Manuali utente per Alcatel Carrier Internetworking Solutions 6800

Manuale Utente (English)

Manuale Utente

Sommario

Home
1
Front Matter
2
- Copyright Information
  2
- Patents
  2
- Contacting Alcatel
  2
Contents
3
About This Guide
15
- Supported Platforms
  15
- Who Should Read this Manual?
  16
- When Should I Read this Manual?
  16
- What is in this Manual?
  16
- What is Not in this Manual?
  17
- How is the Information Organized?
  17
- Related Documentation
  17
- Before Calling Alcatel’s Technical Assistance Center
  20
1. Troubleshooting the Switch System
21
- In This Chapter
  21
- Introduction
  22
- Troubleshooting System for OS-6624/6648 and OS-7/8XXX
  23
- Advanced Troubleshooting
  29
- Dshell Troubleshooting
  31
  - Troubleshooting NIs on OmniSwitch 7700/7800/8800
    41
  - OmniSwitch 6624/6648 Dshell Troubleshooting
    43
    - Accessing Dshell on Idle Switches
      45
- Using AlcatelDebug.cfg
  46
- Troubleshooting IPC on OS-6/7/8XXX Series of Switches
  47
  - Debugging IPC
    47
  - OmniSwitch 6624/6648 Example
    54
- Port Numbering Conversion Overview
  56
2. Troubleshooting Switched Ethernet Connectivity
59
- In This Chapter
  59
- Overview of Troubleshooting Approach
  60
- Verify Physical Layer Connectivity
  61
- Verify Current Running Configuration
  63
- Verify Source Learning
  64
- Verify Switch Health
  65
- Verify ARP
  65
- Using the Log File
  66
3. Troubleshooting Source Learning
69
- In This Chapter
  69
- Introduction
  70
- Troubleshooting a Source Learning Problem
  71
- Advanced Troubleshooting
  73
- Dshell Troubleshooting
  75
  - OS-6600
    78
4. Troubleshooting Spanning Tree
81
- In This Chapter
  81
- Introduction
  81
- Troubleshooting Spanning Tree
  82
- Dshell
  85
- Generic Troubleshooting in Dshell
  90
  - Event Trace (stpni_traceprint)
    90
    - PORTATCH
      91
    - PORTDELE
      91
    - ADDVLAN
      91
    - MODVLADM
      92
    - MODVLSTP
      92
    - ADDQTAG
      92
    - DELQTAG
      92
    - MDEFVLAN
      93
    - PORTAGGR
      93
    - PORTDISG
      93
    - AGGR_UP
      93
    - AGGRDOWN
      93
    - PORTJOIN
      94
    - PORTLEAV
      94
    - BRGPARAM
      94
    - PTSTPMOD
      95
    - PORTMOD
      95
    - PORTVLBK
      95
    - PVLANBLK
      95
    - GMBPDU
      96
    - GMIGBPDU
      96
    - GM2FIXED
      97
    - VMADDVPA
      97
    - VMDELVPA
      97
    - VMDEFVPA
      97
    - TOPOCHGT
      98
    - LINK_UP
      98
    - LINKDOWN
      98
    - NI_UP
      98
    - NI_DOWN
      98
  - Physical and Logical Port Dumps
    99
  - Socket Handler Traces
    102
    - stpNISock_globals
      102
    - stpNISock_warningprint
      103
    - stpNISock_traceprint
      103
    - Inter-NI Trace (stpNISock_intraceprint)
      104
    - Time-out Trace (stpNISock_totraceprint)
      104
    - Board Up (stpNISock_boardupprint)
      104
    - stpNISock_printon
      104
    - StpNISock_printoff
      104
  - CMM Spanning Tree Traces
    105
    - Trace Menu
      105
    - stpCMM_traceprint
      105
- Writing a PR for Spanning Tree
  106
5. Troubleshooting BOOTP/ DHCP/UDP Relay
109
- In This Chapter
  109
- Starting the Troubleshooting Procedure
  109
- Advanced Troubleshooting for UDP Relay
  113
- Dshell
  114
6. Troubleshooting DNS
117
- In This Chapter
  117
- Introduction
  117
- Troubleshooting a DNS Failure
  118
  - Starting the Troubleshooting Procedure
