
5-3
Cisco Catalyst 4000 Access Gateway Module Installation and Configuration Note
OL-3008-01
Chapter 5 Configuring the Voice Interfaces
MGCP Configuration
gateway(config)#
The AGM enters global configuration mode, indicated by the gateway (config) # prompt.
Step 5 If you have not configured the AGM, or want to change the configuration, use Cisco IOS commands to
configure global parameters, passwords, network management, and routing protocols. In this example,
IP routing is enabled:
gateway(config)# ip routing
For complete information about global configuration commands, refer to the Cisco IOS Configuration
Guides and Command References.
Step 6 If you have not already done so, configure the WIC that you plan to use for IP traffic. For instructions,
see Installing the Access Gateway Module or the configuration note for the WAN interface card.
Step 7 To configure another interface, enter the exit command to return to the gateway(config) # prompt.
Step 8 To configure the AGM for voice traffic, refer to the detailed instructions in the Voice over IP
Configuration documentation.
Step 9 When you finish configuring interfaces, exit configuration mode and return to the enable prompt by
pressing Ctrl-z. To see the current operating configuration, including any changes you just made, enter
the show running-config command:
gateway# show running-config
To see the configuration currently stored in NVRAM, enter the show startup-config command at the
enable prompt:
gateway# show startup-config
Step 10 The results of the show running-config and show startup-config commands differ from each other if
you have made changes to the configuration, but have not yet written them to NVRAM. To write your
changes to NVRAM, and make them permanent, enter the copy running-config startup-config
command at the enable prompt:
gateway# copy running-config startup-config
Building configuration. . .
[OK]
gateway#
The AGM is now configured to boot in the new configuration.
MGCP Configuration
If you want to use Media Gateway Control Protocol (MGCP), configuration of the AGM differs,
depending on whether you are using it with Cisco CallManager 3.0 or 3.1.
With Cisco CallManager 3.1 and later, you can create the MGCP gateway configuration on the
Cisco CallManager server and download the configuration to the AGM. For the details of this
configuration procedure, refer to the Cisco CallManager 3.1 online help and to Configuring Cisco IP
Telephony Gateways, available online at Cisco.com.
With Cisco CallManager 3.0, you must configure each voice port for MGCP on the AGM and then
duplicate this configuration in Cisco CallManager Administration. The following sections describe how
to perform this configuration on the AGM:
• Enabling MGCP, page 5-4
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