diff --git a/client/fdfs_monitor.c b/client/fdfs_monitor.c
index 6bcc703..ef1c53f 100644
--- a/client/fdfs_monitor.c
+++ b/client/fdfs_monitor.c
@@ -133,6 +133,7 @@ int main(int argc, char *argv[])
 		{
 			if (fdfs_server_contain1(g_tracker_group.servers + i, &conn))
 			{
+                fdfs_set_server_info_index1(g_tracker_group.servers + i, &conn);
 				g_tracker_group.server_index = i;
 				break;
 			}
diff --git a/conf/client.conf b/conf/client.conf
index a34e56e..c1173ec 100644
--- a/conf/client.conf
+++ b/conf/client.conf
@@ -13,8 +13,10 @@ base_path=/home/yuqing/fastdfs
 # the value format of tracker_server is "HOST:PORT",
 #   the HOST can be hostname or ip address,
 #   and the HOST can be dual IPs or hostnames seperated by comma,
-#   the dual IPS must be an intranet IP and an extranet IP.
-#   such as: 192.168.2.100,122.244.141.46
+#   the dual IPS must be an inner (intranet) IP and an outer (extranet) IP,
+#   or two different types of inner (intranet) IPs.
+#   for example: 192.168.2.100,122.244.141.46:22122
+#   another eg.: 192.168.1.10,172.17.4.21:22122
 
 tracker_server=192.168.0.196:22122
 tracker_server=192.168.0.197:22122
diff --git a/conf/storage.conf b/conf/storage.conf
index 82dc876..31fb080 100644
--- a/conf/storage.conf
+++ b/conf/storage.conf
@@ -119,8 +119,10 @@ subdir_count_per_path=256
 # the value format of tracker_server is "HOST:PORT",
 #   the HOST can be hostname or ip address,
 #   and the HOST can be dual IPs or hostnames seperated by comma,
-#   the dual IPS must be an intranet IP and an extranet IP.
-#   such as: 192.168.2.100,122.244.141.46
+#   the dual IPS must be an inner (intranet) IP and an outer (extranet) IP,
+#   or two different types of inner (intranet) IPs.
+#   for example: 192.168.2.100,122.244.141.46:22122
+#   another eg.: 192.168.1.10,172.17.4.21:22122
 
 tracker_server=192.168.209.121:22122
 tracker_server=192.168.209.122:22122
diff --git a/conf/storage_ids.conf b/conf/storage_ids.conf
index b444377..1075a43 100644
--- a/conf/storage_ids.conf
+++ b/conf/storage_ids.conf
@@ -1,7 +1,9 @@
 # <id>  <group_name>  <ip_or_hostname[:port]>
 # storage ip or hostname can be dual IPs seperated by comma,
-# one is an intranet IP and another is an extranet IP.
+# one is an inner (intranet) IP and another is an outer (extranet) IP,
+# or two different types of inner (intranet) IPs
 # for example: 192.168.2.100,122.244.141.46
+# another eg.: 192.168.1.10,172.17.4.21
 #
 # the port is optional. if you run more than one storaged instances
 # in a server, you must specified the port to distinguish different instances.
diff --git a/tracker/fdfs_shared_func.c b/tracker/fdfs_shared_func.c
index 299e00d..6e76ea9 100644
--- a/tracker/fdfs_shared_func.c
+++ b/tracker/fdfs_shared_func.c
@@ -707,7 +707,7 @@ int fdfs_check_and_format_ips(FDFSMultiIP *ip_addrs,
 void fdfs_set_multi_ip_index(FDFSMultiIP *multi_ip, const char *target_ip)
 {
     int i;
-    if (multi_ip->count == 1)
+    if (multi_ip->count <= 1)
     {
         return;
     }
@@ -722,6 +722,26 @@ void fdfs_set_multi_ip_index(FDFSMultiIP *multi_ip, const char *target_ip)
     }
 }
 
+void fdfs_set_server_info_index(TrackerServerInfo *pServer,
+        const char *target_ip, const int target_port)
+{
+    int i;
+    if (pServer->count <= 1)
+    {
+        return;
+    }
+
+    for (i=0; i<pServer->count; i++)
+    {
+        if (FC_CONNECTION_SERVER_EQUAL(pServer->connections[i],
+                    target_ip, target_port))
+        {
+            pServer->index = i;
+            break;
+        }
+    }
+}
+
 void fdfs_set_server_info(TrackerServerInfo *pServer,
         const char *ip_addr, const int port)
 {
diff --git a/tracker/fdfs_shared_func.h b/tracker/fdfs_shared_func.h
index a82080f..b8903ec 100644
--- a/tracker/fdfs_shared_func.h
+++ b/tracker/fdfs_shared_func.h
@@ -148,6 +148,16 @@ const char *fdfs_get_ipaddr_by_peer_ip(const FDFSMultiIP *ip_addrs,
 
 void fdfs_set_multi_ip_index(FDFSMultiIP *multi_ip, const char *target_ip);
 
+void fdfs_set_server_info_index(TrackerServerInfo *pServer,
+        const char *target_ip, const int target_port);
+
+static inline void fdfs_set_server_info_index1(TrackerServerInfo *pServer,
+        const ConnectionInfo *target)
+{
+    return fdfs_set_server_info_index(pServer,
+            target->ip_addr, target->port);
+}
+
 void fdfs_set_server_info(TrackerServerInfo *pServer,
         const char *ip_addr, const int port);