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Configuring an MGC List and Adding Addresses

In the following example, a TGM550 installed in slot 2 of a Services Router has the IP address 10.10.10.2. The TGM550 needs to have registered a primary MGC at address 172.16.0.0, and second and third MGC at addresses 10.10.10.30 and 10.10.10.10.40.

To configure the MGC list with the JUNOS CLI:

Enter operational mode on the JUNOS CLI.

To configure the IP addresses of the Media Gateway Controllers, enter the set tgm fpc slot media-gateway-controller command with the IP addresses of the primary, second, and third MGC:

user@host> set tgm fpc 2 media-gateway-controller
[172.16.0.0 10.10.10.30 10.10.10.40]

Running the set tgm fpc slot media-gateway-controller command updates the startup configuration on the TGM550. You do not need to run the copy running-config start-config command to save the configuration on the module.

Log in to the TGM550 with SSH, and verify that each MGC can be reached over the network.
user@host> ssh 10.10.10.2
```
password> root
```
TGM550-00<root># ping 172.16.0.0
```
...
```
TGM550-00<root># ping 10.10.10.30
```
...
```
TGM550-00<root># ping 10.10.10.40
```
...
```
Do one of the following:
- To control bandwidth assignments for voice traffic, go on to Configuring Dynamic Call Admission Control on WAN Interfaces (Optional).
- To verify that VoIP is configured correctly on the router, see Verifying the VoIP Configuration.

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