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Cisco ATM Services (AXSM) Configuration Guide and Command Reference for MGX Switches
Release 5.2, Part Number OL-6484-01 Rev. C0, September 2005
Chapter 2 Preparing AXSM Lines for Communication
General AXSM Provisioning Procedures
Channelizing a Line
The channelization feature allows you to create a simple or complex combination of paths for each line
on your AXSM-XG back card. The simplest approach assigns the same bandwidth to each path. A more
complex approach creates different path widths within the same SONET/SDH/T3 line. Depending on the
type of line being channelized and the channelization scheme used, different types of paths are created.
Note The CLI shows SONET naming conventions in place of their equivalent SDH terms. For example, the
display for SDH AU paths shows “STS”, the display for VC/TU paths shows “VT”.
Because paths support both ATM and DS3 payloads, you need to specify which payload type will travel
over each path, and you may want to configure additional options for DS3 paths. Table 2-8 shows the
channel payloads that are supported by each interface type.
You can assign ATM service to any level path down to DS3. The ATM service is carried on an STS-3
down to nxDS3 (IMA), where n is the number of configured DS3s. See the “Adding ATM Ports” section
on page 3-27 to configure ATM service to a DS3 line.
Keep the following in mind when configuring paths on a channelized line:
• You can not configure channelization on a line that is already carrying active paths. Before you can
configure a previously channelized line, you must bring down all previously configured paths on that
line with the dnpath command.
• You can not configure a channelized line to be in clear channel mode if it is carrying active paths.
Before you can configure a channelized line to be clear channel, you must bring down all previously
configured paths on that line with the dnpath command.
• The sum of the bandwidths on the provisioned physical interfaces can not exceed the total bandwidth
of the physical line (OC3 or DS3).
• A single STS-1 or AU-3 can carry one E3 or one DS3 (T3).
• All tributaries within an AU-3 (or TUG-3 within AU-4) must be the same size: either VC-11/TU-11
or VC-12/TU-12.
• A single TUG-3 in an AU-4 can carry 21E1s, 28 T1s, one E3, or one T3.
• A single AU-4 can carry 84 T1s, 63 E1s, 3 T3s, or 3 E3s.
• You can not map channelized DS3 lines or paths into VC3/TU-3s, TUG-3s, or AU-4s.
• A single STS-1 will carry one E3 or one T3.
• After a line is channelized, all the paths are initially down. To use a channel:
–
Enter the uppath command to bring up the paths you want to configure.
–
Then enter the cnfpath command to configure them. The cnfpath command parameters are
different, depending on the type of path you are configuring. Take care to only use the
parameters that are valid for the path type you are configuring.
Table 2-9 describes the possible cnfpath command parameters for all path types.
Table 2-8 Channlized Interface Mapping
Path/Interface Type Possible Channel Payloads
STS-1
• DS3
• ATM
- Switches 1
- CONTENTS 3
- 4 AXSM Card Management 4-1 5
- 5 AXSM Command Reference 5-1 7
- Contents 10
- About This Guide 21
- Conventions 22
- Documentation 22
- Related Documentation 23
- Obtaining Documentation 36
- Documentation Feedback 37
- Submitting a Service Request 38
- Introduction 41
- Command Line Interface 42
- CLI Syntax 43
- AXSM Models 44
- Chapter 1 Introduction 45
- Logical Ports 46
- Common Acronyms 46
- List of Commands by Function 47
- Preparing for Provisioning 57
- AXSM Service Class Templates 63
- Setting Up Lines 65
- Bringing Up Lines 66
- Configuring Lines 68
