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Configuring the Media Gateway Controller List

To provide telephony services, the TGM550 must be registered with a Media Gateway Controller (MGC) running the Avaya Communication Manager software. You can configure the IP addresses for up to four MGCs to which the TGM550 can connect if a link fails.

The MGC list consists of the IP addresses and the order in which to reestablish the H.248 link. The first MGC on the list is the primary MGC. The TGM550 searches for the primary MGC first. If it cannot connect to the primary MGC or loses its connection to the primary MGC, it attempts to connect to the next MGC on the list, and so on.

Note: The MGC list is stored in the TGM 550. It is not written to the JUNOS configuration file.

You configure the MGC list by issuing operational mode commands. To configure the MGC list, perform the following steps:

Enter operational mode in the CLI.
To configure the IP addresses of the Media Gateway Controllers, enter the following command:user@host> request tgm fpc slot slot-number tgm-configuration "mgclist=ipaddress1,ipaddress2,ipaddress3,ipaddress4"
For example, to configure the primary MGC with the IP address 172.16.0.0 and the secondary and tertiary MGCs with the IP addresses 10.10.10.30 and 10.10.10.40 for the TGM550 installed on slot 2 of the chassis, enter:
user@host> request chassis fpc slot 2 tgm-configuration "mgclist=172.16.0.0,10.10.10.30,10.10.10.40"
Log in to the TGM550. For information about logging in to the TGM550, see the J-series Services Router Advanced WAN Access Configuration Guide.
Ping the IP addresses of the configured MGCs to ensure that the IP addresses are correct. For example, to ping the IP address of the primary MGC, enter:user@host># ping 172.16.0.0
To verify that the MGC list is configured correctly, see the J-series Services Router Advanced WAN Access Configuration Guide.

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