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This chapter provides an overview of interface numbering in the Cisco VG350, Cisco VG310, and Cisco VG320 Analog Voice Gateways (VG). It also describes how to use the Cisco IOS software commands.
This section describes how to identify and differentiate between Cisco VG350, Cisco VG310and Cisco VG320 voice gateways platforms.
Figure 1-1 shows the front panels of the Cisco VG350 Voice Gateway Chassis:
Figure 1-1 Cisco VG350 Front Panel
Figure 1-2 shows the Cisco VG350 back panel:
Figure 1-2 Cisco VG350 Back Panel
Figure 1-3 shows the front panels of the Cisco VG310 and Cisco VG320 Voice Gateway Chassis:
Figure 1-3 Cisco VG310 and Cisco VG320 Front Panel
Figure 1-4 shows the Cisco VG310 back panel:
Figure 1-4 Cisco VG310 Back Panel
Figure 1-5 shows the Cisco VG320 back panel:
Figure 1-5 Cisco VG320 Back Panel
This section describes what you need to know about the Cisco IOS software before you configure the router using the CLI. This chapter includes the following:
Understanding these concepts will save time as you begin to use the CLI. If you have never used Cisco IOS software or need a refresher, take a few minutes to read this chapter before you proceed to the next chapter.
If you are already familiar with Cisco IOS software, proceed to the “Configuring the Host Name and Password” section
The Cisco IOS user interface is divided into different modes. Each command mode permits you to configure different components on your router. The commands available at any given time depend on which mode you are currently in. Entering a question mark ( ? ) at the prompt displays a list of commands available for each command mode. Table 1-1 lists the most common command modes.
Timesaver Each command mode restricts you to a subset of commands. If you are having trouble entering a command, check the prompt, and enter the question mark (?) for a list of available commands. You might be in the wrong command mode or be using the wrong syntax.
In the following example, notice how the prompt changes after each command, to indicate a new command mode for Cisco VG350:
The last message is normal and does not indicate an error. Press
Return
to get the
Router#
prompt.
Note On Cisco VG310 and Cisco VG320, the Ethernet interface since the serial interface is not supported.
Note Press Ctrl-Z in any mode to immediately return to enable mode (Router#
), instead of entering exit, which returns you to the previous mode.
If you want to undo a command you entered or disable a feature, enter the keyword no before most commands; for example, no ip routing .
You need to enter the copy running-config startup-config command to save your configuration changes to nonvolatile random-access memory (NVRAM), so the changes are not lost if there is a system reload or power outage. For example:
It might take a minute or two to save the configuration to NVRAM. After the configuration has been saved, the following appears:
To install or upgrade to a new Cisco IOS release, see How to Update/Upgrade Cisco IOS Software .
Now that you have learned some Cisco IOS software basics, you can begin to configure the router using the CLI.
Proceed to “Configuring the Host Name and Password,” to begin configuring the router.