    118
  - Layer 7 DNS or Name Resolution Issue
    118
- DNS Configuration Considerations
  119
7. Troubleshooting Link Aggregation
121
- In This Chapter
  121
- Link Aggregation Limits and Guidelines
  122
  - OmniSwitch 6624/6648 Restrictions
    122
- Troubleshooting a Link Aggregation Failure
  123
  - Verify the Configuration
    123
  - Source Learning
    125
  - Link Aggregation Affecting Other Traffic
    125
  - Problems Creating a Group
    125
  - Problems Deleting a Group
    125
  - LACP 802.3AD
    126
- Advanced Link Aggregation Troubleshooting
  127
- 6800 Link Aggregation Debug Functions
  130
  - la_ni_agg_prt
    130
  - la_ni_port_prt
    130
  - la_ni_port_up_prt
    131
  - la_ni_port_stats_prt
    131
  - la_ni_info
    131
  - lagg_ni_Sock_help
    131
  - la_ni_trace_freeze
    132
  - la_ni_trace_unfreeze
    132
  - la_ni_kite_help
    132
8. Troubleshooting 802.1Q
133
- In This Chapter
  133
- Troubleshooting 802.1Q
  134
  - Default VLAN Traffic
    135
  - Tagged Packet on an Untagged Port
    135
    - 802.1Q with VLAN ID of 0
      136
    - 802.1Q and 64 Byte Packets
      136
- Advanced Troubleshooting
  137
- Dshell Commands
  139
9. Troubleshooting Group Mobility
141
- In This Chapter
  141
- Troubleshooting a VLAN Mobility Failure
  142
  - Binding Rules
    143
  - Port Rules
    143
  - Precedence
    144
- Advanced Troubleshooting
  145
- Dshell
  146
  - NI Debug Dshell
    146
- 6800 Group Mobility Troubleshooting
  147
  - show vlan rules
    147
  - gmHelp
    147
  - gmcKiteDebug
    148
  - gmcShowPorts
    148
  - gmcShowRules
    148
  - gmnKiteDebug
    149
  - gmnKiteShowRules
    149
  - gmnMacVlanShowBuffer
    149
10. Troubleshooting QoS
151
- In This Chapter
  151
- QoS Behavior
  152
  - Default
    152
  - QoS Queues and Ports
    152
- Troubleshooting QoS
  153
  - Information Gathering on Symptoms and Recent Changes
    153
  - Starting the Troubleshooting Procedure
    153
  - QoS Activation
    153
  - QoS Apply
    154
  - Invalid Policies
    154
  - Rules Order
    154
  - Viewing QoS Settings
    155
  - Viewing QoS Policy Rules
    155
  - Validation
    156
    - Example 1
      156
    - Example 2
      156
    - Example 3
      157
  - Correction
    158
  - Reflexive Rules
    158
  - QoS Log
    159
  - QoS Statistics
    161
  - Debug QoS
    161
  - Debug QoS Internal
    162
  - OmniSwitch 6624/6648 Dshell Troubleshooting
    163
    - qosIxHelp
      163
    - qosDBState
      163
    - QoS Dump
      163
- Example QoS Rules
  165
11. Troubleshooting ARP
167
- In This Chapter
  167
- ARP Protocol Failure
  168
- Common Error Conditions
  171
- Advanced ARP Troubleshooting
  172
- Dshell Troubleshooting
  174
  - Viewing the ARP Table on OmniSwitch 6624/6648 Switches
    176
12. Troubleshooting IP Routing
177
- In This Chapter
  178
- Introduction
  179
- IP Routing Protocol Failure
  179
- Troubleshooting via the CLI
  179
- Troubleshooting with Debug CLI
  187
- RIP Troubleshooting
  189
- OSPF Troubleshooting
  195
- BGP Troubleshooting
  203
- Dshell Troubleshooting Advanced IP Routing
  205
  - ipdbg=x
    205
  - ifShow
    205
  - iprmShowRoutes
    206
  - iprmCountRoutes
    206
  - ipni_ifShow
    206
  - Iprm_routeShow
    207
  - Ipni_routeCount
    207
  - ospfDbgDumpEnv
    207
13. Troubleshooting Virtual Router Redundancy Protocol (VRRP)
211
- In This Chapter
  211
