Ruckus Wireless™
SmartCell Gateway™ 200
S2a Interface Reference Guide
for SmartZone 3.4
Part Number 800-71172-001 Rev A
Published July 2016
www.ruckuswireless.com
SCG™ 200 S2a Interface Reference Guide for SmartZone 3.4, 800-71172-001 Rev A 2
Copyright Notice and Proprietary Information
Copyright 2016 Ruckus Wireless, Inc. All rights reserved.
No part of this documentation may be used, reproduced, transmitted, or translated, in any form or by any means,
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(“Ruckus”), or as expressly provided by under license from Ruckus.
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Disclosure to nationals of other countries contrary to United States law is prohibited. It is the reader’s responsibility to
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Ruckus Wireless, Ruckus, the bark logo, ZoneFlex, FlexMaster, ZoneDirector, SmartMesh, Channelfly, Smartcell,
Dynamic PSK, and Simply Better Wireless are trademarks of Ruckus Wireless, Inc. in the United States and other
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SCG™ 200 S2a Interface Reference Guide for SmartZone 3.4, 800-71172-001 Rev A 3
Contents
About This Guide
Document Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Legend . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Related Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Online Training Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Documentation Feedback. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
1 Data Session and Path Management Messages
Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Data Session Establishment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Path Management Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
2 Tunnel Management Messages
Create Session Process Flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Create Session Request Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Bearer Context - Create Session Request. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Create Session Response Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Bearer Context - Create Session Response Messages . . . . . . . . . . . . . . . . . . . . . . . 20
Modify Bearer Command Flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Bearer Context - Modify Bearer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Modify Bearer Request Flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Modify Bearer Request Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Bearer Context - Modify Bearer Request Messages . . . . . . . . . . . . . . . . . . . . . . . . . 22
Modify Bearer Response Message. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Bearer Context - Modify Bearer Response Messages . . . . . . . . . . . . . . . . . . . . . . . . 23
Update Bearer Process Flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Update Bearer Request Messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Bearer Context - Update Bearer Request Messages . . . . . . . . . . . . . . . . . . . . . . . . . 25
Update Bearer Response Message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Bearer Context - Update Bearer Response Message . . . . . . . . . . . . . . . . . . . . . . . . 25
Delete Bearer Process Flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Contents
SCG™ 200 S2a Interface Reference Guide for SmartZone 3.4, 800-71172-001 Rev A 4
Delete Bearer Request Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Delete Bearer Response Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Bearer Context - Delete bearer response messages . . . . . . . . . . . . . . . . . . . . . . . . . 27
Delete Session Process Flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Delete Session Request Message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Delete Session Response Message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Index
SCG™ 200 S2a Interface Reference Guide for SmartZone 3.4, 800-71172-001 Rev A 5
About This Guide
This SmartCell Gateway™ (SCG) 200 S2a Interface Reference Guide describes the
interface between the SCG and the Packet Data Network Gateway (PDN-GW). It
also describes the control plane GPRS (General Packet Radio Service) tunneling
protocol messages.
This guide is written for service operators and system administrators who are
responsible for managing, configuring, and troubleshooting Ruckus Wireless
devices. Consequently, it assumes a basic working knowledge of local area
networks, wireless networking, and wireless devices.
NOTE If release notes are shipped with your product and the information there
differs from the information in this guide, follow the instructions in the release notes.
Most user guides and release notes are available in Adobe Acrobat Reader Portable
Document Format (PDF) or HTML on the Ruckus Wireless Support Web site at
https://support.ruckuswireless.com/contact-us.
About This Guide
Document Conventions
SCG™ 200 S2a Interface Reference Guide for SmartZone 3.4, 800-71172-001 Rev A 6
Document Conventions
Tab le 1 and Tab le 2 list the text and notice conventions that are used throughout
this guide.
Terminology
Tab le 3 lists the terms used in this guide.
