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Chapter 8      Advanced Router Configuration
Configuring CBAC Audit Trails and Alerts
Using CBAC inspection rules, you can configure alerts and audit trail information 
on a per-application protocol basis. For example, if you want to generate audit 
trail information for HTTP traffic, you can specify that in the CBAC rule covering 
HTTP inspection.
For instructions on configuring CBAC audit trails and alerts, refer to the 
Cisco IOS Security...

 
Chapter 8      Advanced Router Configuration
Configuring CBAC Audit Trails and Alerts
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CHAPTER
 
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9
Troubleshooting
Use the information in this chapter to help isolate problems you might encounter 
with Cisco 800 series and Cisco SOHO series routers or to rule out the router as 
the source of the problem. This chapter contains the following sections:
Before Contacting Cisco or Your Reseller, page 9-2
ADSL Troubleshooting, page 9-2
G.SHDSL Troubleshooting, page 9-3
ATM Troubleshooting Commands, page 9-6
Troubleshooting...

 
Chapter 9      Troubleshooting
Before Contacting Cisco or Your Reseller
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Before Contacting Cisco or Your Reseller
If you cannot locate the source of a problem, contact your local reseller for advice. 
Before you call, you should have the following information ready:
Chassis type and serial number
Maintenance agreement or warranty information
Type of software and version number 
Date you received the hardware
Brief description of the...

 
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G.SHDSL Troubleshooting
G.SHDSL Troubleshooting
Symmetrical high-data-rate digital subscriber line (G.SHDSL) is available on 
Cisco 828 and Cisco SOHO 78 routers. This section describes some G.SHDSL 
troubleshooting checks that you can perform if the router is not working properly. 
If you experience trouble with the G.SHDSL connection, verify the following:
That the G.SHDSL line is connected and is using pins...

 
Chapter 9      Troubleshooting
G.SHDSL Troubleshooting
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78-5372-06  Firmware Version:       R1.0
 Country Code:           0xB500
 Provider Code:          0x4E505347
 Vendor Data:            0x0 0x0 0x0 0x0 
                         0x0 0x0 0x0 0x0 
Performance statistics since reload:
Number of LOS failures:             0
Number of LOSQ failures:            0
Number of coding violations:        0
Number of errored seconds:          0
Number of severely...

 
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Chapter 9      Troubleshooting
G.SHDSL Troubleshooting
Requested rate User-specified bit rate requirement.
Actual rate The actual bit rate that the transceiver is using.
Modem Status
Handshake, when local transceiver tries to reach 
the far-end transceiver.
Training; indicates that the startup training is in 
progress.
Data, if successfully trained.
Received SNR The received signal-to-noise ratio (SNR).
Loop Attenuation The difference in...

 
Chapter 9      Troubleshooting
ATM Troubleshooting Commands
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ATM Troubleshooting Commands
This section describes some ATM troubleshooting commands.
ping atm interface Command
You can use the ping atm interface command to determine if a particular PVC is 
in use. The PVC does not need to be configured on the router in order for you to 
use this command.
For example, to test whether PVC 1/200 is in use, use the following command:
Router# ping...

 
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Chapter 9      Troubleshooting
ATM Troubleshooting Commands
To test whether the PVC is being used at the aggregator, enter the following 
command:
Router# ping atm interface atm 0 1 200 end-loopback 
Type escape sequence to abort.
Sending 5, 53-byte end-to-end OAM echoes, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 
400/401/404 ms
This command sends end-to-end OAM F5 packets, which are echoed back...

 
Chapter 9      Troubleshooting
ATM Troubleshooting Commands
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78-5372-06 Hardware is PQUICC Ethernet, address is 0000.Oc13.a4db 
(bia0010.9181.1281)
Internet address is 170.1.4.101/24
MTU 1500 bytes, BW 10000 Kbit, DLY 1000 usec, 
reliability 255/255., txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
Keepalive set (10 sec)
820-uut2#sh int dialer 1
Dialer 1 is up, line protocol is up 
Hardware is Dialer interface
Internet address is...