- Overview
  212
- Protocol Information
  213
  - IP Field Descriptions
    213
  - VRRP Field Descriptions
    213
  - VRRP States
    213
- OmniSwitch 7700/7800/8800 Implementation
  214
  - VRRP Security
    214
  - OmniSwitch VRRP Limitations
    214
- CMM Failover
  215
- OmniSwitch VRRP Troubleshooting
  219
- ARP Table
  220
- Dshell Troubleshooting
  221
14. Troubleshooting IP Multicast Switching (IPMS)
223
- In This Chapter
  223
- Troubleshooting a Device that Cannot Join an IP Multicast Stream
  224
- Troubleshooting a Device that Drops Out of an IP Multicast Stream
  225
- Troubleshooting IPMS in Debug CLI
  229
- Dshell Troubleshooting
  231
15. Troubleshooting DVMRP
243
- In This Chapter
  243
- Introduction
  244
- DVMRP Troubleshooting
  244
  - DVMRP Global and Interface Commands
    244
  - DVMRP Debug Commands
    246
16. Troubleshooting PIM-SM
263
- In This Chapter
  263
- Introduction
  264
- Definition of Terms
  264
- Protocol Overview
  265
  - DR Election
    265
    - Simplified Hello Message Format
      265
    - Debugging Hello Messages
      266
    - Related CLI Command
      267
- BSR Election
  268
  - Simplified Packet Format
    269
  - Debugging BSR/Bootstrap
    269
    - Election of a New BSR
      270
    - Related CLI Command
      271
- C-RP Advertisements
  272
  - Simplified RP-Advertisement Packet Format
    272
  - Debugging C-RP-Adv
    273
    - Related CLI Command
      274
- RP-SET
  275
  - Simplified Bootstrap RP-SET Packet Taken on a 192.168.12/24 Network
    276
  - Debugging RP-SET
    278
    - On Non BSR You Should See
      278
    - Related CLI Command
      279
- Join/Prune
  280
  - Simplified Join Packet
    280
  - Simplified PRUNE Packet
    282
  - Debugging JOIN/PRUNE Event
    282
- Register
  283
  - Simplified REGISTER Packet Format
    284
- Shared Tree
  285
  - Related CLI Command
    286
- Source-Based Tree
  287
  - Related CLI Command
    288
- Troubleshooting Examples: Limitations
  289
17. Troubleshooting Server Load Balancing
293
- In This Chapter
  293
- Introduction
  294
- Server Load Balance Failure
  294
- Troubleshooting Commands
  295
- Troubleshooting a Complete Failure
  296
- Troubleshooting a Partial Failure
  297
- The Troubleshooting Procedure
  297
18. Troubleshooting Authenticated VLANs
299
- In This Chapter
  299
- Introduction
  299
- Troubleshooting AVLAN
  300
- Troubleshooting Using Debug Systrace
  303
- Dshell Troubleshooting
  310
  - Authentication Dispatcher (AD) Debugging Help
    310
  - The Authenticated VLAN adDebugShowContext Function
    311
19. Troubleshooting 802.1X
315
- In This Chapter
  315
- Troubleshooting with the CLI
  316
- Troubleshooting Using Debug CLI
  318
- Dshell Troubleshooting
  321
A. OS6600/OS7700/OS8800 Architecture Overview
325
- In This Chapter
  325
- The MAC ASIC
  326
  - Catalina
    326
  - Firenze
    328
  - The Coronado ASIC
    329
  - Functional Description
    330
- Queue Driver Interaction
  332
  - Ethernet Driver
    332
  - Queue Dispatcher
    332
  - NI Supervision
    333
  - Source Learning
    333
  - L3 Manager/IPMS
    333
  - QoS Manager
    333
    - Destination MAC Learning
      333
    - L3 Pseudo CAM Learning
      333
    - QoS Policy Change
      333
    - QoS Policy Deleted
      334
    - L2 destination MAC Aged/Deleted
      334
    - L3 PseudoCAM Entry Aged/Deleted
      334
