Cisco CISCO876-SEC-I-K9 Configuration Guide - Page 147
debug atm events Command, Example 14-5, Viewing ATM Interface Processor Events-Success
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Chapter 14 Troubleshooting ATM Troubleshooting Commands 01:32:08:ATM(ATM0.2):VC(3) Bad SAP received 4500 01:32:10:ATM(ATM0.2):VC(3) Bad SAP received 4500 debug atm events Command Use the debug atm events command to display events that occur on the ATM interface processor and to diagnose problems in an ATM network. This command provides an overall picture of the stability of the network. The no form of this command disables debugging output. If the interface is successfully communicating with the Digital Subscriber Line Access Multiplexer (DSLAM) at the telephone company, the modem state is 0x10. If the interface is not communicating with the DSLAM, the modem state is 0x8. Example 14-5 shows an ADSL line that is up and training successfully. Example 14-6 shows an ADSL line that is not communicating correctly. Note that the modem state does not transition to 0x10. Example 14-5 Viewing ATM Interface Processor Events-Success Router# debug atm events Router# 00:02:57: DSL: Send ADSL_OPEN command. 00:02:57: DSL: Using subfunction 0xA 00:02:57: DSL: Using subfunction 0xA 00:02:57: DSL: Sent command 0x5 00:02:57: DSL: Received response: 0x26 00:02:57: DSL: Unexpected response 0x26 00:02:57: DSL: Send ADSL_OPEN command. 00:02:57: DSL: Using subfunction 0xA 00:02:57: DSL: Using subfunction 0xA 00:02:57: DSL: Sent command 0x5 00:03:00: DSL: 1: Modem state = 0x8 00:03:02: DSL: 2: Modem state = 0x10 00:03:05: DSL: 3: Modem state = 0x10 00:03:07: DSL: 4: Modem state = 0x10 00:03:09: DSL: Received response: 0x24 00:03:09: DSL: Showtime! 00:03:09: DSL: Sent command 0x11 00:03:09: DSL: Received response: 0x61 00:03:09: DSL: Read firmware revision 0x1A04 00:03:09: DSL: Sent command 0x31 00:03:09: DSL: Received response: 0x12 00:03:09: DSL: operation mode 0x0001 00:03:09: DSL: SM: [DMTDSL_DO_OPEN -> DMTDSL_SHOWTIME] Example 14-6 Viewing ATM Interface Processor Events-Failure Router# debug atm events Router# 00:02:57: DSL: Send ADSL_OPEN command. 00:02:57: DSL: Using subfunction 0xA 00:02:57: DSL: Using subfunction 0xA 00:02:57: DSL: Sent command 0x5 00:02:57: DSL: Received response: 0x26 00:02:57: DSL: Unexpected response 0x26 00:02:57: DSL: Send ADSL_OPEN command. 00:02:57: DSL: Using subfunction 0xA 00:02:57: DSL: Using subfunction 0xA 00:02:57: DSL: Sent command 0x5 00:03:00: DSL: 1: Modem state = 0x8 00:03:00: DSL: 1: Modem state = 0x8 OL-5332-01 Cisco 850 Series and Cisco 870 Series Access Routers Software Configuration Guide 14-7