System Administration Guide, Volume 3

Turning On Space-Saving Mode

Space-saving mode provides the host with a table that contains only the default routes. On a host, in.routed runs with space saving mode turned off by default.

If you do not want the host to have a full routing table (which provides increased protection against misconfigured routers), turn space saving mode on.

How to Turn On Space-Saving Mode

  1. Become superuser on the host.

  2. Edit the /etc/rc2.d/S69inet startup script by changing the line:


    /usr/sbin/in.routed -q

    to


    /usr/sbin/in.routed -q -S