Posted on Apr 30, 2008 under Redhat |
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default-gateway Redhat rhel
The Default Gateway is the IP Address of a router or a routing device to which all the packet to a destination for which the server doesn't have a route will be forwarded to. Most of the servers in any network leave the routing job to the routers meaning there will be a default gateway added to the system and very little (if any) static routes added to it. This makes management much easier.
This procedure should work on Redhat Enterprise Linux, Fedora, Centos.
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Adding the IP Address in Redhat Enterprise Linux can be done by using the netconfig tool or by editing the network-scripts or by using the ifconfig command. While this procedure is tested on Redhat Enterprise Linux, I'm sure it should work on CentOS, Fedora and older Redhat versions.
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The Maximum Transmission Unit (MTU) can be set/modified in real time on Redhat Enterprise Linux or can be set force the value at boot time.
The MTU in simple terms is the maximum size of a packet that can be sent on a Network Interface card. The default MTU size is 1500 bytes.
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If you know there is always going to be a permanent route for a destination then a static route can be a viable option.To add a persistent static route in Redhat Enterprise Linux create a file called route-<int>X in the /etc/sysconfig/network-scripts/ directory
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