    - Request to Free Queues Sent to QoS Manager
      334
    - Link Goes Up/Down
      334
- Link Aggregation
  335
- Coronado Tables
  335
  - Layer 2 Tables
    335
  - Layer 3 Tables
    335
- Source Learning
  336
- Hardware Routing Engine (HRE)
  337
- QoS/Policy Manager
  339
- Coronado Egress Logic
  339
- The Fabric Architecture
  340
- Nantucket ASIC
  341
  - Additional Nantucket Specifications
    341
    - Functional Description:
      342
    - Data Flow
      342
  - Calendar Manager Module
    343
  - Data Port Output Module
    343
  - Nantucket Redundancy
    343
- Roma
  346
  - Functional Description
    347
    - Initialization
      348
    - NI Slot Insertion
      349
    - Setup Calendars and Flow Control for New NI
      349
    - NI Slot Extraction
      349
  - CMM Takeover and Hot Swap
    349
  - Framing Error
    350
- Chassis Management Module (CMM)
  350
  - OS7000 CMM
    351
  - OS8800 CMM
    351
  - Functional Description of CMM
    352
    - CMM Software Startup Process
      352
    - AOS
      353
    - MiniBoot
      354
    - AOS Start
      354
  - Chassis Manager Component of System Services
    354
  - CMM Reload of NI Module
    354
  - Overall System Architecture
    356
- Packet Walk
  358
  - Packet Walk Principles
    358
  - Data Flow Overview
    358
- Specific Packet Flows
  359
  - Unknown L2 Source, Known L2 Destination
    359
    - The Catalina ASIC
      359
    - The Coronado ASIC
      359
    - The Nantucket ASIC
      359
    - The Coronado ASIC
      359
    - The Catalina ASIC
      359
- Unknown Destination
  360
  - Known L2 Source, Unknown L2 Destination
    360
    - The Catalina ASIC
      360
    - The Coronado ASIC
      360
    - The Nantucket ASIC
      360
    - The Coronado ASIC
      361
    - The Catalina ASIC
      361
  - Traffic is Being Passed; the Switch is Attempting to Put a Correct L2 DA Entry on the NI
    361
    - The Coronado ASIC
      361
  - Unknown L3 DA
    362
    - The Coronado ASIC
      362
- Hardware Buses on OmniSwitch 7700/7800/ 8800 Switches
  365
  - Xybus
    365
  - Fbus
    365
  - Bbus
    365
- Bus Mapping on OmniSwitch 7700/7800/8800 Switches
  366
  - Xybus Mapping
    366
  - Fbus Mapping
    366
    - Falcon (OmniSwitch 7700/7800) Fbus Mapping
      366
    - Eagle (OmniSwitch 8800) Fbus Mapping
      366
- OS6624/6648 Architecture
  367
  - Hardware Architectural Overview
    368
  - Layer 2 Forwarding
    370
    - Address Resolution Protocol
      370
    - Address Learning
      371
    - Location of Address Tables
      371
    - Address Look-up Methodology
      372
    - L2 Data Structures
      372
    - 3-Protocol Entry
      373
  - Layer 3 Forwarding
    374
  - VLANs
    375
    - Port Based VLANs
      375
    - Protocol Based VLANs
      375
    - Address Based VLANs
      375
    - Tag Net ID Entry
      376
    - Priority
      376
    - 802.1p Priority
      376
    - Rules-Based Priority
      377
    - QOS Flow
      377
    - Bandwidth Management and QoS
      377
- CMM Functionality for OS6600
  378
- OS6600 IPC Communication
  382
- OS6600 BOOT Sequence
  383
B. Debug Commands
387
C. Technical Support Commands
595
D. Modifying Files with VI Editor
607
- In This Chapter
  607
- Useful VI Commands
  608
- Sample VI Session
  609
Index
611

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Language:

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