diff -NurpP --minimal linux-2.6.12.2-vs2.0-rc5.2/include/linux/vserver/network.h linux-2.6.12.2-vs2.0-rc5.3/include/linux/vserver/network.h
--- linux-2.6.12.2-vs2.0-rc5.2/include/linux/vserver/network.h	2005-07-02 22:38:30 +0200
+++ linux-2.6.12.2-vs2.0-rc5.3/include/linux/vserver/network.h	2005-07-05 18:04:44 +0200
@@ -11,15 +11,27 @@
 #define NB_IPV4ROOT	16
 
 
-/* context flags */
+/* network flags */
 
 #define NXF_STATE_SETUP		(1ULL<<32)
 
 #define NXF_STATE_HELPER	(1ULL<<36)
 
+#define NXF_ONE_TIME		(0x0001ULL<<32)
+
 #define NXF_INIT_SET		(0)
 
 
+/* address types */
+
+#define	NXA_TYPE_IPV4		1
+#define	NXA_TYPE_IPV6		2
+
+#define	NXA_MOD_BCAST		(1<<8)
+
+#define	NXA_TYPE_ANY		(~0)
+
+
 #ifdef	__KERNEL__
 
 #include <linux/list.h>
diff -NurpP --minimal linux-2.6.12.2-vs2.0-rc5.2/include/linux/vserver/network_cmd.h linux-2.6.12.2-vs2.0-rc5.3/include/linux/vserver/network_cmd.h
--- linux-2.6.12.2-vs2.0-rc5.2/include/linux/vserver/network_cmd.h	2005-07-02 22:38:30 +0200
+++ linux-2.6.12.2-vs2.0-rc5.3/include/linux/vserver/network_cmd.h	2005-07-05 17:35:54 +0200
@@ -35,7 +35,7 @@ struct  vcmd_net_create {
 #define VCMD_net_add		VC_CMD(NETALT, 1, 0)
 #define VCMD_net_remove		VC_CMD(NETALT, 2, 0)
 
-struct	vcmd_net_nx_v0 {
+struct	vcmd_net_addr_v0 {
 	uint16_t type;
 	uint16_t count;
 	uint32_t ip[4];
@@ -48,8 +48,14 @@ struct	vcmd_net_nx_v0 {
 extern int vc_net_create(uint32_t, void __user *);
 extern int vc_net_migrate(uint32_t, void __user *);
 
+extern int vc_net_add(uint32_t, void __user *);
+extern int vc_net_remove(uint32_t, void __user *);
+
 #endif	/* __KERNEL__ */
 
+
+/* flag commands */
+
 #define VCMD_get_nflags		VC_CMD(FLAGS, 5, 0)
 #define VCMD_set_nflags		VC_CMD(FLAGS, 6, 0)
 
@@ -64,9 +70,8 @@ extern int vc_set_nflags(uint32_t, void 
 
 #endif	/* __KERNEL__ */
 
-#define IPF_STATE_SETUP		(1ULL<<32)
 
-#define IPF_ONE_TIME		(0x0001ULL<<32)
+/* network caps commands */
 
 #define VCMD_get_ncaps		VC_CMD(FLAGS, 7, 0)
 #define VCMD_set_ncaps		VC_CMD(FLAGS, 8, 0)
diff -NurpP --minimal linux-2.6.12.2-vs2.0-rc5.2/kernel/vserver/network.c linux-2.6.12.2-vs2.0-rc5.3/kernel/vserver/network.c
--- linux-2.6.12.2-vs2.0-rc5.2/kernel/vserver/network.c	2005-07-02 22:38:30 +0200
+++ linux-2.6.12.2-vs2.0-rc5.3/kernel/vserver/network.c	2005-07-05 18:02:34 +0200
@@ -578,6 +578,76 @@ int vc_net_migrate(uint32_t id, void __u
 	return 0;
 }
 
