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app-notes:wlan-switching [2025/08/05 13:08] – [2. Important settings in the SDK script] grayapp-notes:wlan-switching [2025/11/05 13:40] (current) – [1. Set up the SDK script on the router] gray
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     * NetModule Wireless Router with wireless connection     * NetModule Wireless Router with wireless connection
-    * NetModule Software [[https://share.netmodule.com/public/system-software/4.9/|4.9.0.102]] / [[https://share.netmodule.com/public/system-software/5.0/|5.0.0.100]] or newer+    * NetModule Software [[https://share.netmodule.com/public/system-software/5.0/|5.0.0.100]] or newer
     * Not available for legacy products NB1600, NB2700, NB3700, NB3710     * Not available for legacy products NB1600, NB2700, NB3700, NB3710
  
 ** **
-<WRAP center round important 70%> +<WRAP center round important 60%> 
-The wiki was tested with router software 4.9.0.102 and 5.0.0.100+The wiki was tested with router software 5.0.0.100
 </WRAP> </WRAP>
 ** **
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 ---- ----
-SDK Skript hier+The “WLAN_switching.are” script can be downloaded via the “show code” link.  
 + 
 +++++show code|  
 +<code – WLAN_switching.are> 
 +###################################################################### 
 +###########  Please only make changes to the script here   ########### 
 +###################################################################### 
 + 
 +###### Please enter all SSIDs to be searched for here 
 +wlan_ssid_field = mkarray ( "<WLAN_SSID_1>", 
 +                            "<WLAN_SSID_2>", 
 +                            "<WLAN_SSID_3>", 
 +                            "<WLAN_SSID_4>"); 
 + 
 +###### Please enter the passwords here in the correct order for the SSID!  
 +###### Example: WLAN_SSID_1 for WLAN_Password_1 
 +wlan_passwort_field = mkarray ( "<WLAN_Password_1>", 
 +                                "<WLAN_Password_2>", 
 +                                "<WLAN_Password_3>", 
 +                                "<WLAN_Password_4>"); 
 + 
 +###### Please specify here where this function should be entered, under  
 +###### WLAN Client Configuration. Under WLAN Client, 10 (1 - 10) entries are possible. 
 +wlan_client_entry = 10;    #### int Value 1 to 10 Possible 
 + 
 +###### Which WLAN module should be used (WLAN 1 or WLAN 2)? 
 +wlan_interface =  2;     #### The one for WLAN 1 or the two for WLAN 2 
 + 
 +############################################################################### 
 +DEBUG=false;  # Enable debugging with true or disable with false 
 +############################################################################### 
 + 
 +prio_value = 0; 
 +release = 0; 
 + 
 +if (length(wlan_ssid_field) == length(wlan_passwort_field)){ 
 +   if(DEBUG)printf("Both fields are the same\n"); 
 +} else { 
 +     if(DEBUG)printf("An SSID:%s or password:%s is missing for execution.\n",length(wlan_ssid_field),length(wlan_passwort_field)); 
 +     nb_syslog("An SSID:%s or password:%s is missing for execution.",length(wlan_ssid_field),length(wlan_passwort_field)); 
 +     printf("end of program\n"); 
 +     exit(1); 
 +  } 
 +if (wlan_client_entry > 0){ 
 +  if(DEBUG)printf("The value wlan_client_entry is greater than zero: %s\n",wlan_client_entry); 
 +  if (wlan_client_entry <=10 ){ 
 +    if(DEBUG)printf("The value wlan_client_entry is less than or equal to ten: %s\n",wlan_client_entry); 
 +    wlan_client_entry = wlan_client_entry -1; 
 +    if(DEBUG)printf("The value wlan_client_entry has been changed: %s\n",wlan_client_entry); 
 +    prio_value = 10 - wlan_client_entry; 
 +    if(DEBUG)printf("The value prio_value is: %s\n",prio_value); 
 +  } else { 
 +       if(DEBUG)printf("The value wlan_client_entry is greater than ten: %s\n",wlan_client_entry); 
 +       nb_syslog("The value wlan_client_entry is greater than ten: %s",wlan_client_entry); 
 +       printf("end of program\n"); 
 +       exit(2); 
 +    } 
 +} else{ 
 +     if(DEBUG)printf("The value wlan_client_entry is less than or equal to zero: %s\n",wlan_client_entry); 
 +     nb_syslog("The value wlan_client_entry is less than or equal to zero: %s",wlan_client_entry); 
 +     printf("end of program\n"); 
