Adding a persistent static route » cyberfella ltd, since 2012.

Whether your Windows server or Linux server has multiple NICs to connect it to multiple VLANs and/or networks, sometimes you’ll need to configure a static route so that your server knows which interface to use in order to get to the syslog server, ntp server etc if it is to use a route other than the default gateway.

Solaris

vi /etc/gateways (if this file doesn’t exist read on…)

Underneath>> net 192.168.0.1 gateway 192.168.0.254 metric 1 passive

Add the following>> net 10.0.0.0 gateway 10.8.2.65 metric 1 active

Note: The default gateway is set in the /etc/defaultrouter file

If the /etc/gateways file doesn’t exist, then static routes may have been added “the old way”

cd /etc/rc2.d

ls | grep static

You may see a startup file called Snnnstatic_routes. Inside this script will be non-persistent static routes added using lines that read something like /usr/sbin/route add 10.0.0.0/24 10.8.2.65 1 Append your routes to the ‘start’ section, not forgetting to add a corresponding route delete command in the ‘stop’ section.

Red Hat Linux

echo ‘10.0.0.0/24 via 10.8.2.65’ >> /etc/sysconfig/network-scripts/route-eth0

service network restart

route -n to view the current routing table

Windows

route -p ADD 10.0.0.0 MASK 255.255.255.0 10.8.2.65

netstat -rn to view the routing table

Excellent examples here: http://www.thegeekstuff.com/2012/04/route-examples/

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