Introdunction To Network Management Protocols SNMP & TR-069

Sep 22, 20131 like5,138 views

This document provides an overview of network management protocols SNMP and TR-069. It discusses the key functions of network management including configuration management, performance management, accounting management, fault management, and security management. It then describes the architecture of network management systems involving a managing server and managed devices. SNMP is introduced as a protocol that allows remote and local management using simple commands. TR-069 is summarized as defining a mechanism for secure auto-configuration of customer premise equipment. The main capabilities of TR-069 are also outlined.

Introdunction To Network Management Protocols
SNMP & TR-069
2006-01-16William.L
wiliwe@gmail.com

What is Network Management (1/3)
Configuration Management
To monitor network and system configuration
information so that the effects on network operation of
various versions of hardware and software elements
can be tracked and managed.
Performance Management
To measure and make available various aspects of
network performance so that internetwork
performance can be maintained at an acceptable level.

What is Network Management (2/3)
Accounting Management
To measure network utilization parameters so that
individual or group uses on the network can be
regulated appropriately.
Fault Management
To detect, log, notify users of, and (to the extent
possible) automatically fix network problems to keep the
network running effectively.

What is Network Management (3/3)
Security Management
To control access to network resources according to
local guidelines so that the network cannot be
sabotaged (intentionally or unintentionally) and sensitive
information cannot be accessed by those without
appropriate authorization.

The Architecture of Network
Management (1/2)
Managing
Server
Managed
Devices

The network management system manages
device by sending commands to or receiving
reports from the agent (a program) in the devices.
The agent is responsible for executing the NMS’s
commands and reporting the status of the device it
locates in.
The Architecture of Network
Management (2/2)

Simple Network Management Protocol(1/2)
SNMP is a protocol that allows for remote and local
management of items on the network including
servers, workstations, routers, switches and other
managed devices.
Unlike traditional network management methods
having complicated commands, SNMP has only few
simple commands : Get, GetNext, GetBulk, Set, for
configuration and monitoring.

Simple Network Management Protocol(2/2)
Request
Response
Trap
Agent Process
TCP/IP
MIB-II
TCP/IP
SNMP Manager
NMS AgentCommand
Server Device

CPE WAN Management Protocol (TR-069)
The CPE WAN Management Protocol defines a
mechanism that encompasses secure auto-
configuration of a CPE

CWMP Main Capabilities (1/3)
Auto-Configuration and Dynamic Service
Provisioning
The protocol allows an ACS to provision a CPE or collection
of CPE based on a variety of criteria.
Software/Firmware Image Management
The CPE WAN Management Protocol provides tools to
manage downloading of CPE software/firmware image files.
Status and Performance Monitoring
The protocol provides support for a CPE to make available
information that the ACS may use to monitor the CPE’s
status and performance statistics.

Diagnostics
The protocol provides support for a CPE to make
available information that the ACS may use to
diagnose connectivity or service issues.
CWMP Main Capabilities (2/3)

CWMP Main Capabilities (3/3)
(may haveDHCP)
Internet, ISP network, Frame
Relay…
(TR-069)
TR-104
LAN
WAN

Protocol Components (1/3)
CPE/ACS Management ApplicationCPE/ACS Management ApplicationCPE/ACS Management ApplicationCPE/ACS Management Application
RPC MethodsRPC MethodsRPC MethodsRPC Methods
SOAPSOAPSOAPSOAP
HTTPHTTPHTTPHTTP
SSL/TLSSSL/TLSSSL/TLSSSL/TLS
TCP/IPTCP/IPTCP/IPTCP/IP

CPE/ACS Application
The application uses the CPE WAN Management
Protocol on the CPE and ACS, respectively. The
application is locally defined and not specified as
part of the CPE WAN Management Protocol
RPC Methods
The specific RPC methods that are defined by the
CPE WAN Management Protocol (TR-069)
SOAP(Simple Object Access Protocol)
A standard XML-based syntax used here to encode
remote procedure calls. Specifically SOAP 1.1
Protocol Components (2/3)

HTTP
Hypertext Transfer Protocol 1.1
SSL/TLS
The standard Internet transport layer security protocols.
Specifically, either SSL 3.0 (Secure Socket Layer), or
TLS 1.0
TCP/IP
Standard TCP/IP
Protocol Components (3/3)

The document describes the CPE WAN Management Protocol, which defines a mechanism for secure auto-configuration and management of customer premises equipment (CPE) by an auto-configuration server (ACS). The protocol supports auto-configuration, software/firmware management, status monitoring, diagnostics, and optional web identity management. It uses HTTP, SOAP, and SSL/TLS for secure communication between CPE and ACS. The protocol allows for both CPE-initiated and ACS-initiated connections to perform management functions in a common framework.

