Cisco C8510-SRP - Switch Route Processor Troubleshooting Guide Page 108
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ATM and Layer 3 Switch Router Troubleshooting Guide
OL-1969-02
Chapter 5 Troubleshooting Switch Router ATM Interface Connections
Troubleshooting T1 and E1 Interfaces
Misc reg: 12
cfgr 0x08, ier 0x00, isr 0x00, ctlr 0x00,
imrr 0x21, dlcr 0x78, rboc_cier 0x38, rboc_isr 0x3F,
t1frmr_cfgr 0x80, t1frmr_ier 0x00, t1frmr_isr 0x00, t1frmr_statr 0x02,
rfdl_cfgr 0x84, rfdl_esr 0x80, rfdl_statr 0x87, rfdl_datar 0x87,
pmon_pmr 0x00, pmon_iesr 0x00, pmon_lcvec0r 0x00, pmon_lcvec1r 0x00,
pmon_fbeec0r 0x00, pmon_fbeec1r 0x00, pmon_sezdc0r 0x00, pmon_sezdc1r 0x00,
pmon_peec0r 0x00, pmon_peec1r 0x00, pmon_ppeec0r 0x00, pmon_ppeec1r 0x00,
pmon_febeec0r 0x00, pmon_febeec1r 0x00, t1tran_cfgr 0x00, t1tran_diagr 0x00,
xfdl_cfgr 0x00, xfdl_isr 0x02, xfdl_txdatar 0x00, xboc_coder 0x7F,
splr_cfgr 0x84, splr_ier 0x80, splr_isr 0xD3, splr_statr 0x00,
splt_cfgr 0x84, splt_ctlr 0x80, splt_diagr 0x00, splt_f1r 0x00,
cppm_locmr 0x0C, cppm_copmr 0x10, cppm_b1ec0r 0x00, cppm_b1ec1r 0x00,
cppm_feec0r 0x00, cppm_feec1r 0x00, cppm_febec0r 0x00, cppm_febec1r 0x00,
cppm_hcsec0r 0x00, cppm_hcsec1r 0x00, cppm_iucc0r 0x06, cppm_iucc1r 0x0D,
cppm_rcc0r 0x00, cppm_rcc1r 0x00, cppm_tcc0r 0x00, cppm_tcc1r 0x00,
rxcp_ctlr 0x28, rxcp_frcr 0x00, rxcp_iesr 0x1C, rxcp_iucph1r 0x00,
rxcp_iucph2r 0x00, rxcp_iucph3r 0x00, rxcp_iucph4r 0x01, rxcp_iucmh1r 0xFF,
rxcp_iucmh2r 0xFF, rxcp_iucmh3r 0xFF, rxcp_iucmh4r 0xFF, rxcp_upcph1r 0x00,
rxcp_upcph2r 0x00, rxcp_upcph3r 0x00, rxcp_upcph4r 0x00, rxcp_upcmh1r 0xFF,
rxcp_upcmh2r 0xFF, rxcp_upcmh3r 0xFF, rxcp_upcmh4r 0xFF, rxcp_hcscsr 0xFC,
rxcp_lctctr 0xB4, txcp_ctlr 0xA0, txcp_iesr 0x08, txcp_iucph1r 0x00,
txcp_iucph2r 0x00, txcp_iucph3r 0x00, txcp_iucph4r 0x01, txcp_iucph5r 0x52,
txcp_iucpr 0x00, e1frmr_foptr 0x00, e1frmr_moptr 0x00, e1frmr_fier 0x00,
e1frmr_fiisr 0x01, e1frmr_meier 0x00, e1frmr_meiir 0x00, e1frmr_mesr 0x00,
e1tran_foptr 0x00, e1tran_sdoptr 0x01, e1tran_bip8emr 0x00, e1tran_maoptr 0x0
ttb_ctlr 0x04, ttb_ttisr 0x00, ttb_iar 0x00, ttb_idr 0x00,
ttb_eptlr 0x00, ttb_ptlcsr 0x00, sffpcsr 0x30, pcr 0x30,
phy_tx_cnt:8028287, phy_rx_cnt:8028403
IF Name: ATM4/1/0, framer Base Address: A8F09000
Dump of framer registers 16 per line
00-0F : 30 00 00 00 00 00 00 0C 00 00 00 00 02 02 00 00
10-1F : 22 02 22 22 90 90 97 90 20 2F 2F 20 7C 78 FF FF
20-2F : 11 00 A5 A5 A5 A5 A5 A5 A5 A5 38 3F 50 40 40 40
30-3F : 00 00 00 00 00 02 00 00 84 80 87 87 40 00 08 44
40-4F : D0 D0 D8 D0 30 30 00 00 00 03 00 00 00 00 00 00
50-5F : 00 00 00 00 C8 CC 7F 7F 1C 1C CC CC 18 18 18 18
60-6F : 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18
70-7F : 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18
Dump of internal registers for mask
9 9 9 9 1 1 0 0
Switch#
Step 2 Check the fields listed in Table 5-8. It lists the best troubleshooting fields in the show controllers
command display, what those fields indicate.
