Setting Static Routes in Linux
Linux Set Static Route
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Description:
This article will go through the proper way to set a static route on Linux.
RHEL &
CentOS Installations:
1. Get Interface Name:
Run an ifconfig
or ip addr
in order to grab the interface name, that you want to set the route traffic to go through.
ifconfig
eth0 Link encap:Ethernet HWaddr 08:00:27:40:78:ec inet addr:10.0.0.24 Bcast:10.79.0.255 Mask:255.255.255.0 inet6 addr: 2606:a000:4f85:ac00:a00:27ff:fe40:78ec/64 Scope:Global inet6 addr: fe80::a00:27ff:fe40:78ec/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:177 errors:0 dropped:30 overruns:0 frame:0 TX packets:82 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:17929 (17.5 KiB) TX bytes:9417 (9.1 KiB)
2. Create Route File:
Create a new file named /etc/sysconfig/network-scipts/route-eth0
This file is titled route-eth0 to correspond to the adapter that we want to send the
through in order to get to the selected route.
- The contents of the file will simply be the ip subnet that you want to get to, and the
IP address of the interface that you want to send the traffic to in order to get to the
specified subnet.
10.2.0.0/16 via 10.0.0.24
3. Restart the Network Services:
systemctl restart network.service
4. Verify the route:
route -n
Debian &
Ubuntu Installation:
1. Get Interface Name:
Run an ifconfig
or ip addr
in order to grab the interface name, that you want to set the route traffic to go through.
ifconfig
eth0 Link encap:Ethernet HWaddr 08:00:27:40:78:ec inet addr:10.0.0.24 Bcast:10.79.0.255 Mask:255.255.255.0 inet6 addr: 2606:a000:4f85:ac00:a00:27ff:fe40:78ec/64 Scope:Global inet6 addr: fe80::a00:27ff:fe40:78ec/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:177 errors:0 dropped:30 overruns:0 frame:0 TX packets:82 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:17929 (17.5 KiB) TX bytes:9417 (9.1 KiB)
2. Edit the interfaces file:
Open the /etc/network/interfaces file, and add the route statements to the end
of the interface block.
auto eth0
iface eth0 inet Static
address 10.0.0.24
netmask 255.255.0.0
gateway 10.0.0.1
up route add -net 10.2.0.0 netmask 255.255.0.0 gw 10.0.0.24
3. Restart the Network Services:
systemctl restart networking.service
4. Verify the route:
route -n
meep
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Great article!