What's the risk of running net.ipv4.route.flush

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                          I'm setting up a Linux box through AWS and I'm exploring sysctl.
When I run ip route I can see that there are already routes on the machine refering to 169.X.X.X addresses.   
**Questions**:   
1. What does systctl -w net.ipv4.route.flush=1 do?
2. Could systctl -w net.ipv4.route.flush=1 mess up the default box/configuration needed in order for the AWS Linux instance to work as intended?
                        

Asked by N. J (177 rep)

Feb 2, 2023, 11:07 AM
Last activity: May 11, 2025, 05:04 PM

What's the risk of running net.ipv4.route.flush

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