Useful commands
- configuring an interface
ip address <address> <mask> (config)
- static routing (config)
ip route <network> <mask> <address> [distance]
- default route (config)
ip route 0.0.0.0 0.0.0.0 <address>
ip default-network <network>
in the second case router determines next hop
- netmask format (decimal,hexadecimal,bit-count)
terminal ip netmask-format <format>
ip netmask-format <format> (config)