 +     exit(2); 
 +  } 
 +switch (wlan_interface){ 
 +   case 1:  if(DEBUG)printf("The value one for WLAN 1: %s\n",wlan_interface); 
 +               wlan_interface = wlan_interface - 1; 
 +               if(DEBUG)printf("The value after the change: %s\n",wlan_interface); 
 +               wlan_scan = "WLAN1"; 
 +               if(DEBUG)printf("Output of the WLAN scan interface: %s\n",wlan_scan); 
 +            break; 
 +   case 2:  if(DEBUG)printf("The value two for WLAN 2: %s\n",wlan_interface); 
 +               wlan_interface = wlan_interface - 1; 
 +               if(DEBUG)printf("The value after the change: %s\n",wlan_interface); 
 +               wlan_scan = "WLAN2"; 
 +               if(DEBUG)printf("Output of the WLAN scan interface: %s\n",wlan_scan); 
 +            break; 
 +   default: if(DEBUG)printf("The value is not WLAN 1 or WLAN 2: %s\n",wlan_interface); 
 +               nb_syslog("The value is not WLAN 1 or WLAN 2: %s",wlan_interface); 
 +               printf("end of program\n"); 
 +               exit(3); 
 +            break; 
 +} 
 +while(true){ 
 + lan_link = struct_get(nb_status("wan"),"WANLINK1_STATE"); 
 + if (lan_link == "up") {                                                   /*    WAN LINK setup */ 
 +   if(DEBUG)printf("LAN is up\n");                                         /*    WANLINK1 is LAN2/WAN , WANLINK2 is WLAN2 , WANLINK3 is WWAN1 and WANLINK4 is WWAN2 */ 
 + } else {                                                                  /*    Must be adjusted according to customer requirements  */ 
 +      if(DEBUG)printf("LAN is down\n"); 
 +      wlan_off = struct_get(nb_status("wlan"),"WLAN2_OPER_TYPE"); 
 +      wlan_link = struct_get(nb_status("wan"),"WANLINK2_STATE"); 
 +      if (wlan_link == "down" || wlan_off == "off" || wlan_link == "dialing"){ 
 +        if(DEBUG)printf("WLAN is down\n"); 
 +        hotlink = struct_get(nb_status("wan"),"WAN_HOTLINK"); 
 +        if (hotlink == "WANLINK3" || hotlink == "WANLINK4" || release == 1){ 
 +          if (release != 1){ 
 +          if(DEBUG)printf("WWAN is currently online\n"); 
 +          } else { 
 +               wwan_link = struct_get(nb_status("wan"),"WANLINK1_STATE"); 
 +               if (wwan_link == "up"){ 
 +                 if(DEBUG)printf("WWAN is currently online\n"); 
 +               } else { 
 +                   if(DEBUG)printf("WWAN is currently not online\n"); 
 +                 } 
 +            } 
 +          if(DEBUG)printf("Search for Wi-Fi now\n"); 
 +          sleep(1); 
 +          wlan_networks = nb_scan_networks(sprintf("%s",wlan_scan)); # scan WLAN module 
 +          wlan_count = struct_get(wlan_networks,"NETWORK_COUNT"); 
 +          if(DEBUG)printf("%s SSIDs were found during the scan.\n\n", wlan_count); 
 +          for (i=0; (int)wlan_count > i; ++i){ 
 +             number_count = i + 1; 
 +             if(DEBUG)printf("Which number is used: %s\n",number_count); 
 +             wlan_ssid = struct_get(wlan_networks,sprintf("NETWORK%s_SSID",number_count)); 
 +             if(DEBUG)printf("The WLAN SSID that is there: %s\n", wlan_ssid); 
 +             if(DEBUG)printf("The WLAN stored in memory location %s\n\n",wlan_client_entry); 
 + 
 +      ##################################################################### 
 +      #####         From here, the Wi-Fi networks are stored          ##### 
 +      ##################################################################### 
 + 
 +             for (q=0; ((int)temp = length(wlan_ssid_field)) > q; ++q){ 
 +                index = q + 1; 
 +                if(DEBUG)printf("Which ssid field: %s\n",wlan_ssid_field[q]); 
 +                if(DEBUG)printf("How many SSIDs: %s\n",temp); 
 +                if(DEBUG)printf("Output the index: %s\n",index); 
 +                if (wlan_ssid == wlan_ssid_field[q]){ 
 +                  if(DEBUG)printf("The wireless network %s has been found.\n",wlan_ssid); 
 +                  ssid = struct_get(wlan_networks,sprintf("NETWORK%s_SSID",number_count)); 
 +                  cipher = struct_get(wlan_networks,sprintf("NETWORK%s_CIPHER_1",number_count)); 
 +                  if(DEBUG)printf("What parameters do we have: %s \n", cipher); 
 +                  if (cipher == "CCMP"){ 
 +                    cipher = tolower(cipher); 
