IPWorks 2 Network Impact Report

Contents

1Introduction
1.1Purpose
1.2Related Information

2
General Impact
2.1Deployment and Network
2.2Capacity and Performance
2.3Hardware Resource
2.4Implementation
2.5Virtualization Resource
2.6Components
2.7License Management
2.8New Base/Value Package
2.9Update Impact
2.10Obsolete Base/Value Packages
2.11Other Network Elements
2.12Other Impacts

3
Interface
3.1Inter-Node Interface
3.2Man-Machine Interface
3.3Machine-to-Machine Interface
3.4Operation and Maintenance
3.5Other Interface Impacts

4
Summary of Impacts per Base/Value Packages

Reference List

1   Introduction

This Network Impact Report (NIR) describes the changes between IPWorks 2.3 and IPWorks 2.2.

The IPWorks 2.3 is a VNF that can be deployed on CEE/BSP 8100 platform, HP DL380 Gen9, or HP DL380 Gen10 as virtualization.

From IPWorks 2.3, IPWorks VNF supports EO triggered instantiation and termination workflow.

From IPWorks 2.3, IPWorks VNF supports ENM triggered scale-in and scale-out workflow.

From IPWorks 2.3, IPWorks VNF is certified on RHOS13.

From IPWorks 2.3, IPWorks VNF is certified on NFVi-5.1 for HDS deployment.

From IPWorks 2.0, IPWorks VNF is certificated on VMWare 6.5 and certified for NFVi-4 over CEE/HDS. The persistence storage is also supported for deployment on HDS platform.

This document describes how operation is changed in IPWorks 2.3 release on a high level. This document is not intended to list each command, printout, configuration parameter change, as such info is meaningless for a product with a platform change.

The operator is recommended to read this NIR to get an overview of changes in IPWorks 2.3 release. Then, follow the relevant User Guide and Operating Instructions to set up the whole IPWorks 2.3 system.

Table 1 lists Ericsson Software Model based Base Packages and Value Packages till IPWorks 2.3, and shows feature impacts in each release.

Table 1    Base Packages and Value Packages

Base/Value Package (BP & VP)

BP & VP Number

Introduced From

Evolutions

Changes in IPWorks 2.3

Internet DNS Base Package

FAJ 801 0166

IPWorks 1.3

    IPWorks 1.6:

  • Bind uplift

No

DNS Base Package

FAJ 801 0803

IPWorks 1.0

    IPWorks 1.3:

  • Bind uplift


    IPWorks 1.6:

  • Bind uplift


    IPWorks 1.9:

  • GUI DNS Management

No

ENUM Base Package

FAJ 801 0167

IPWorks 1.0

  

No

ENUM Front End Base Package

FAJ 801 0735

IPWorks 1.0

  

No

AAA Base Package

FAJ 801 0169

IPWorks 1.0: AAA Diameter support.

    IPWorks 1.3:

  • Subscriber Tracing support in AAA (Diameter)


    IPWorks 1.6:

  • AAA Radius Support

  • IMEI Check support

  • Throttling support


    IPWorks 1.9:

  • Subscriber Tracing support (Radius)


    IPWorks 1.12:

  • Emergency control for Wi-Fi (Diameter)

No

AAA Front End Base Package

FAJ 801 0736

IPWorks 1.0: AAA Diameter support.

    IPWorks 1.3:

  • Subscriber Tracing for AAA Diameter


    IPWorks 1.6:

  • AAA Radius support

  • IMEI Check support

  • Throttling support


    IPWorks 1.9:

  • Subscriber Tracing support (Radius)

  • AAA-FE (PKI) support


    IPWorks 1.12:

  • Emergency Control For Wi-Fi (Diameter)

No

Public Key Authentication

FAJ 801 0165

IPWorks 1.0

  

No

Wi-Fi Mobility

FAJ 801 0525

IPWorks 1.0

  

No

IMS Interconnect

FAJ 801 0164

IPWorks 1.0

  

No

Advanced Network Protection

FAJ 801 0162

IPWorks 1.0

    IPWorks 1.9:

  • Single provisioning for geographical redundancy (ENUM)


    IPWorks 1.12:

  • Single provisioning for geographical redundancy (Radius AAA)


    IPWorks 2.1:

  • DHCP geographic redundancy


    IPWorks 2.2:

  • DNS geographic redundancy

No

DHCP Base Package

FAJ 801 0984

IPWorks 2.0

    IPWorks 2.3:

  • Support of local disk for KVM based deployment

No

Note:  
Native replacement is supported from IPWorks 1.3.

