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I'm porting an application from Linux to FreeBSD that needs to look at the table of network routes ("route" on Linux or "netstat -r" on FreeBSD).
On Linux, the application simply reads /proc/net/route and /proc/net/inet6_route.
What is the best way to do this programatically on FreeBSD ?
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The 'ip route' command syntax The 'ip route' command uses two syntaxes. It uses the first syntax to specify the local interface to forward data packets to the destination network and the second syntax to specify the IP address of the next-hop router that can send data packets to the destination network.
Click Start, click Run, type cmd in the Open box, and then click OK. Type route print, and then press ENTER to view the routing table. Note the interface number of the network interface that you re-added. Type route print to verify that the new default route appears in the routing table.
Default Gateway in FreeBSD Setting the default gateway (called defaultrouter in FreeBSD) is again done by editing the rc. conf file. Locate the “defaultrouter=” line and adding the Gateway IP address.
FreeBSD supports the Network File System (NFS), which allows a server to share directories and files with clients over a network. With NFS, users and programs can access files on remote systems as if they were stored locally. NFS has many practical uses.
This is documented in the man page route(4). Basically, you read() and write() a PF_ROUTE socket. You can look at the /sbin/route source for an example.
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I dont know the answer but maybe you can look at how 'netstat' does it on FreeBSD, to start with.
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