Filter
Top Products
1-3
Cisco VG202, Cisco VG202XM, Cisco VG204, and Cisco VG204XM Voice Gateways Software Configuration Guide
OL-16191-01
Chapter 1 Understanding Interface Numbering and Cisco IOS Software Basics
Understanding Cisco IOS Software Basics
Port numbering conventions for the Cisco VG202, Cisco VG202XM, Cisco VG204, and
Cisco VG204XM voice gateways are as follows:
• Foreign Exchange Station (FXS) voice port numbering begins at 0/0 and extends to 0/1 for the
Cisco VG202 and Cisco VG202XM, and extends to 0/3for the Cisco VG204 and Cisco VG204XM.
• 10/100BASE-T Fast Ethernet ports are numbered Fast Ethernet 0/0 and Fast Ethernet 0/1, from right
to left.
Understanding Cisco IOS Software Basics
• About Cisco IOS Software, page 1-3
• Getting Help, page 1-4
• Command Modes, page 1-4
• Undoing a Command or Feature, page 1-5
• Saving Configuration Changes, page 1-5
• Upgrading to a New Cisco IOS Release, page 1-6
About Cisco IOS Software
Understanding these concepts about the Cisco IOS software will save time as you begin to use the CLI.
If you have never used Cisco IOS software or if you 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 Chapter 2, “Configuring Your Voice
Gateway Using the setup Command.”
For a comprehensive view of Cisco IOS configuration fundamentals, see the Cisco IOS Configuration
Fundamentals Configuration Guide, Release 12.4.
Note • Your Cisco IOS software release may not support all of the features documented in this document.
For the latest feature information and caveats, see the release notes for your platform and software
release.
• Use the Cisco Feature Navigator to find information about platform support and Cisco IOS and
Catalyst OS software image support. To access the Cisco Feature Navigator, go to
http://www.cisco.com/go/cfn. You do not need an account on Cisco.com to access the Cisco Feature
Navigator.
1
Fast Ethernet port 1,
Fast Ethernet port 0 2
Serial port—console or
auxiliary 3
FXS ports
4 Power connector 5 Chassis ground connection 6 Kensington security slot