1.1   Purpose

The purpose of this document provides sufficient information at an early stage to Ericsson system operators to help them plan the introduction of new products and upgrades to their networks.

This document is a living document and is subject to change during the development of the new release. Therefore, part of the information may be incomplete or unavailable until General Availability (GA) of the IPWorks 2.3 release.

1.2   Related Information

The following documents include trademark information, typographic conventions, definition, and explanation of abbreviations, and terminology:

2   General Impact

This section describes the general impact from the introduction of the IPWorks 2.3.

2.1   Deployment and Network

The IPWorks 2.3 is a software delivery that can be deployed as virtualized. For more information about deployment configurations, refer to IPWorks Technical Description.

The IPWorks 2.3 application software is virtualized, which is not bundled with a hardware platform.

Table 2   

Orchestrator/Hyprvisor

Verified On

Certified On

Comments

CEE

BSP

  

CEE R8A, CEE R7B with BSP R12.0.1

CEE

  

HDS

  

KVM

HP DL380 Gen9, HP DL380 Gen10

  

SLES 12 SP2

VMWare

  

Vmware 6.5

 

RHOS

  

RHOS13

Red-Hat OpenStack 13: supported from IPWorks 2.3

The overall deployment configuration as virtualized is shown in Figure 1.

Figure 1   IPWorks VNF Deployment for Single Service with Manual Scalability Support

Note:  
  • IPWorks 2.2 and above supports new hardware infrastructure of HP DL380 Gen10 KVM based deployment.
  • IPWorks 2.1 and above supports PL VM scale-out and scale-in only for applications of AAA and ENUM.
  • IPWorks 2.0 and above remove the support of mixed configuration (2+2+2 for AAA and DNS/ENUM in one VNF cluster).
  • IPWorks 1.0 (and above) does not support VM operations "destroy", "suspend" and "resume" for both SC VM and PL VM.
  • IPWorks 2.0 and above support only eVIP static routing (without BFD for CEE deployments, and with/without BFD for KVM based deployments) for signaling and data network. Support of OSPF on signaling and data network is obsoleted. For upgrading to IPWorks 2.0, user needs to follow the CPI Replace OSPF with Static Routing, Reference [11] to reconfigure site routers and IPWorks internal network.


2.2   Capacity and Performance

This section describes the capacity and performance of Standard configuration.

The detail subscriber/session capacity for IPWorks 2.3 release measured on certificated hardware is described in IPWorks 2 Characteristics.

2.2.1   Subscriber Capacity

This section describes the subscriber and session capacity of the IPWorks 2.1 to IPWorks 2.3 (Standard configuration).

Table 3    Subscriber Capacity

Components

IPWorks 2.3 (Standard)

IPWorks 2.2 (Standard)

IPWorks 2.1 (Standard)

EPC AAA (Active Session)

4,000,000

4,000,000

4,000,000

PKI Authentication (Device)

20,000,000

20,000,000

20,000,000

PKI Authentication (Active Session)

10,000,000

10,000,000

10,500,000

AAA Basic (Subscriber)

8,000,000

8,000,000

8,000,000

Wi-Fi AAA (Active Session)

4,000,000

4,000,000

4,000,000

DNS (Resource Record)

2,000,000

2,000,000

2,000,000

ENUM (NAPTR Record)

24,000,000


48,000,000 (only for KVM based deployment on HP Gen10)

24,000,000


48,000,000 (only for KVM based deployment on HP Gen10)

24,000,000

DHCP (lease number)

5,000,000

5,000,000

5,000,000

N/A: Not Applicable

Note:  
Capacity for Native Deployments using HP Gen10 is added/adapted from IPWorks 2.2. For more details about the subscriber/session capacity, refer to IPWorks 2 Characteristics.

2.2.2   Network Performance

This section describes the general impact of network performance in IPWorks 2.3 (Standard), compared with previous releases of IPWorks.

Table 4    Processing Capacity

Performance

Type

IPWorks 2.3 (Standard Configuration)

IPWorks 2.2 (Standard Configuration)

IPWorks 2.1 (Standard Configuration)

ENUM Monolithic (CEE)

Traffic

38,000 TPS

38,000 TPS

37,000 TPS

DNS IPv4 Traffic (CEE)

Traffic

70,000 TPS

70,000 TPS

55,000 TPS

DNS Create (CEE)

Provisioning

65 QPS

65 QPS

65 QPS

DNS Modify (CEE)

Provisioning

63 QPS

63 QPS

63 QPS

DNS Delete (CEE)

Provisioning

69 QPS

69 QPS

69 QPS

ENUM Create (CEE)

Provisioning

140 QPS

140 QPS

140 QPS

ENUM Modify (CEE)

Provisioning

89 QPS

89 QPS

89 QPS

ENUM Delete (CEE)

Provisioning

92 QPS

92 QPS

92 QPS

Non-SM user Modify (CEE)

Provisioning

90 QPS

90 QPS

90 QPS

Non-SIM user Delete (CEE)

Provisioning

90 QPS

90 QPS

90 QPS

Radius AAA user Modify (CEE)

Provisioning

85 QPS

85 QPS

85 QPS

Radius AAA user Delete (CEE)

Provisioning

85 QPS

85 QPS

85 QPS

Radius AAA user Creation (CEE)

Provisioning

132 QPS

140 QPS

140 QPS

Note:  
  • For the Compact and Single Server deployments on native HP DL380 Gen9/G10 with KVM, the performances in regarding to the items in the above table are not fully tested, it is assumed that they are not lower than that of above listed.
  • From IPWorks 2.3, DHCP service supports KVM based deployment. The TPS performance for this deployment is added in IPWorks 2 Characteristics.

2.3   Hardware Resource

IPWorks 2.3 is a software-only delivery. It is verified on two kinds of deployment: CEE cloud and native HP DL380 Gen9/Gen10 server. Refer to Reference Hardware Requirement for KVM Deployment.

2.4   Implementation

An overview of the changes in IPWorks application is highlighted as in list below:

Table 5   

VNF Release

Changes

IPWorks 2.3

[New] Certification of IPWorks VNF on RHOS13.

[New] Support of Or-Vnfm for workflows including instantiation, termination and scale-in/scale-out, including integration with EO.

IPWorks 2.2

[New] Support of centralized configuration for DNS service, included in Advanced Network Protection VP.


[New] Support of Scale-in and Scale-out workflow for CEE (not including integration with ECM).


[New] Support of HP DL380 Gen10 for KVM deployment.

IPWorks 2.1

[New] Support of persistent storage for HDS deployments.


[New] Date migration from IPWorks 15B FD1 to IPWorks 2.3 for DHCPv4 service.


[Modified] Advanced Network Protection for DHCPv4 service.

IPWorks 2.0

[New] Support of DHCPv4 service.


[New] IPWorks VNF certified on Vmware.

[New] Support of workflow for instantiation and termination.


[Obsolete] CEE Extended configuration (2+2+2) configuration.


[Obsolete] OSPF routing for eVIP for new installation.

IPWorks 1.12

[New] function Emergency Control for Wi-Fi.

IPWorks 1.9

[New] AAA-FE support for PKI authentication


[New] Local read support


[New] GUI for DNS management


[New] Single provisioning for geographic redundancy (ENUM) included in Advanced Network Protection

IPWorks 1.6

[New] Trusted Wi-Fi Support for Radius AAA service


[New] IMEI check support for Diameter AAA service


[New] SWx throttling support for Diameter AAA service

IPWorks 1.3

[New] Support of Internet DNS


[New] Support of native deployments on HP DL380 G9

IPWorks 1.0

[New] Base release for IPWorks VNF, contains DNS, ENUM, IMS Interconnect, Untrusted Wi-Fi Calling AAA, Public Key Authentication, Wi-Fi Mobility, and Advanced Network Protection.

Note:  


2.5   Virtualization Resource

This section describes the minimum memory and vCPU required for implementing a new revision of IPWorks.

The minimum Virtulization resources does not change since IPWorks 2.0 release.

Table 6 shows the changes of resource requirements for AAA/DNS/ENUM services between IPWorks 2.0 and earlier IPWorks releases which is still valid for IPWorks 2.3:

Table 6    Virtualization Resource Requirement Comparison Between IPWorks 2.0 or above and IPWorks 1.12 for AAA/DNS/ENUM

Virtualization Platform

Deployment Type

VM Node

vCPUs

Memory (GB)

CEE/BSP

Compact

SC

2

4

PL

2

6 (IPWorks 2.0 or above)


4 (IPWorks 1.12)

Native HP with KVM (HP Gen9)

Single Server

SC

6

18 (IPWorks 2.0 or above)


20 (IPWorks 1.12)

PL

8

6 (IPWorks 2.0 or above)


4 (IPWorks 1.12)

Table 7 shows the resource requirements for the DHCP service which is introduced from IPWorks 2.0 release:

Table 7    Virtualization Resource Requirement for DHCPv4 Service

Virtualization Platform

Deployment Type

VM Node

vCPUs

Memory (GB)

Hard Disk (GB)

CEE/BSP

Standard

SC

8

8

280

PL

8

16

None

Compact

SC

2

4

75

PL

2

6

None

Native HP with KVM (HP Gen10)

Basic

SC

8

8

280

PL

8

16

None

Single Server

SC

6

8

75

PL

8

16

None

Table 8 shows the resource requirements for all the DNS, ENUM, AAA and DHCP services for Native Deployments using HP Gen10 (for maiden installation only), which is valid from IPWorks 2.2.

Table 8    Virtualization Resource Requirement for DNS, ENUM, AAA and DHCPv4 Services with Native Deployment on HP Gen10

Virtualization Platform

Deployment Type

VM Node

vCPUs

Memory (GB)

Hard Disk (GB)

Native HP with KVM (HP Gen10 only)

Basic

SC

22

80

280

PL

22

32

None

Single Server

SC

10

40

140

PL

12

16

None

For the accurate information on memory and hard disk requirement for each virtual machine, refer to IPWorks 2 Characteristics.

2.6   Components

2.6.1   3PPs

Table 9 lists all 3PPs with versions included in IPWorks 2.3 releases.

Table 9    3PPs Included In IPWorks

3PP Name

IPWorks 2.3

IPWorks 2.2

IPWorks 2.1

MySQL CGE

7.4.12

7.4.12

7.4.12

MySQL Connector/J - JDBC

5.1.16

5.1.16

5.1.16

JRE

8u152

8u152

8u152

ISC BIND

9.9.9

9.9.9

9.9.9

Apache Axis2/Java

1.6.2

1.6.2

1.6.2

Apache Log4j

1.2.15

1.2.15

1.2.15

ISC DHCP

4.3.5

4.3.5

4.3.5

2.6.2   CBA Common Components

Table 10 lists all CBA Common Components with versions included in IPWorks 2.3 releases.

Table 10    CBA Common Components Included in IPWorks 2.3

Component Name

IPWorks 2.3

IPWorks 2.2

IPWorks 2.1

COM

7.7

7.5

7.5

CoreMW

4.8

4.7

4.5

eVIP

3.8

3.6

3.6

LDEwS

4.7

4.5

4.5

License Manager

6.6

6.4

6.4

SS7 CAF

6.5

6.3

6.3

JAVA O&M

4.3

4.1

4.1

SEC

2.8

2.6

2.6

C-Diameter

2.3

2.2

2.2

Trace

3.8

3.6

3.6

Trace-EA

3.8

3.5

3.5

2.7   License Management

No impact.

2.8   New Base/Value Package

No impact.

2.9   Update Impact

IPWorks 2.3 supports following update paths:

Table 11   

From Base of

Via

To

Comment

Rollback

IPWorks 15B FD1

X

IPWorks 2.3

Maiden installation plus data migration.

Reinstall of IPWorks 15B then restore backup.

IPWorks 1.12 (2+2 configuration without OSPF

X

IPWorks 2.3

  

Supported

Other IPWorks 1.12 configurations

IPWorks 2.0

IPWorks 2.3

Upgrade first to IPWorks 2.0 in order to change eVIP routing and/or obsolete 2+2+2 configuration.

Supported

IPWorks 2.0

X

IPWorks 2.3

  

Supported

IPWorks 2.1

X

IPWorks 2.3

  

Supported

IPWorks 2.2

X

IPWorks 2.3

  

Supported

Note:  
  • SS7 related traffic will have around 30 seconds disturbance due to SS7CAF limitation.
  • From IPWorks 15B FD1 to IPWorks 2.3: this path supports with maiden installation plus data migration for AAA, DNS, DHCP, and ENUM services.
  • From IPWorks 1.12 to IPWorks 2.0 and above: one-step upgrade is performed which requires cluster reboot. As a result, traffic disturbances may be experienced
  • For CEE deployments, it is once observed that upgrading CEE from CEE R8A to CEE R8B can cause MySQL data node fail to start. Refer to section Separating Compute Nodes for SC Before CEE Upgrade in IPWorks Upgrade Instruction, Reference [9] ] for the specific CEE upgrade procedure.


2.10   Obsolete Base/Value Packages

Not applicable.

2.11   Other Network Elements

ENM 18.3 with RI (Release Independence) is required to support the counters, alarms in IPWorks 2.3 release.

2.12   Other Impacts

Not applicable.

3   Interface

This section describes interface changes between the existing and new revisions of the product.

3.1   Inter-Node Interface

The changes to the inter-node interfaces are listed in Table 12.

The description of impact is as follows:

Table 12    Inter-Node Interface Changes

Interface

Protocol

Impact

Description of Changes

       

3.2   Man-Machine Interface

Table 13 lists all the MMI changes in IPWorks 2.3 release compared with IPWorks 2.1 releases.

The description of impact is as follows:

Table 13    Man-Machine Interface Changes

Interface

Nodes

Protocol

Impact / Description of Changes from IPWorks 2.2 to IPWorks 2.3

ECLI

    

No impact on interface usage.


New configuration parameters for DHCP v4 service.

ipw-ctr

    

No impact.

Trace CLI

    

No impact.

DNS GUI

    

Minor: GUI to improve user experience.

ipwcli

    

No impact.

3.3   Machine-to-Machine Interface

Table 14 lists all the Machine-to-Machine Interface changes in IPWorks 2.3 release compared with previous IPWorks release.

Table 14    Machine-to-Machine Interface Changes

Interface

Nodes

Protocol

Impact / Description of Changes from IPWorks 2.1 to IPWorks 2.3

COM NETCONF Interface

OSS


ENM

NETCONF

No Impact

IPW SNMP Interface

OSS/ENM

SNMP

No Impact

EDA CLI Interface

PG

SSH/CLI

No Impact

For different version of Operations Support Systems (OSS), the version of IPWorks viewed from OSS is different. See Table 15 for details:

Table 15    IPWorks Version Viewed from OSS

IPWorks Version

IPWorks Version Viewed from OSS 18A

IPWorks Version Viewed from OSS 17B

IPWorks 1.0

IPWorks 1.0

IPWorks 1.0

IPWorks 1.3

IPWorks 1.3

IPWorks 1.3

IPWorks 1.6

IPWorks 1.6

IPWorks 1.3

IPWorks 1.9

IPWorks 1.9

IPWorks 1.3

IPWorks 1.12

IPWorks 1.9

IPWorks 1.3

IPWorks 2.0 and above

IPWorks 1.9

IPWorks 1.3

For different version of Ericsson Network Manager (ENM), the version of IPWorks viewed from ENM is different. See Table 16 for details:

Table 16    IPWorks Version Viewed from ENM

IPWorks Version

IPWorks Version Viewed from ENM 18.3 (+Release Independency)

IPWorks Version Viewed from ENM 18.1

IPWorks Version Viewed from ENM 18A

IPWorks Version Viewed from ENM 17B

IPWorks 1.0

IPWorks 1.0

IPWorks 1.0

IPWorks 1.0

-

IPWorks 1.3

IPWorks 1.3

IPWorks 1.3

IPWorks 1.3

IPWorks 1.3

IPWorks 1.6

IPWorks 1.6

IPWorks 1.6(1)

IPWorks 1.6 (1)

IPWorks 1.3

IPWorks 1.9

IPWorks 1.9

IPWorks 1.9

IPWorks 1.9

IPWorks 1.3

IPWorks 1.12

IPWorks 1.12

IPWorks 1.9

IPWorks 1.9

IPWorks 1.3

IPWorks 2.0

IPWorks 2.0(2)

IPWorks 1.9

IPWorks 1.9

IPWorks 1.3

IPWorks 2.1

IPWorks 2.1 (2)

IPWorks 1.9

IPWorks 1.9

IPWorks 1.3

IPWorks 2.2

IPWorks 2.2 (2)

IPWorks 1.9

IPWorks 1.9

IPWorks 1.3

IPWorks 2.3

IPWorks 2.3 (2)

IPWorks 1.9

IPWorks 1.9

IPWorks 1.3

(1)  IPWorks release is treat-as according to NBC rules. No complete JFT for this release against ENM.

