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How to configure 3 interfaces in OracleLinux 7.6

User_NVACVMay 30 2019 — edited May 31 2019

Hello for everyone, we need to configure correctly the IP-Routes and We need a NIC for public IP (eth0), and the others 2 NIC's for private comunication (eth1-eth2).

I try to delete the IP route of eth2 but when restart the service the configuration is loss,

How can we delete this configuration permanently?
This is my IP ROUTE

Destination Gateway Genmask Flags Metric Ref Use Iface

default gateway 0.0.0.0 UG 0 0 0 eth0

default gateway 0.0.0.0 UG 100 0 0 eth0

192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 eth2

192.168.1.0 0.0.0.0 255.255.255.0 U 100 0 0 eth0

192.168.11.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1

When I delete eth2, the public ip (eth0) works. but when restart network again change de ip route.

How configure this as permanently? or How can we configure correctly and permanently the IP route

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Thank you so much for any help.

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Added on May 30 2019
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