Network – Configure Dell SonicWALL SOHO Router | AT&T Office@Hand
Article #5550

The Dell SonicWALL SOHO router can be configured to open ports, prioritize voice traffic and set minimum bandwidth for the AT&T Office@Hand VoIP service. Follow the instructions below to configure your SonicWALL firewall.

Network – Configure Dell SonicWALL SOHO Router

Based on available ISP bandwidth of 10Mbps/10Mbps (download/upload); accounting for 10 concurrent calls, adjust your numbers accordingly. One call requires approximately 90Kbps download/upload. 100Kbps was used in the example below for ease of calculation.

The router can be optimized by accessing the following:

Access the firewall’s interface
1. Enter the firewall’s IP address in the address bar of your web browser. To check your firewall’s IP address, refer to your firewall’s documentation or contact the manufacturer for support.
2. Enter the firewall’s username and password. Click OK. The default username and password is admin.
Access the VoIP Settings
1. Go to VoIP > Settings.
2. Put a check on Enable Consistent NAT.
3. Disable/uncheck Sip Transformations. This will disable SIP ALG.
4. Click Accept to save the settings.
Access the Firewall Settings
1. Go to Firewall Settings > BWM.
2. Under Bandwidth Management Type, select Global.
3. Under Priority, disable EVERY category, except Medium.
  Set Medium values to:
  Guaranteed : 30%
  Maximum / Burst: 50%
  
  Enable Realtime and set values to:
  Guaranteed : 70%
  Maximum / Burst: 100%
4. Click Accept to save the settings.
Access the Network Settings
1. Go to Network > Interfaces > X1 (WAN)
2. Under the General tab, click the Configure icon (on far right).
3. Go to Advance > Link Speed, and then set to Auto Negotiate (UNLESS there’s a need to set it to something specific).
4. Under Bandwidth Management set the following:
  - Check the checkbox next to Enable Egress, and set Interface Egress Bandwidth to match the available bandwidth.
  - Check the checkbox next to Enable Ingress, and set Interface Ingress Bandwidth to match the available bandwidth.
5. Click OK to save the settings.
6. Under Network on the left side of the page, go to Address Objects.
7. Click Add under Address Objects.
  ———————————–
  Name: ATToHFullRange1
  Zone Assignment: WAN
  Type: Network
  Network: 199.255.120.0
  Netmask: 255.255.252.0
  Click Add
  ———————————–
  Name: ATToHFullRange2
  Zone Assignment: WAN
  Type: Network
  Network: 199.68.212.0
  Netmask: 255.255.252.0
  Click Add
  ———————————–
  Name: ATToHFullRange3
  Zone Assignment: WAN
  Type: Network
  Network: 104.245.56.0
  Netmask: 255.255.248.0
  Click Add
  ———————————–
  Name: ATToHFullRange4
  Zone Assignment: WAN
  Type: Network
  Network: 185.23.248.0
  Netmask: 255.255.252.0
  Click Add
  ———————————–
  Name: ATToHFullRange5
  Zone Assignment: WAN
  Type: Network
  Network: 103.44.68.0
  Netmask: 255.255.252.0
  Click Add
  ———————————–
  Name: ATToHFullRange6
  Zone Assignment: WAN
  Type: Network
  Network: 208.87.40.0
  Netmask: 255.255.252.0
  Click Add
  ———————————–
  Name: ATToHFullRange7
  Zone Assignment: WAN
  Type: Network
  Network: 192.209.24.0
  Netmask: 255.255.248.0
  Click Add
  ———————————–
  Name: ATToHFullRange8
  Zone Assignment: WAN
  Type: Network
  Network: 80.81.128.0
  Netmask: 255.255.240.0
  Click Add
  ———————————–
8. Click Add Group. Name the group ATToHFullRNGGp and then add ATToHFullRange1, ATToHFullRange2, ATToHFullRange3, ATToHFullRange4, ATToHFullRange5, ATToHFullRange6, ATToHFullRange7 and ATToHFullRange8 to the Group. Use the arrows in the box to move the highlighted information from left to right, then click OK.
9. Still under Network on the left side of the page, go to Services.
10. Click Add under Services, and then add the following:
  ———————————-
  Name: ATToH1
  Protocol: UDP
  Port Range: 1000-65535
  Sub type: none Click Add
  ———————————–
  Name: ATToH2
  Protocol: TCP
  Port Range: 5060-6000
  Sub type: none
  Click Add
  ———————————–
  Name: ATToH3
  Protocol: TCP
  Port Range: 80-80
  Sub type: none
  Click Add
  ———————————-
  Name: ATToH4
  Protocol: TCP
  Port Range: 443-443
  Sub type: none
  Click Add
  ———————————-
  Name: ATToH5
  Protocol: UDP
  Port Range: 123-123
  Sub type: none
  Click Add
  ———————————–
11. Still on Services under Service Groups, click Add Group, to add the services to a group. Name the group AT&T Office@Hand, and then highlight ATToH1 through ATToH5. Use the arrows in the box to move the highlighted information from left to right. Click OK.

Access Rules

On the left side of the page, go to Firewall > Access Rules.

Click Add to add the rule for LAN-to-WAN and WAN-to-LAN.

WAN > LAN	LAN > WAN
• General tab	• General tab
Action: Allow From Zone: WAN To Zone: LAN Service: AT&T Office@Hand Source: ATToHFullRNGGrp Destination: Any Users Allowed: All Schedule: Always on Check Enable Logging Check Allow Fragmented Packets Click Add	Action: Allow From Zone: LAN To Zone: WAN Service: AT&T Office@Hand Source: Any Destination: ATToHFullRNGGrp Users Allowed: All Schedule: Always on Check Enable Logging Check Allow Fragmented Packets Click Add

Click the edit button on both the LAN-to-WAN and WAN-to-LAN settings for ATToHFullRNGGrp, and go to the Ethernet BWM tab.
Ethernet Bandwidth Management
- Check the box next to Enable Outbound Bandwidth Management, and set the Bandwidth Priority to Realtime.
- Check the box next to Enable Inbound Bandwidth Management, and set the Bandwidth Priority to Realtime.
Go to the QoS tab.
DSCP Marking Settings
- DSCP Marking Action: Explicit
- Explicit DSCP Value: 46 – Expedited Forwarding (EF)
Click OK to save.

Keywords: sonicwall, firewall, router, configuration, 5550

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