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Configure SonicWall Routers in the Old Web Interface

Updated: 04/23/2024

Objective

Configuring a SonicWall router in the old web interface.

Applies To

  • SonicWall

Procedure

The purpose of this article is to provide a sample configuration. At the time of article creation, this device was in a known working state on the firmware used. 

Keep in mind different firmware versions will interact with hosted VoIP services in different ways. While this device may be fully functional on the tested and/or current firmware version, it is possible newer revisions will cause disruptions in service or make a device fully compliant with the required settings for hosted VoIP services where it was previously not.

SonicWall Old Interface

Tested on the following firmware versions:
  • Firmware Version 6.5.x.x and later
Adding or editing 8x8 subnets is recommended when available. For subnet information, see X Series Technical Requirements.
We highly recommend consulting an IT or network professional when configuring advanced network settings or devices. NAT issues causing duplicate ports have been reported for firmware version 6.2.3.1.-1.9n.

Disable Consistent NAT and SIP Transformations

  1. Go to VoIP > Settings.
  2. Uncheck the boxes next to Enable Consistent NAT and Enable SIP Transformations.
    SonicWall_Old_Interface_Settings-600x569.png

Disable Stealth Mode and RTSP

  1. Go to Firewall Settings > Advanced.
  2. Uncheck the boxes next to Enable Stealth Mode and Enable RTSP Transformations.
    SonicWall_Old_Interface_Disable_Stealth_Mode-600x294.png

Add 8x8 Subnets

  1. Go to Firewall > Address Objects.
  2. Click Add.
    SonicWall_Old_Interface_Add_Subnets-600x381.png
  3. Add each 8x8 subnet one at a time. One example shown.

    SonicWall_Old_Interface_8x8_Subnet_Example-350x379.png
  4. Click the Address Groups tab.
    SonicWall_Old_Interface_Address_Group-600x418.png
  5. Click Add Group.
  6. Name the group 8x8 Subnets.
  7. Add each 8x8 subnet.
    SonicWall_Old_Interface_Subnet_Object_Group-500x377.png
  8. Click OK.

Set Up Access Rules

  1. Go to Firewall > Access Rules.
    SonicWall_Old_Interface_Access_Rules-600x291.png
  2. Click Add.
  3. Configure the General, Advanced, and QoS settings.
    SonicWall_Old_Interface_General_Advanced_QoS-550x661.png
  4. Set the UDP Connection Inactivity Timeout (seconds): 660
    SonicWall_Old_Interface_Advanced_Tab-550x664.png

    SonicWall_Old_Interface_QoS_Tab.png
  5. Click OK.

Known Issues

  • SonicWall TZ400 requires Consistent NAT to be on. The exception to this would be if the TZ400 is on firmware version SonicOS Enhanced 6.2.5.3-35n. With this firmware version, disable Consistent NAT.
  • Firmware version 6.2.3.x causes Duplicate UDP ports regardless of NAT settings.
  • Firmware verion 6.2.7 has DPI (deep packet inspection) under access groups on NSA series, which causes CQ issues despite rules added in.
  • Firmware verion 6.2.7.7 23n (and higher): 802.1p tagging breaks phone connectivity.