Red Hat Enterprise Linux Troubleshooting Guide

Trial and error

Now that we have identified our issue with data collection and established a possible cause with our hypothesis, we can start our next troubleshooting step: using trial and error to correct the issue.

Removing the invalid route

To correct our issue, we need to remove the invalid route for 192.168.33.11. To do this, we will yet again use the ip command, this time with the route del options.

[db]# ip route del 192.168.33.11
[db]# ip route show
default via 10.0.2.2 dev enp0s3  proto static  metric 1024
10.0.2.0/24 dev enp0s3  proto kernel  scope link  src 10.0.2.16
169.254.0.0/16 dev enp0s8  scope link  metric 1003
192.168.33.0/24 dev enp0s8  proto kernel  scope link  src 192.168.33.12

In the preceding example, we used the ip command with the ...