 +                  } else { 
 +                     cipher = "all"; 
 +                    } 
 +                  encryption = struct_get(wlan_networks,sprintf("NETWORK%s_ENCRYPTION_1",number_count)); 
 +                  if (encryption == "WPA-PSK"){ 
 +                    encryption = "wpa1andwpa2"; 
 +                  } 
 +                  if (encryption == "WPA2-SAE"){ 
 +                  encryption = "wpa2andwpa3"; 
 +                  } 
 +                  if (encryption == "WPA2-PSK"){ 
 +                  encryption = "wpa2"; 
 +                  } 
 +                  ## Scan from Wi-Fi 
 +                  nb_config_set("wlan.1.settings.channel=0"); 
 +                  ret = nb_config_done(); 
 +                  while (ret){ 
 +                       if(DEBUG)printf("The config parameter channel 0 is in the execution: %s\n",ret); 
 +                       ret = nb_config_done(); 
 +                       sleep(1); 
 +                  } 
 +                  if(DEBUG)printf("The config parameter channel 0 is set to: %s\n",ret); 
 +                  nb_config_set(sprintf("wlan.%s.client.%s.ssid=%s",wlan_interface,wlan_client_entry,ssid)); 
 +                  ret = nb_config_done(); 
 +                  while (ret){ 
 +                       if(DEBUG)printf("The config parameter %s is in execution: %s\n",ssid,ret); 
 +                       ret = nb_config_done(); 
 +                       sleep(1); 
 +                  } 
 +                  if(DEBUG)printf("The config parameter %s is set to: %s\n",ssid,ret); 
 +                  nb_config_set(sprintf("wlan.%s.client.%s.cipher=%s",wlan_interface,wlan_client_entry,cipher)); 
 +                  ret = nb_config_done(); 
 +                  while (ret){ 
 +                       if(DEBUG)printf("The config parameter %s is in execution: %s\n",cipher,ret); 
 +                       ret = nb_config_done(); 
 +                       sleep(1); 
 +                  } 
 +                  if(DEBUG)printf("The config parameter %s is set to: %s\n",cipher,ret); 
 +                  nb_config_set(sprintf("wlan.%s.client.%s.secproto=%s",wlan_interface,wlan_client_entry,encryption)); 
 +                  ret = nb_config_done(); 
 +                  while (ret){ 
 +                       if(DEBUG)printf("The config parameter %s is in execution: %s\n",encryption,ret); 
 +                       ret = nb_config_done(); 
 +                       sleep(1); 
 +                  } 
 +                  if(DEBUG)printf("The config parameter %s is set to: %s\n",encryption,ret); 
 +                  ## Feste Wert 
 +                  nb_config_set(sprintf("wlan.%s.client.%s.secmode=wpa-psk",wlan_interface,wlan_client_entry)); 
 +                  ret = nb_config_done(); 
 +                  while (ret){ 
 +                       if(DEBUG)printf("The config parameter secmode is in the execution: %s\n",ret); 
 +                       ret = nb_config_done(); 
 +                       sleep(1); 
 +                  } 
 +                  if(DEBUG)printf("The config parameter secmode is set by: %s\n",ret); 
 +                  nb_config_set(sprintf("wlan.%s.client.%s.prio=%s",wlan_interface,wlan_client_entry,prio_value)); 
 +                  ret = nb_config_done(); 
 +                  while (ret){ 
 +                       if(DEBUG)printf("The config parameter prio is in the execution: %s\n",ret); 
 +                       ret = nb_config_done(); 
 +                       sleep(1); 
 +                  } 
 +                  if(DEBUG)printf("The config parameter prio is set by: %s\n",ret); 
 +                  ## Wi-Fi password 
 +                  nb_config_set(sprintf("wlan.%s.client.%s.psk=%s",wlan_interface,wlan_client_entry,(wlan_passwort_field[q])));   
 +                  ret = nb_config_done(); 
 +                  while (ret){ 
 +                       if(DEBUG)if(DEBUG)printf("The config parameter psk is in the execution: %s\n",ret); 
 +                       ret = nb_config_done(); 
 +                       sleep(1); 
 +                  } 
 +                  q = length(wlan_ssid_field); 
 +                  if(DEBUG)printf("Value of q: %s\n",q); 
 +                  if(DEBUG)printf("The config parameter psk is set to: %s\n",ret); 
