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HP-UX: How Do I configure routing or add route?

You can use route command to configure routing. Syntax is as follows:
route add net {network-address} netmask {subnet} {router-address}

Let us assume your router address is and network ID is, then you can type route command as follows:
# route add net netmask


To add a default route:
# route add default

Verify that (display) routing table is updated (display routing table):
# netstat -nr

Test it i.e. try to ping or send nslookup request:
# ping mycorp.com

To flush all routing entries use command [quite handy to clean your gordian knot ;)] :
# route -f

However if I reboot HPUX box then above routing entries gets removed. To pick up your setting upon each reboot your need to configure Routes in HPUX networking configuration file - /etc/rc.config.d/netconf. To add default router/gateway
# vi /etc/rc.config.d/netconf

Add or modify following entries


Reboot HP-UX system/server to take effect
# shutdown -ry 0