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5-3
Cisco WAN Modeling Tools Guide
OL-10426-01, Rev. A0
Chapter 5 NMT Execute Commands
PNNI Routing
The NMT has an Actual Route field with the same format as Preferred Routes. CET Extractions fill in
the Actual Route, which is the tree route of the connection at that time. The Used Preferred Routes option
in Execute Settings determines which set of routes to use with the route command. Preferred routes are
always used in failure analysis commands.
PNNI Routing
When modeling a PNNI Network, the following must be done in the CNF tables:
• Enter Y in the PNNI field of the Site Table to enable PNNI at each site.
• If the PNNI network is a multi group, specify the peer group each site belongs to in the PNNI_PG
field. For multi-level peer group networks, each peer group must be entered in the PNNI domains
table, with its level and parent defined.
• If you want a specific site to be a peer group leader, enter Y in the PGL field for that site. If none
are selected, NMT will select a leader for you.
• Enter Y in the PNNI field of the Link Table to enable PNNI on the links.
• Set the RT_Metrics field in the Bursty Connection table to one of the three types of PNNI routing
algorithms. The choices are AW for administrative weight, CTD for Cell Transfer Delay, or CDV
for Cell Delay Variance.
Note The Model setting PNNI parameters can be adjusted.
Partitioned AutoRoute/PNNI Network
If the modeled network has AutoRoute and PNNI connections, use the steps in the “AutoRoute” and
“PNNI Routing” sections above to configure each portion of the network. If any links are partitioned,
the partitions are defined in the Interface table. The link Port IDs cross reference the interface table
entries. If no partitions are specified, the NMT will optimize the partition based on the connection
demand.
Note MPLS partitions can also be specified. However, the NMT model does not consider traffic on MPLS
partitions.
Table 5-2 Preferred and Directed Route Configuration
Topic Required Settings Comments
Modeling
Preferred or
Directed Routes
Voice, Data, and Bursty Traffic
tables
DR field: Enter Y if the connection
has the directed routing feature,
and N otherwise.
If the Preferred_Route field is left blank or is invalid, this field is
ignored.
Preferred_Route field: Enter a
series of node cross-connects,
separated by equal signs (=).
All site names must be in the Site Table, and each consecutive pair
of sites must have a trunk in the Link Table. The originating and
terminating sites are optional.
- Customer Order Number: 1
- Text Part Number: OL-10426-01 1
- CONTENTS 3
- 3 Using the NMT 3-1 4
- 5 NMT Execute Commands 5-1 5
- 6 NMT Reports 6-1 5
- 8 NMT Map 8-1 6
- 11 SpreadSheet Interface 11-1 7
- Contents 8
- Obtaining Documentation 10
- Documentation Feedback 11
- Submitting a Service Request 13
- Functionality of the NMT 18
- Gaps 21
- Data Translation Tools 22
- System Requirements 23
- Installing the NMT 24
- Creating a Working Directory 25
- Installing the NMT 26
- Upgrading the NMT Software 28
- Starting the NMT 28
- Removing NMT 29
- Removing Sub-applications 31
- Using the NMT 33
- NMT Menu Bar 34
- File Menu 35
- Configure Menu 36
- Chapter 3 Using the NMT 37
- File Menu 37
- Utilities 38
- Edit Options 38
- Display Menu 39
- Report Menu 40
- Keyboard Commands 41
- Table 3-1 Sun Key Assignments 42
- Key Function Description 42
- Modeling Processes 43
- Error Checking 44
- Troubleshooting NMT 45
- Troubleshooting NMT 46
- General Table Information 47
- Sites Table 48
- Sites Table 49
- Y- for feeder; 50
- N- for router 50
- Links Table 52
- Minimal Link Table Usage 53
- Links Table 54
- Link Special Cases 56
- Voice Table 57
- Voice Table 58
- Data Table 60
- Data Table 61
- Bursty Table 63
- Table 4-8 Bursty Table 64
- Bursty Table 65
- Bursty Table Special Cases 69
- Interface Table 70
- Interface Table 71
- Feeder Table 72
- Card Table 73
- Groups and Network Table 74
- Nodes Table 75
- Network Settings 75
- Network Settings 76
- Model Options 77
- Modeling Implicit Feeders 78
- Feeders 79
- Modeling Explicit Feeders 80
- Obsolete Products 81
- Obsolete Products 82
- FastPAD 84
- Port Concentrator 87
- Tiered Networks 88
- NMT Execute Commands 89
- Preferred and Directed Routes 90
- PNNI Routing 91
- Fail Analysis Command 92
- Build Sites Command 92
- Optimize Command 93
- NMT Command Results 94
- Optimize Command 95
- NMT Reports 97
- Link Load Report 98
- Connection Routes Report 99
- Failed Connections Report 99
- Parts List Report 100
- Using the Map Tool 101
- OL-10426-01, Rev. A0 102
- Chapter 6 NMT Reports 102
- Using the Map Tool 102
- Creating a Graphical Display 103
- NMT Utilities Command Line 105
- NMT Map 107
- Chapter 8 NMT Map 108
- NMT Map Startup 108
- Zooming the Map 112
- Panning the Map 113
- Map Color Coding 113
- NMT Map Main Menu 114
- NMT Map Main Menu 115
- Adding New Groups 116
- Deleting Groups 118
- Saving Your Work 119
- Retrieving Map Data Into NMT 120
- Configuration Extraction Tool 121
- Using the CET 122
- Step 4 This step is optional 123
- Other CET Commands 124
- Troubleshooting CET 125
- Troubleshooting CET 126
- Remote CET Extracts 128
- Remote CET Extracts 129
- Troubleshooting 130
- Probable 131
- Solution 131
- WANDL — Third-Party Interface 133
- WANDL_directory 136
- SpreadSheet Interface 137
- NMT to Microsoft Excel 139
- Microsoft Excel to NMT 140
- Usage Review 141
- SSI TroubleShooting 142
- CND PC Import Utilities 143
- CND PC Import Utilities 144
- CND PC Utilities 146
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