- LineType 69
- Verifying Line Configuration 70
- Adding Intracard APS Lines 71
- Adding Intercard APS Lines 72
- Table 2-7 Line Channelization 73
- Channelizing a Line 74
- Channelizing a SONET Line 77
- Channelizing an SDH Line 79
- Provisioning ATM Services 83
- • Cisco MGX 8230 84
- • Cisco MGX 8250 84
- • Cisco MGX 8850 (PXM1E) 84
- • Cisco IGX switches 84
- SVC Configuration Quickstart 89
- Adding ATM Ports 109
- Creating an IMA Group 116
- • AXSM: 1–60 125
- • AXSM-E: 1–32 125
- Configuring ILMI on a Port 129
- Configuring PNNI Links 136
- Defining a Feeder Port 140
- AXSM Card Management 149
- Managing CLI Sessions 150
- Managing Cards 151
- Managing Card SCTs 152
- Displaying Card SCT Settings 154
- Managing Port SCTs 157
- Selecting a Port SCT 158
- Changing a Port SCT 158
- Displaying Port SCT Settings 159
- Port SCT ABR Parameters (abr) 178
- Managing Lines 179
- Bringing Down a Line 180
- Managing Ports 181
- Deleting Ports 185
- Delete an ATM Port 186
- Managing Resource Partitions 187
- Managing Connections 192
- Deleting ATM Connections 194
- Rerouting a P2MP Party 196
- Testing ATM Connections 198
- Verifying PNNI Communications 200
- Managing IMA Groups 203
- Configuring IMA Groups 205
- • 1 = IMA version 1.0 206
- • 2 = IMA version 1.1 206
- Configuring an IMA Link 207
- Deleting an IMA Group 208
- Testing an IMA Link 209
- Managing Loopbacks 210
- AXSM Command Reference 211
- APS Overview 212
- APS Architecture Modes 212
- AXSM/A and AXSM/B APS Issues 214
- Syntax Description 214
- Related Commands 215
- Attributes 215
- Before Adding a Connection 218
- Adding a Connection 218
- Traffic Parameters 219
- Service Types, CDV, and CTD 220
- Routing Parameters 221
- Frame Discard 221
- Restrictions 222
- Local-Only Parameters 223
- OAM and Failure Management 225
- Syntax (AXSM) 225
- • 1 = enable 229
- Error Messages 231
- Value 1.3 2 4 3 64 1 275 236
- Setting the Correct Port SCT 238
- Usage Guidelines 241
- Related Command 241
- Syntax Description (AXSM) 243
- -ds3 1.16 244
- AXSM-E, AXSM-XG Dependencies 247
- Using the Correct SCT 250
- Syntax (AXSM-XG) 251
- Example 261
- • AXSM-E : 1–32 270
- • AXSM-XG: 1–126 270
- Examples 278
- Attributes (AXSM) 291
- Attributes (AXSM-E, AXSM-XG) 291
- Display Command History 302
- Configuration successful 305
- Generic Syntax Description 306
- Thresholds for SONET Section 307
- Thresholds for SONET Line 307
- Thresholds for SONET Path 307
- Thresholds for DS3 308
- Thresholds for E3 308
- Thresholds for PLCP 308
- Table 5-15 BERT Test Patterns 318
- Background 322
- Types of Card Statistics 325
- Syntax (SONET) 347
- Syntax Description (SONET) 347
- Syntax (DS3) 347
- Syntax Description (DS3) 348
- Syntax (E1) 349
- Syntax Description (E1) 349
- Syntax (E3) 349
- Syntax Description (E3) 349
- <SEFS24Hr> 351
- Syntax (Sonet Lines) 352
- 15-minute intervals to 500 353
- Chapter 5 354
- <SEFS24>] 359
- Specifying the Core Mask 375
- Redundancy Policy 376
- Aborting a Core Dump 376
- Example (AXSM-E) 388
- Example (AXSM-32-T1E1-E) 388
- AXSM, AXSM-E, AXSM-XG) 400
- Attributes (AXSM-32-T1E1-E) 401
- Example (AXSM) 435
- Example (AXSM-XG) 436
- Syntax (AXSM-E, AXSM-XG) 442
- Example (SCT 2) 443
- Example SCT 3 445
- Step 1 Execute tstdelay 458
- Step 2 Check the results 458
- • ATLAS programmed data 465
- • SABRE programmed data 465
- The dspcons Output on AXSM 472
- Syntax Description 498
- Example 499
- Attributes 500
- alarm type 513
- Syntax (AXSM, AXSM-XG) 523
- Syntax (AXSM-E) 523
- (AXSM-E) 523
- Display Output 523
- Display Lines—AXSM 539
- Version Numbering Conventions 623
- Firmware Filenames 623
- Version Numbers 623
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