Linux, un avanzado router/firewall
Ruteo avanzado



 # more /etc/iproute2/rt_tables
 #
 # reserved values
 #
 #255    local
 #254    main
 #253    default
 #0      unspec
 200	test

 #
 # local
 #
 #1      inr.ruhep

 # ip rule list
 0:      from all lookup local
 32766:  from all lookup main
 32767:  from all lookup 253