List all IPv4 routes:
[code]route print -4[/code]
Add route:
[code]route add (destination subnet start IP) mask (subnet mask) (target gateway IP)
route add 172.16.47.0 mask 255.255.255.0 192.168.47.254[/code]
Delete route:
[code]route delete (destination subnet start IP)
route delete 172.16.47.0[/code]
Make persistent (stay after reboot) – add flag -p:
[code]route add -p 172.16.47.0 mask 255.255.255.0 192.168.47.254[/code]
CIDR notation subnet mask cheat sheet:
| Hosts | Netmask | Amount of a Class C | |
|---|---|---|---|
| /30 | 4 | 255.255.255.252 | 1/64 |
| /29 | 8 | 255.255.255.248 | 1/32 |
| /28 | 16 | 255.255.255.240 | 1/16 |
| /27 | 32 | 255.255.255.224 | 1/8 |
| /26 | 64 | 255.255.255.192 | 1/4 |
| /25 | 128 | 255.255.255.128 | 1/2 |
| /24 | 256 | 255.255.255.0 | 1 |
| /23 | 512 | 255.255.254.0 | 2 |
| /22 | 1024 | 255.255.252.0 | 4 |
| /21 | 2048 | 255.255.248.0 | 8 |
| /20 | 4096 | 255.255.240.0 | 16 |
| /19 | 8192 | 255.255.224.0 | 32 |
| /18 | 16384 | 255.255.192.0 | 64 |
| /17 | 32768 | 255.255.128.0 | 128 |
| /16 | 65536 | 255.255.0.0 | 256 |
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