves this incorrect. The interface that the gateway of last resort points to is down. On the interface your gateway of last resort is on run, no shut and then quit with end. Run sh int bri and ensure the interface is now up.