 +                  i = 100;   ## for end loop 
 +                  release = 0; 
 +                  } else { 
 +                       if(DEBUG)printf("no\n"); 
 +                    } 
 +             } 
 +          } 
 +          if(DEBUG)printf("The value i is: %s\n",i); 
 +          if (i <= 100) { 
 +            if(DEBUG)printf("No suitable Wi-Fi network found\n"); 
 +          } 
 +        } else{ 
 +             if(DEBUG)printf("The status of the hotlink at the moment %s\n", hotlink); 
 +             for (a=0; 3 > a; ++a){ 
 +                if(DEBUG)printf("Waiting for WWAN to come online\n"); 
 +                sleep(60); 
 +                if(DEBUG)printf("The value a: %s\n",a); 
 +                wwan_link = struct_get(nb_status("wan"),"WANLINK1_STATE"); 
 +                if(DEBUG)printf("Is WWAN still down: %s\n",wwan_link); 
 +                if (wwan_link == "down" || "dialing" && a == 2){ 
 +                  a = 10; 
 +                  release = 1; 
 +                  if(DEBUG)printf("Value release: %s\n",release ); 
 +                  if(DEBUG)printf("The WWAN is still down after 3 minutes.\n"); 
 +                  if(DEBUG)printf("Search for Wi-Fi\n"); 
 +                } 
 + 
 +             } 
 +          } 
 +      } 
 +      wlan_link = struct_get(nb_status("wan"),"WANLINK2_STATE"); 
 +      if (wlan_link == "up"){ 
 +        ret = nb_config_done(); 
 +        if(DEBUG)printf("The configuration has been completed:  %s\n\n",ret); 
 +        if(DEBUG)printf("WLAN is up\n\n"); 
 +      } else{ 
 +           if(DEBUG)printf("WLAN is Down\n\n"); 
 +        } 
 +   } 
 +   printf("New search after 30 seconds\n"); 
 +   sleep(30); 
 +} 
 +printf("end of program\n"); 
 +nb_syslog("end of program"); 
 +exit(0); 
 +</code> 
 +++++
 ---- ----
  
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 In the upper section, you can enter the SSID''(WLAN name of the access point)'' under ''point 1''. Four placeholders have been entered in the script. However, these can be expanded as required. The password for the access point is entered under ''point 2''. It is ''very important'' to assign the SSID to the correct password. Both pieces of information ''must be'' entered in the same order in the script. In the upper section, you can enter the SSID''(WLAN name of the access point)'' under ''point 1''. Four placeholders have been entered in the script. However, these can be expanded as required. The password for the access point is entered under ''point 2''. It is ''very important'' to assign the SSID to the correct password. Both pieces of information ''must be'' entered in the same order in the script.
 +
 +
 +Under ''point 3'', you can determine where the Wi-Fi should be entered. In this setting, ''“wlan_client_entry = 10”'', the Wi-Fi is added as the last entry in the client list. The entered Wi-Fi networks ''“test1 to test9”'' are also given priority by the router. If you enter the Wi-Fi network in the first position, it not only receives priority status 10, but you also use all Wi-Fi networks from your list before those stored permanently in the router. In this example, it is exactly the opposite. First the permanently stored networks and then the Wi-Fi list.
 +
 +Under ''point 4'', you can choose whether you want to use WLAN module 1 or WLAN module 2 for the entire system.
 +
 +
 +{{:app-notes:wlan_clients.png?950|}}
  
 ---- ----
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                   if(DEBUG)printf("The config parameter prio is set by: %s\n",ret);                   if(DEBUG)printf("The config parameter prio is set by: %s\n",ret);
                   ## Wi-Fi password                   ## Wi-Fi password
-                  nb_config_set(sprintf("wlan.%s.client.%s.psk=%s",wlan_interface,wlan_client_entry,(wlan_passwort_field[q])));  ## Passwort wird aus der Feld gezogen+                  nb_config_set(sprintf("wlan.%s.client.%s.psk=%s",wlan_interface,wlan_client_entry,(wlan_passwort_field[q])));
                   ret = nb_config_done();                   ret = nb_config_done();
                   while (ret){                   while (ret){

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app-notes/wlan-switching.1754399332.txt.gz · Last modified: 2025/08/05 13:08 by gray