@@ -159,7 +159,7 @@ net_addr_v4_add(openvpn_net_ctx_t *ctx, const char *iface,

     const char *addr_str = print_in_addr_t(*addr, 0, &ctx->gc);

-    argv_printf(&argv, "%s addr add dev %s %s/%d", iproute_path, iface,

+    argv_printf(&argv, "%s addr add dev %s %s/%d broadcast +", iproute_path, iface,

                 addr_str, prefixlen);

     argv_msg(M_INFO, &argv);

     openvpn_execve_check(&argv, ctx->es, S_FATAL, "Linux ip addr add failed");

@@ -32,6 +32,7 @@

 #include "misc.h"

 #include "networking.h"

 #include "proto.h"

+#include "route.h"

 #include <errno.h>

 #include <string.h>

@@ -800,6 +801,13 @@ sitnl_addr_set(int cmd, uint32_t flags, int ifindex, sa_family_t af_family,

         SITNL_ADDATTR(&req.n, sizeof(req), IFA_LOCAL, local, size);

     }

+    if (af_family == AF_INET && local && !remote && prefixlen <= 30)

+    {

+        inet_address_t broadcast = *local;

+        broadcast.ipv4 |= htonl(~netbits_to_netmask(prefixlen));

+        SITNL_ADDATTR(&req.n, sizeof(req), IFA_BROADCAST, &broadcast, size);

+    }

+

     ret = sitnl_send(&req.n, 0, 0, NULL, NULL);

     if (ret == -EEXIST)

     {