How do I change the default route in CentOS 7?
How to set up a default gateway on CentOS/RHEL, Fedora linux
- Print routing table. To print routing table, we can use route -n.
- Delete default gateway. As you can see above the default route is on the last line with Flags UG.
- Add default gateway. Now, it’s time to add new gateway.
- Making the changes permanent.
How do I change the default route in CentOS?
Change a Default Gateway Permanently Another option to set a default gateway persistently on CentOS is to edit /etc/sysconfig/network-scripts/ifcfg- , and add GATEWAY= there. If the default interface is eth0 , you will need to edit /etc/sysconfig/network-scripts/ifcfg-eth0 .
How do you set a default route in Linux?
sudo route add default gw IP Address Adapter . For example, to change the default gateway of the eth0 adapter to 192.168. 1.254, you would type sudo route add default gw 192.168. 1.254 eth0 . You’ll be prompted for your user password in order to complete the command.
How to set a default route in CentOS 7?
A default route can be set using ip and ifconfig commands for destinations without static routes defined. In RHEL and CentOS 7 and 8 the networking service is managed by the NetworkManager daemon and it is used to dynamically configure and control network devices and keep connections up and active when they are available.
What is the replacement for ifconfig in CentOS 7?
With the introduction of CentOS 7, a new replacement utility, called IP, was introduced as the default network management tool. The IP command-line utility functions similarly to ifconfig with a few minor differences.
How to check the default gateway in CentOS?
On CentOS you can check the routing table with: The previous command prints a table like this: The last line of the table indicates the default gateway of the machine. In this case: You can control default gateway using route command: Keep in mind that this changes are only temporary.
How to change the default gateway in sysconfig?
To change default gateway permanently you need to edit the file /etc/sysconfig/network and change to: With multiple interfaces on the same subnet it’s also possible designate the prefered route to the default gateway with: