Cisco WAN Modeling Tools User Guide
 Cisco WAN Modeling Tools Guide
 N T E N T S
 Installing the SSI on a PC Platform
 Nodes Table
 NMT Map
 Usage Review
 Viii
 Preface
Related CWM and Switch Documentation
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 Obtaining Technical Assistance
Submitting a Service Request
Cisco Technical Support Website
 Definitions of Service Request Severity
Obtaining Additional Publications and Information
 Preface Obtaining Additional Publications and Information
 Xvi
 Overview of the WAN Modeling Tools
Cisco WAN Modeling Tools Overview
 Functionality of the NMT
Relationship between the Cisco WAN Modeling Tools
 Cisco Products Supported by the NMT
 Basic Usage/Charter Functionality
 Gaps
 Data Translation Tools
Data Translation Tools
 System Requirements
Installing the Cisco WAN Modeling Tools
CD ROM
 Installing the NMT on a Unix Platform
Installing the NMT
Pwd
 Execute the following command $NMTHOME/nmtlink
Csh
 $NMTHOME/nmtlink -nmt
Example of suggested NMT Directory Structure
 Installing the NMT on a PC Platform
 Upgrading the NMT Software
Starting the NMT
 Enter the nmt command to start NMT
Installing a Cisco WAN Modeling Tools Sub-application
Removing NMT
 Installing the SSI on a PC Platform
Link the project directory to the NMT release
 Troubleshooting NMT Installation
Symptom
Solution
Removing Sub-applications
 NMT displays the following error message
Permission
IP address is unreachable
Check address and network connectivity
 Using the NMT
NMT Startup
 NMT Menu Bar
NMT Main Window
 File Menu
Change Path-Changes the current directory path
 Configure Menu
Enter a name in the Enter Name dialog box. See Figure
 Sites Table
 Utilities
 Display Menu
Execute Menu
 Report Menu
 Keyboard Commands
Maintenance Menu
Help Menu
Quit
 Sun Key Assignments
 Modeling Processes
Help Keys
Message Keys
To check your warning messages, enter Ctrl-w
 Error Checking
Example of NMT Warning Output
 Troubleshooting NMT
Quick Edit Mode option is checked in the Console window’s
Quick Edit Mode to un-check it, and then click OK
Your mouse does not work on the PC version of NMT
 OL-10426-01, Rev. A0
 Configuration Tables and Fields
General Table Information
 Sites Table
Name
IGX
Type
 Stype
Swrel
NPC
RED
 NTM
RLC
RDL
NPA
 Weight
Pnnipg
Pglpr
Pglpri
 Links Table
Configuring Sites Example
Field Changes for the Sites Table
 Minimal Link Table Usage
 Optimize commands
 Install
Costmo
FDR1ID
FDR2ID
 Link Special Cases
Imatm Trunks
Specifying an Imatm Trunk
Links table
 Voice Table
Virtual Trunks
ID1
ID2
 Conns
E2ETYPE Spvc
E2E
PVC Spvc
 BC2
Fdrid
FDRID2
FDRINT1
 Data Table
 E2ETY Spvc
EIA
EIA2
Code
 FDRID1
 Bursty Table
Trunk not available until Release 8.4. Routes are
Comme Comment field, maximum
Demand
 Connection Port Logical slot/port number at Site 2. You can
VBR
Type of connection. Select FR for Frame
Bursty Table
 Mirscr
MCR
MIR2
Pirpcr
 FC2
APP
FDRFC1
FDRFC2
 ADDRESS1
ADDRESS2
RTADDRESS1
RTADDRESS2
 Specific Trunk not
Available until
 ATM Connection Configuration
Bursty Table Special Cases
Modeling Bursty Traffic table
Connections
 Interface Table
Site Site name
Site
PortID Slot/port address used for linking
 Speed
Imal
Imaf
Egrminbw
 Feeder Table
IngMinBw Minimum bandwidth in cps
Ingminbw
Ingmaxbw
 Card Table
 Groups and Network Table
Parent
Level
Cmplx
 Network Settings
Nodes Table
 Configuration Tables and Fields Network Settings
 18 Execute Menu Model Parameter Settings
Model Options
This does not apply to failure analysis
CET Extractions will set this field to ‘N’
 Feeders
Modeling Implicit Feeders
 19 Tiered Network Configurations with Implicit Feeders
IPX/IGX Feeders Sites table
Voice, Data, or Bursty Traffic tables
MGX 8220 Feeders Bursty Traffic table
 Modeling Explicit Feeders
Port to Multiport
Multiple Feeders at a
Site
 20 Tiered Network Configurations with Explicit Feeders
Obsolete Products
 Networks with Access Feeders or Access Concentrators
21 MC3810 Configuration
 Setting up switched Voice Traffic table
Adding MC3810 Bursty Traffic table
Bursty data
Voice connections
 Changing Default Feeders table
FastPAD
MC3810s at the same
Parameters
 22 FastPAD Configuration
 FastPADs at
Same Site
 23 Port Concentrator Configuration Notes
Port Concentrator
 Tiered Networks
Example of a Tiered Network
 NMT Execute Commands
Using the Route Command
AutoRoute
AutoRoute Least Cost Routing
 Weight of the trunk to be
Least Cost Routing Configuration
Preferred and Directed Routes
Any site can have a least cost or
 Preferred and Directed Route Configuration
Pnni Routing
Partitioned AutoRoute/PNNI Network
Directed Routes
 Fail Analysis Command
Build Sites Command
 Message
Optimize Command
Optimize Informatory Messages
 NMT Command Results
Possible Causes for Connections not Routed Over Links
 Changing the Least Cost Weights does not effect the routes
CONFIG/UTILITIES/CLEAR Data menu
Links have an unbalanced load when routed with AutoRoute
Calls
 OL-10426-01, Rev. A0
 NMT Reports
Site Report
Link Report
Network Summary Report
 Link Load Report
 ATM & FR Ports Report or Bursty Data Ports Report
Data & Voice Ports Report or Voice & Data Ports Report
Connection Routes Report
Failed Connections Report
 Parts List Report
Resource Report/Card Statistics Report
 Pnni Topology Report
Using the Map Tool
View Summary
 Update
Map
Options
Utility
 Creating a Graphical Display
 Using the Map Tool to Analyze Traffic Levels
 NMT Utilities Command Line
NMT Command Line Commands Description
 NMT Utilities Command Line
 NMT Map
NMT Map Startup
 Network View Showing Logical Nodes
 Navigating Though a Network View
Two Level Hierarchy Second Level
 Three Level Hierarchy Second Level
 Obtaining Link Information Physical Links
Obtaining Link Information Logical Links
 Zooming the Map
Link Display for Logical Links
 Map Color Coding
Panning the Map
Controlling Map Displays in NMT
 NMT Map Main Menu
NMT Report Menu Set Options Screen
 Access
File
Groups
Background
 Adding New Groups
10 Add Group Dialog
 Adding Nodes to Existing Groups
12 Map Display After Adding a Node to a Group
 Deleting Groups
Deleting Nodes or Groups from Existing Groups
 Saving Your Work
15 Map Display after Deleting From a Group
 Using the Map Tool to Analyze Traffic Levels
Using the Map Tool with Fail Analysis
Retrieving Map Data Into NMT
 Configuration Extraction Tool
Fields Addressed by CET
 Cet2nmt The cet2nmt options
Using the CET
This case the utility will produce file myplan.cnf
 Adj2nmt in-file reference-file out-file options
 Other CET Commands
CET Schematic Overview
 AIX Platform Support
Troubleshooting CET
Rerun cet2nmt
 Type tbmonitor , or bin/tbmonitor
Select on-line
 Use the swtrev option on the svp2cet command
 You are using CWM 9.2.09 and do not have patch 10 applied
Remote CET Extracts
%UTIL values extracted are bad
Apply patch 10 to CWM
 Configuration Extraction Tool Remote CET Extracts
 Troubleshooting
Either Informix is not installed on the remote host, or
If Informix is installed, perform of the Setup Procedure
Perform in the Setup Procedure
 Causes Solution
Command returns Informix error
Remote CWM site is not up and running
 OL-10426-01, Rev. A0
 Wandl Third-Party Interface
Translating Between NMT and Wandl Formats
 Converting NMT Configuration Files into Wandl Files
TPI Schematic Overview
 10-3
 Converting Wandl Files into NMT .cnf Files
 SpreadSheet Interface
NMT to Microsoft Excel
 11-2
 11-3
 Microsoft Excel to NMT
 Usage Review
 SSI TroubleShooting
Run tar2nmt Run nmt
 Installing the NMT2CND file
Cisco Network Designer Importer
CND PC Import Utilities
NMT2CND
 Installing The DBF2Cnd Utility
Nmt2Cnd Operating Instructions
 DBF2Cnd Operating Instructions
12-3
 CND PC Utilities
12-4
 Access feeders
Alternative Route command 5-4AutoRoute
Cabinet field Cd field CET Commands
Command line commands Comment field
 Environment variables
Nmthome
Microsoft Excel
Explicit feeders BC field Creating in NMT Type field
 NMT
SSI
 TPI, how to use Tpi2nmt command
Third Party Interface. See TPI
TPI
Trunk Card field Trunk utilization field Type field