Error while configuring IP in ifcfg-eth0 on Linux Server “RTNETLINK answers: network is unreachable” by Albert December 28, 2020 This error may arise if the IP address and Gateway subnets are different. Make sure both IP address and Gateway have the same subnets. For reference, the ifcfg-eth0 configuration file is given below. TYPE="Ethernet" PROXY_METHOD="none" BROWSER_ONLY="no" BOOTPROTO="none" DEFROUTE="yes" IPV4_FAILURE_FATAL="no" IPV6INIT="yes" IPV6_AUTOCONF="yes" IPV6_DEFROUTE="yes" IPV6_FAILURE_FATAL="no" IPV6_ADDR_GEN_MODE="stable-privacy" NAME="eth0" UUID="3d9bd3c7-310c-4e46-a57c-5b3a99819f78" DEVICE="eth0" ONBOOT="yes" IPADDR="37.48.96.245" PREFIX="27" GATEWAY="37.48.96.254" DNS1="8.8.8.8" IPV6_PRIVACY="no" Remove route entry from etc/sysconfig/network-scripts/route file.
