Avaya 3.7 User Manual

1. From the Configuration Console Contents column, select the security gateway to be 

configured. Click the DNS tab to bring it to the front.

2. In the Static DNS Servers area, click Add. Enter the IP address of the DNS server and 

enable the back-up link, if required.

3. The backup link is the DNS server that is used when backup ethernet is in use. Only one of 

the interfaces, either public or public-backup can be in use at the same time. 

4. Click OK.

5. The maximum number of Static DNS servers is four.

The VSU can resolve addressing for traffic using the Domain Name Service (DNS). However, 
the security gateways must know the DNS Server IP address. Up to three server addresses can 
be referenced by a security gateway. DNS servers can be edited or deleted.

Use Add to enter the initial or backup DNS server(s). Enter the IP address of the DNS server in 
the “Resolve DNS name with this address” field so that the targeted security gateway can 
register itself with the DNS server. Click Apply to add the new DNS server entry.

1. From the Contents column, select the VSU you want to configure.

2. Click the DNS tab to bring it to the front.

3. Click Add to open the Add DNS Rule dialog box.

4. Type the IP address.

5. Click Apply to add the IP address to the DNS servers list.

6. Click Close to return to the DNS tab, or Apply to add another address.

7. When finished, click Save.

8. When you want to send the configuration to one or more VSUs, click Update Devices.

1. From the Contents column, select the security gateway you want to edit.

2. Click the DNS tab to bring it to the front.

3. From the Current DNS Servers list, select the address you want to change.

4. Click Edit to open the Add DNS Rule dialog box.

5. Change the IP address.

6. Click Apply to add the edited IP address to the DNS servers list. The Add DNS Rule dialog 

box automatically closes.