Cisco Systems UBR10012 manual Sync, Wrap, Pass Thru

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Chapter 4 Troubleshooting Line Cards

Troubleshooting the Cisco uBR10012 OC-48 DPT/POS Line Card

Table 4-7 Cisco OC-48 DPT LED Status and Description

LED	Status	Description

SYNC	Green	Card synchronized to mate card
	Off	Card not synchronized
		Card not synchronized

WRAP	Yellow	Interface is wrapped
	Off	Interface not wrapped

PASS THRU	Yellow	DPT port line is in a pass-through state
	Off	DPT port line not in pass-through state

Cisco uBR10012 Universal Broadband Router Troubleshooting Guide

	OL-1237-01	4-17

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Contents Text Part Number OL-1237-01 Corporate HeadquartersCopyright 2001-2004, Cisco Systems, Inc All rights reserved N T E N T S ARP Traffic Testing with Digital Multimeters and Cable Testers B-1 OL-1237-01 Audience PurposeChapter Description Document OrganizationRelated Documentation Documentation Feedback Obtaining DocumentationCisco.com Ordering DocumentationOpening a TAC Case Obtaining Technical AssistanceCisco TAC Website TAC Case Priority Definitions Obtaining Additional Publications and InformationXii Basic Troubleshooting Tasks and Startup Issues Basic Troubleshooting ChecklistConfirming the Hardware Installation Displaying the Cisco IOS Software Version Last reset from power-onDisplaying System Environment Information Hardware Troubleshooting FlowchartTCC+ Cisco uBR10012 System Startup SequenceStartup Event Event Description AC PEM Faults PEM Faults and Fan Assembly FailuresColor Description Fault Symptom Corrective ActionDC PEM Faults DC PEM Front Panel original model, UBR10-PWR-DC 2400W AC-Input Power Shelf Fault Other Electrical ProblemsAC OK DC OKFan Assembly Module Fan Assembly Module FaultsFan Assembly Air Circulation Pattern MULTI-FAN Failure LED Symptom Steps to TakeSingle FAN Failure OL-1237-01 Troubleshooting PRE-1 Modules Message Description PRE Module Not SupportedPRE-1 Module Status Screen IOS Prot Booting Up with Redundant PRE-1 ModulesIOS Intf IOS RUNPRE-1 Module Faults LED Fault Steps to TakeC10000config#interface fastethernet0/0/0 Ethernet Connection ProblemsConsole Port Serial Connection Problems Troubleshooting System Crashes Troubleshooting Common System ProblemsARP Traffic High CPU Utilization ProblemsRouterconfig-if# ip access-groupnumber Exec and Virtual Exec Processes Cpuhog ErrorsDebug and System Messages IP Input Processing Invalid Scheduler Allocate ConfigurationInterrupts are Consuming a Large Amount of Resources Snmp Traffic Bus ErrorsProblems with Access Lists Region Manager Start End Sizeb Class Media Name 0x0A000000 Alignment Errors Memory ProblemsMemory Parity Errors Low Memory ErrorsParticle Pool Fallbacks Spurious Interrupts Spurious Memory Accesses OL-1237-01 Troubleshooting Line Cards Command Description General Information for Troubleshooting Line Card CrashesSIG Value SIG Name Error Reason Sigreload Cache Parity ErrorsSigerror Bus Errors Software-Forced Crashes Troubleshooting Line Cards TCC+ Front Panel Status Description PowerMaintenance Fault Type Response Show controllers clock-reference command Troubleshooting the OC-12 Packet-Over-SONET Line Card Fault Corrective Action RX CARRIER-A RX CARRIER-BActive PASS-THROUGH EnabledFail EnablePOS SRPPass Thru SyncWrap Gigabit Ethernet Line Card Faceplate and LED Descriptions Troubleshooting the Gigabit Ethernet Line CardGigabit Ethernet Line Card Faults and Recommended Responses OL-1237-01 Password Recovery Procedure Password Recovery Procedure OverviewPress Return. The user Exec prompt appears Change all three passwords using the following commands OL-1237-01 Unsupported Frame Relay Commands Unsupported CommandsMlppp Commands Hccp CommandsUnsupported PPP Commands Unsupported Mpls VPN CommandsSpectrum Management Commands Unsupported Telco-Return CommandsOL-1237-01 Equipment Description Testing with Digital Multimeters and Cable TestersTesting with OTDRs Testing with TDRs and OTDRsTesting with TDRs Testing with Breakout Boxes, Fox Boxes, and BERTs/BLERTs Testing with Network MonitorsTesting with Network Analyzers Active LED Enable LEDBert BlertMAINTENANCE, OC-12 SRP/DPT ENABLE, OC-48 DPT/POSMAINTENANCE, TCC+ POWER, OC-12 DPT/SRP POWER, TCC+Power LED Maintenance LEDSTATUS, OC-12 DPT/SRP STATUS, TCC+ SYNC, OC-48 DPT/POS TX, OC-48 DPT/POS WRAP, OC-48 DPT/POSPresent LED TCC+ OC-12 DPT/SRP TCC+RX Carrier LED RX LED RX Pkts LEDWrap LED TDR B-2TX LED OC-48 DPT/POS IN-6