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48 lines (37 sloc) 1.008 kb
#include <netlink/netlink.h>
#include <netlink/route/link.h>
#include <netlink/route/link/vxlan.h>
int main(int argc, char *argv[])
{
struct rtnl_link *link;
struct nl_addr *addr;
struct nl_sock *sk;
int err;
sk = nl_socket_alloc();
if ((err = nl_connect(sk, NETLINK_ROUTE)) < 0) {
nl_perror(err, "Unable to connect socket");
return err;
}
link = rtnl_link_vxlan_alloc();
rtnl_link_set_name(link, "vxlan128");
if ((err = rtnl_link_vxlan_set_id(link, 128)) < 0) {
nl_perror(err, "Unable to set VXLAN network identifier");
return err;
}
if ((err = nl_addr_parse("239.0.0.1", AF_INET, &addr)) < 0) {
nl_perror(err, "Unable to parse IP address");
return err;
}
if ((err = rtnl_link_vxlan_set_group(link, addr)) < 0) {
nl_perror(err, "Unable to set multicast IP address");
return err;
}
nl_addr_put(addr);
if ((err = rtnl_link_add(sk, link, NLM_F_CREATE)) < 0) {
nl_perror(err, "Unable to add link");
return err;
}
rtnl_link_put(link);
nl_close(sk);
return 0;
}
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