+int vc_net_add(uint32_t nid, void __user *data)
+{
+	struct vcmd_net_addr_v0 vc_data;
+	struct nx_info *nxi;
+	int index, pos, ret = 0;
+
+	if (!capable(CAP_SYS_ADMIN))
+		return -EPERM;
+	if (data && copy_from_user (&vc_data, data, sizeof(vc_data)))
+		return -EFAULT;
+
+	nxi = locate_nx_info(nid);
+	if (!nxi)
+		return -ESRCH;
+
+	switch (vc_data.type) {
+	case NXA_TYPE_IPV4:
+		index = 0;
+		while ((index < vc_data.count) &&
+			((pos = nxi->nbipv4) < NB_IPV4ROOT)) {
+			nxi->ipv4[pos] = vc_data.ip[index];
+			nxi->mask[pos] = vc_data.mask[index];
+			index++;
+			nxi->nbipv4++;
+		}
+		ret = index;
+		break;
+
+	case NXA_TYPE_IPV4|NXA_MOD_BCAST:
+		nxi->v4_bcast = vc_data.ip[0];
+		ret = 1;
+		break;
+
+	default:
+		ret = -EINVAL;
+		break;
+	}
+
+	put_nx_info(nxi);
+	return ret;
+}
+
+int vc_net_remove(uint32_t nid, void __user *data)
+{
+	struct vcmd_net_addr_v0 vc_data;
+	struct nx_info *nxi;
+	int ret = 0;
+
+	if (!capable(CAP_SYS_ADMIN))
+		return -EPERM;
+	if (data && copy_from_user (&vc_data, data, sizeof(vc_data)))
+		return -EFAULT;
+
+	nxi = locate_nx_info(nid);
+	if (!nxi)
+		return -ESRCH;
+
+	switch (vc_data.type) {
+	case NXA_TYPE_ANY:
+		nxi->nbipv4 = 0;
+		break;
+
+	default:
+		ret = -EINVAL;
+		break;
+	}
+
+	put_nx_info(nxi);
+	return ret;
+}
 
 int vc_get_nflags(uint32_t id, void __user *data)
 {
@@ -594,7 +664,7 @@ int vc_get_nflags(uint32_t id, void __us
 	vc_data.flagword = nxi->nx_flags;
 
 	/* special STATE flag handling */
-	vc_data.mask = vx_mask_flags(~0UL, nxi->nx_flags, IPF_ONE_TIME);
+	vc_data.mask = vx_mask_flags(~0UL, nxi->nx_flags, NXF_ONE_TIME);
 
 	put_nx_info(nxi);
 
@@ -619,7 +689,7 @@ int vc_set_nflags(uint32_t id, void __us
 		return -ESRCH;
 
 	/* special STATE flag handling */
-	mask = vx_mask_mask(vc_data.mask, nxi->nx_flags, IPF_ONE_TIME);
+	mask = vx_mask_mask(vc_data.mask, nxi->nx_flags, NXF_ONE_TIME);
 	trigger = (mask & nxi->nx_flags) ^ (mask & vc_data.flagword);
 
 	nxi->nx_flags = vx_mask_flags(nxi->nx_flags,
diff -NurpP --minimal linux-2.6.12.2-vs2.0-rc5.3/kernel/vserver/switch.c linux-2.6.12.2-vs2.0-rc5.4/kernel/vserver/switch.c
--- linux-2.6.12.2-vs2.0-rc5.3/kernel/vserver/switch.c	2005-07-02 22:38:30 +0200
+++ linux-2.6.12.2-vs2.0-rc5.4/kernel/vserver/switch.c	2005-07-05 18:10:20 +0200
@@ -218,6 +218,12 @@ long do_vserver(uint32_t cmd, uint32_t i
 		return vc_net_create(id, data);
 	case VCMD_net_migrate:
 		return vc_net_migrate(id, data);
+#ifndef	CONFIG_VSERVER_LEGACYNET
+	case VCMD_net_add:
+		return vc_net_add(id, data);
+	case VCMD_net_remove:
+		return vc_net_remove(id, data);
+#endif
 
 	}
 	return -ENOSYS;