Cectos 7 No TCP/IP 4 gateway

October 15, 2017 1.1k views
Networking CentOS
rad6
By:
rad6

Hello,

After doing yum update my Centos 7 machine lost the eth0 gateway.
I need to access in from other server in the same zone, via the local IP and set back the gateway using the command like:

ip route replace default via X.Y.Z.1 dev eth0

How can I fix the setting so that the gate way it be all way define.
My IP is dynamic because I delete the server and restore a snapshot from time to time.

1 comment
  • rad6 October 16, 2017

    my workaround was to add to rc.local the lines:

    export MYGATEWAY=$(curl -s http://169.254.169.254/metadata/v1/interfaces/public/0/ipv4/gateway)
echo $MYGATEWAY
ip route replace default via $MYGATEWAY dev eth0
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