- Cisco Reader Comment Card 1
- BUSINESS REPLY MAIL 2
- Troubleshooting Guide 3
- CONTENTS 5
- 3 Initial Troubleshooting 3-1 6
- 4 Example Network 4-1 6
- Contents 10
- OL-1969-01 10
- C ATM Cell Structures C-1 15
- D Creating a Core Dump D-1 15
- F Technical Support F-1 15
- Audience 17
- Organization 18
- Related Documentation 19
- Conventions 20
- Obtaining Documentation 21
- Cisco.com 22
- Technical Assistance Center 22
- Contacting TAC by Telephone 23
- Troubleshooting Overview 25
- Troubleshooting Tools 29
- Converted show epc Commands 30
- Using Diagnostic Commands 31
- • TDRs and OTDRs, page 2-5 32
- • Network Monitors, page 2-5 32
- • Network Analyzers, page 2-6 32
- TDRs and OTDRs 33
- Network Monitors 33
- Network Analyzers 34
- Initial Troubleshooting 35
- Accessibility Test 36
- OIR Test 36
- Snake Test 36
- Examples 37
- Using Bug Toolkit 39
- Checking IOS Release Notes 41
- Finding the Image 45
- IOS Upgrade Procedures 46
- Maintaining Functional Images 46
- Catalyst 8540 MSR) 48
- Example Network 55
- Example Networks 56
- Physical Connections 57
- Virtual Connections 58
- Chapter 4 Example Network 59
- Interface Connections 73
- Checking Cell Rates 75
- Performing OAM Loopback Tests 78
- OAM Loopback Testing 81
- Configuring Loopback Examples 82
- Line Coding Errors 89
- Interface Module LEDs 98
- OL-1969-02 103
- Port Adapter LEDs 104
- Interfaces 125
- • An AIS defect 131
- Network Connections 133
- Checking the UBR Resources 138
- • Packet discard 145
- • UPC option 145
- Checking UNI Interfaces 150
- Debugging SVC Signalling 153
- Alternate SVC Diagnostics 154
- Debugging PNNI SVC Routing 156
- Checking ATM Routes 157
- Checking PNNI Topology 158
- Checking SVC Downstream 159
- Hierarchical Network 160
- Checking SVCC-RCC Status 176
- Checking SVCC-RCC Hello State 177
- Checking Link Aggregation 183
- • Debugging Summary Addresses 184
- Debugging Summary Addresses 186
- Checking Traffic Priority 193
- Using PNNI Trace Connection 196
- Initiating a Trace Connection 197
- Environments 203
- Debugging the LANE Connection 211
- Troubleshooting Tag and MPLS 213
- Switching Connections 213
- How Tag Switching Works 214
- Troubleshooting TDP Neighbors 220
- MPLS Overview 224
- How MPLS Works 225
- MPLS Example 229
- Verifying CEF Switching 232
- Verifying MPLS 235
- Pinging Neighbors 236
- Verifying Label Distribution 236
- Verifying Label Bindings 237
- Troubleshooting MPLS VPN 238
- Verifying VRF Configurations 239
- Verifying Routing Information 240
- Verifying Labels 242
- Pinging ATM VPN Connections 254
- Debugging MPLS 256
- Network Clocking 257
- Performing Basic Checks 258
- CES Example Network 260
- Overview of Network Clocking 263
- Network Clock Module LEDs 264
- Layer 3 to Layer 3 269
- Connection Troubleshooting 269
- Uplink Interfaces 271
- • Detect port stuck failure 276
- 100BASE-FX Interface Modules 279
- Interface Modules 303
- Module LED Descriptions 304
- • SONET Tech Tips 311
- Descriptions 311
- Descriptions (continued) 312
- Defining Layer 3 Switching 320
- Understanding Packet Flow 320
- C8540CSR-1 321
- C8540CSR-2 321
- Layer 3 Forwarding 324
- Layer 2 Bridging 324
- Overview of Layer 3 Switching 325
- System Architecture 326
- Route Processor 327
- Routing Protocols 328
- Layer 2 VLAN and Switching 328
- Cisco Express Forwarding 329
- CEF Operation 330
- The Frame Scheduler 332
- Line Card Architecture 334
- CEFA Search Engine 335
- Fabric Interface 335
- Figure 11-13 Shared CAM 337
- Checking the IP Routing Table 345
- Checking the Interface Status 346
- CAM encoding: 354
- 0x009021DDDDDD 354
- • IP routing is on 355
- Layer 3 IP Multicast Overview 361
- Dense Mode 362
- Sparse Mode 362
- The Multicast Routing Table 364
- Utilization Problems 369
- Troubleshooting SDM Problems 374
- Layer 2 Switching 383
- Bridging 384
- Layer 2 Switching Broadcasts 385
- Layer 2 CAM Display 393
- Check for Spanning Tree Loop 393
- Before Configuring IRB 395
- • Load balancing 398
- • Fault tolerance 398
- Layer 3 to ATM 403
- Connections 405
- ATM Router Module Overview 406
- Hardware Restrictions 407
- ATM Router Module Software 408
- IPX Switching Overview 422
- • That the IP routing is on 436
- Appendixes 443
- Debugging a Switch Router 445
- Using the Debug Interface 446
- Using the debug ? Command 447
- Enabling Message Logging 450
- Passwords 455
- Cannot Compile Daemon 456
- Daemon Is Not Up and Running 457
- Daemon Does Not Run 457
- Recovering a Lost Password 459
- ATM Cell Structures 461
- Appendix 462
- OAM Cell Structure 463
- LANE Data Frame 465
- Creating a Core Dump 467
- Using the write core Command 469
- APPENDIX 471
- Line Coding 472
- Connection Alarm Types 473
- Architecture Problems 474
- Port Stuck Message 477
- Potential Causes 478
- Technical Support 481
- Numerics 485
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