(2)  IPWorks 2.0 and above versions will be fully supported by ENM 18.3 (or above) with RI (Release Independence) feature.


3.4   Operation and Maintenance

3.4.1   Configuration Management

IPWorks configuration data are presented as a set of Management Objects (MOs), their relationships are described in a Managed Object Model (MOM). The MOM is exposed through the Ericsson NETCONF interface and the ECLI, and provides a consistent view of the configuration and state data.

3.4.2   Fault Management

Fault Management is changed in following way:

3.4.3   Performance Management

No impact.

3.4.4   Backup and Restore

No impact.

3.4.5   Workflow

Following VNF workflows are verified in IPWorks 2.3.

 

LCM Sprint

Ericsson Orchestrator (EO) Version

Verified Workflow

Verified NFVi

EO triggered (Full stack)

LCM 18.16 IP1 (media version 4.9.22)

EO 18.0.0.1


ENM 18.3

VNF Instantiation


VNF Termination

CEE-R8B/BSP, CEE-R8B/HDS

ENM triggered (Full stack)

LCM 18.16 IP1 (media version 4.9.22)

EO 18.0.0.1


ENM 18.3

VNF Termination


VNF Scale-in


VNF Scale-out

CEE-R8B/BSP, CEE-R8B/HDS

LCM triggered (Small stack)

LCM 18.16 IP1 (media version 4.9.22)

N/A

VNF Instantiation


VNF Termination


VNF Scale-in


VNF Scale-out

  

3.5   Other Interface Impacts

Not applicable.

4   Summary of Impacts per Base/Value Packages

This section summarizes the impact per feature when the feature is turned on.

The description of impact is as follows:

A summary of impacts per Base/Value Package is shown in Table 17.

Table 17    Summary of Impacts IPWorks 2.3

Base/Value Packages

Impact

Properties

Base/Value Package Number

Comments

IPWorks 2.3

Basic or Value Package

  

IPWorks Base DNS

No Impact

Base

FAJ 801 0803

  

IPWorks Base ENUM Classic

No Impact

Base

FAJ 801 0167

 

IPWorks Base ENUM Layered

No Impact

Base

FAJ 801 0735

  

IPWorks Base AAA Classic

No Impact

Base

FAJ 801 0169

  

IPWorks Base AAA Layered

No Impact

Base

FAJ 801 0736

  

IMS Interconnect (Value Package)

No Impact

Value

FAJ 801 0164

 

Advanced Network Protection (Value Package)

No Impact

Value

FAJ 801 0162

 

IPWorks Internet DNS Base Package Support

No Impact

Base

FAJ 801 0166

  

DHCPv4 Base Package Support

No Impact

Base

FAJ 801 0984

  

Reference List

Ericsson Documents
[1] Trademark Information.
[2] Typographic Conventions.
[3] Glossary of Terms and Acronyms.
[4] IPWorks Technical Description.
[5] IPWorks Network Connectivity Overview.
[6] IPWorks Deployment Guide, 21/1553-AVA 901 33/2 Uen
[7] IPWorks Auto Deployment Guideline for KVM - DL380 Gen9, 19/1553-AVA 901 33/2 Uen
[8] IPWorks Auto Deployment Guideline for KVM - DL380 Gen10, 39/1553-AVA 901 33/2 Uen
[9] IPWorks Upgrade Instruction, 1/153 72-AVA 901 33/3 Uen
[10] IPWorks 2+2+2 Split and Upgrade Instruction, 2/153 72-AVA 901 33/3 Uen
[11] Replace OSPF with Static Routing, 4/1553-AVA 901 33/3 Uen
[12] Ericsson Command-Line Interface.
[13] IPWorks Configuration Management.
[14] IPWorks 2 Characteristics.
[15] Ericsson NETCONF Interface.
[16] IPWorks DNS, ASDNS, ENUM Parameter Description.
[17] IPWorks AAA Parameter Description.
[18] IPWorks DHCP Parameter Description.
[19] Managed Object Model (MOM).
[20] IPWorks Measurement List.
[21] Performance Management Report File Format.
[22] Performance Management.
[23] Fault Management.
[24] IPWorks Alarm List.
[25] Backup and Restore.
[26] IPWorks Auto Health Check.
[27] Install License Key File.
[28] License Management.
[29] IPWorks Trace User Guide.
[30] Trace Command Line Interface (CLI) Reference, 1/1540-APR 901 0500/3 Uen
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