#netstat -r
#route
The output is very handy and helps in troubleshooting your network problem. The flags if you can understand will help you much more. So here is the summary of the flags and their meaning.
| Flag | Name | Meaning |
|
|
|
|
| 1 | RTF_PROTO1 | Protocol specific routing flag 1 |
| 2 | RTF_PROTO2 | Protocol specific routing flag 2 |
| 3 | RTF_PROTO3 | Protocol specific routing flag 3 |
| B | RTF_BLACKHOLE | Just discard pkts (during updates) |
| b | RTF_BROADCAST | The route represents a broadcast address |
| C | RTF_CLONING | Generate new routes on use |
| c | RTF_PRCLONING | Protocol-specified generate new routes on use |
| D | RTF_DYNAMIC | Created dynamically (by redirect) |
| G | RTF_GATEWAY | Destination requires forwarding by intermediary |
| H | RTF_HOST | Host entry (net otherwise) |
| L | RTF_LLINFO | Valid protocol to link address translation |
| M | RTF_MODIFIED | Modified dynamically (by redirect) |
| R | RTF_REJECT | Host or net unreachable |
| S | RTF_STATIC | Manually added |
| U | RTF_UP | Route usable |
| W | RTF_WASCLONED | Route was generated as a result of cloning |
| X | RTF_XRESOLVE | External daemon translates proto to link address |
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