Table 1. Text c onv ent ions
Convention Description Example
monospace
Represents information as it
appears on screen
[Device name]>
monospace bold Represents information that
you enter
[Device name]> set
ipaddr 10.0.0.12
default font bold Keyboard keys, software
buttons, and field names
On the Start menu, click All
Programs.
italics Screen or page names Click Advanced Settings.
The Advanced Settings page
appears.
Table 2. Notice conventions
Notice Type Description
NOTE
Information that describes important features or instructions
CAUTION!
Information that alerts you to potential loss of data or potential
damage to an application, system, or device
WARNING!
Information that alerts you to potential personal injury
Table 3. Terms used in this guide
Terminology Description
AAA Authentication, Authorization, and Accounting
AMBR Aggregate Maximum Bit Rate
APN Access Point Name
DNS Domain Name System
EBI EPS Bearer ID
About This Guide
Ter minology
SCG™ 200 S2a Interface Reference Guide for SmartZone 3.4, 800-71172-001 Rev A 7
EPC Evolved Packet Core
EPS Evolved Packet System
F-TEID Fully Qualified Tunnel Endpoint Identifier
GPDU GTP Packet Data Unit
GPRS General Packet Radio Service
GSN APN GPRS serving node, is application module in the SCG handling
GTP messages
GTP GPRS Tunneling Protocol
GTPv1-U GTP version 1, user plane
GTPv2-C GTP version 2, control plane
IE Information Element
IMSI International Mobile Subscriber Identity
IP Internet Protocol
MCC Mobile Country Code
MNC Mobile Network Code
MSISDN Mobile Subscriber ISDN Number
PAA PDN Address Allocation
PCO Protocol Configuration Options
PDN Packet Data Network
PGW PDN Gateway
SGW Serving Gateway
ULI User Location Information
UMTS Universal Mobile Telecommunications Systems
UTRAN UMTS Terrestrial Radio Access Network
Table 3. Terms used in this guide
Terminology Description
About This Guide
References
SCG™ 200 S2a Interface Reference Guide for SmartZone 3.4, 800-71172-001 Rev A 8
References
Tab le 4 lists the references used in this guide.
Legend
Tab le 5 lists the legend/presence used in this guide.
Related Documentation
For a complete list of documents that accompany this release, refer to the Release
Notes.
Online Training Resources
To access a variety of online Ruckus Wireless training modules, including free
introductory courses to wireless networking essentials, site surveys, and Ruckus
Wireless products, visit the Ruckus Wireless Training Portal at:
https://training.ruckuswireless.com
Table 4. References used
Serial
Number
Reference Description
1 29274-b20.docx • 3GPP TS 29.274 V11.2.0 (2012-03) 3GPP
Evolved Packet System (EPS)
• Evolved General Packet Radio Service (GPRS)
• Tunneling Protocol for Control plane (GTPv2-C)
• Stage 3 (Release 11)
Table 5. Legend/presence used in this guide
Legend/Presence/
Value
Description
C Conditional
Instance Value The Instance Value column indicates the instance number of the
IE, which is used in differentiating between two instances of same
IE, i.e., IE with the same type in the same message.
M Mandatory
O Optional
About This Guide
Documentation Feedback
SCG™ 200 S2a Interface Reference Guide for SmartZone 3.4, 800-71172-001 Rev A 9
Documentation Feedback
Ruckus Wireless is interested in improving its documentation and welcomes your
comments and suggestions. You can email your comments to Ruckus Wireless at:
docs@ruckuswireless.com
When contacting us, please include the following information:
• Document title
• Document part number (on the cover page)
• Page number (if appropriate)
For example:
• Ruckus Wireless Administrator Guide for SmartZone 3.4
• Part number: 800-71105-001
• Page 400
SCG™ 200 S2a Interface Reference Guide for SmartZone 3.4, 800-71172-001 Rev A 10
1
Data Session and Path
Management Messages
In this chapter:
• Overview
• Data Session Establishment
• Path Management Messages
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