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Introdunction To Network Management Protocols SNMP & TR-069

1. Introdunction To Network Management Protocols SNMP & TR-069 2006-01-16William.L [email protected]

2. What is Network Management (1/3) Configuration Management To monitor network and system configuration information so that the effects on network operation of various versions of hardware and software elements can be tracked and managed. Performance Management To measure and make available various aspects of network performance so that internetwork performance can be maintained at an acceptable level.

3. What is Network Management (2/3) Accounting Management To measure network utilization parameters so that individual or group uses on the network can be regulated appropriately. Fault Management To detect, log, notify users of, and (to the extent possible) automatically fix network problems to keep the network running effectively.

4. What is Network Management (3/3) Security Management To control access to network resources according to local guidelines so that the network cannot be sabotaged (intentionally or unintentionally) and sensitive information cannot be accessed by those without appropriate authorization.

5. The Architecture of Network Management (1/2) Managing Server Managed Devices

6. The network management system manages device by sending commands to or receiving reports from the agent (a program) in the devices. The agent is responsible for executing the NMS’s commands and reporting the status of the device it locates in. The Architecture of Network Management (2/2)

7. Simple Network Management Protocol(1/2) SNMP is a protocol that allows for remote and local management of items on the network including servers, workstations, routers, switches and other managed devices. Unlike traditional network management methods having complicated commands, SNMP has only few simple commands : Get, GetNext, GetBulk, Set, for configuration and monitoring.

8. Simple Network Management Protocol(2/2) Request Response Trap Agent Process TCP/IP MIB-II TCP/IP SNMP Manager NMS AgentCommand Server Device

9. CPE WAN Management Protocol (TR-069) The CPE WAN Management Protocol defines a mechanism that encompasses secure auto- configuration of a CPE

10. CWMP Main Capabilities (1/3) Auto-Configuration and Dynamic Service Provisioning The protocol allows an ACS to provision a CPE or collection of CPE based on a variety of criteria. Software/Firmware Image Management The CPE WAN Management Protocol provides tools to manage downloading of CPE software/firmware image files. Status and Performance Monitoring The protocol provides support for a CPE to make available information that the ACS may use to monitor the CPE’s status and performance statistics.

11. Diagnostics The protocol provides support for a CPE to make available information that the ACS may use to diagnose connectivity or service issues. CWMP Main Capabilities (2/3)

12. CWMP Main Capabilities (3/3) (may haveDHCP) Internet, ISP network, Frame Relay… (TR-069) TR-104 LAN WAN

13. Protocol Components (1/3) CPE/ACS Management ApplicationCPE/ACS Management ApplicationCPE/ACS Management ApplicationCPE/ACS Management Application RPC MethodsRPC MethodsRPC MethodsRPC Methods SOAPSOAPSOAPSOAP HTTPHTTPHTTPHTTP SSL/TLSSSL/TLSSSL/TLSSSL/TLS TCP/IPTCP/IPTCP/IPTCP/IP

14. CPE/ACS Application The application uses the CPE WAN Management Protocol on the CPE and ACS, respectively. The application is locally defined and not specified as part of the CPE WAN Management Protocol RPC Methods The specific RPC methods that are defined by the CPE WAN Management Protocol (TR-069) SOAP(Simple Object Access Protocol) A standard XML-based syntax used here to encode remote procedure calls. Specifically SOAP 1.1 Protocol Components (2/3)

15. HTTP Hypertext Transfer Protocol 1.1 SSL/TLS The standard Internet transport layer security protocols. Specifically, either SSL 3.0 (Secure Socket Layer), or TLS 1.0 TCP/IP Standard TCP/IP Protocol Components (3/3)

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