This preface describes
the S-GW Administration Guide, how it is organized and its document
The Serving Gateway
(S-GW) routes and forwards data packets from the UE and acts as the mobility
anchor during inter-eNodeB handovers. Signals controlling the data traffic are
received on the S-GW from the MME which determines the S-GW that will best
serve the UE for the session. Every UE accessing the EPC is associated with a
single S-GW. This document provides feature descriptions, configuration
procedures and monitoring and troubleshooting information.
The following tables describe the conventions used throughout this
Provides information about important features or instructions.
Alerts you of potential damage to a program, device, or
Alerts you of potential personal injury or fatality. May also
alert you of potential electrical hazards.
Text represented as a
This typeface represents displays that appear on your terminal
screen, for example:
Text represented as
This typeface represents commands that you enter, for example:
show ip access-list
This document always gives the full form of a command in
lowercase letters. Commands are not case sensitive.
Text represented as a
This typeface represents a variable that is part of a command,
slot_number is a variable
representing the desired chassis slot number.
Text represented as menu or sub-menu names
This typeface represents menus and sub-menus that you access
within a software application, for example:
File menu, then click
The most up-to-date
information for this product is available in the product Release Notes provided
with each product release.
The following common
documents are available:
- AAA Interface Administration
- Command Line Interface
- GTPP Interface Administration
- Hardware Installation Guide (hardware
- Release Change Reference
- SNMP MIB
- Statistics and
Administration Guide (hardware dependent)
product documents are also available and work in conjunction with the S-GW:
- GGSN Administration Guide
- HSGW Administration Guide
- IPSec Reference
- MME Administration Guide
- PDSN Administration Guide
- P-GW Administration Guide
The most current
Cisco documentation is available on the following website:
Use the following
path selections to access the S-GW documentation:
Wireless > Mobile Internet> Network Functions > Cisco SGW Serving
Use the information
in this section to contact customer support.
Refer to the support
area of http://www.cisco.com
for up-to-date product documentation or to submit
a service request. A valid username and password are required
to access this site. Please contact your Cisco sales or
service representative for additional information.