Cisco 850 Series, Configuration Manual, Page: 145 / 196

14-5
Cisco 850 Series and Cisco 870 Series Access Routers Software Configuration Guide
OL-5332-01
Chapter 14 Troubleshooting
ATM Troubleshooting Commands
show atm interface Command
To display ATM-specific information about an ATM interface, use the show atm interface atm 0
command from privileged EXEC mode, as shown in Example 14-3 .
Example 14-3 Viewing Information About an ATM Interface
Router# show atm interface atm 0
Interface ATM0:
AAL enabled: AAL5 , Maximum VCs:11, Current VCCs:0
Maximum Transmit Channels:0
Max. Datagram Size:1528
PLIM Type:INVALID - 640Kbps, Framing is INVALID,
DS3 lbo:short, TX clocking:LINE
0 input, 0 output, 0 IN fast, 0 OUT fast
Avail bw = 640
Config. is ACTIVE
Table 14-2 describes some of the fields shown in the command output.
Fast Ethernet n is administratively down, line
protocol is down
The specified Fast Ethernet interface has been
disabled with the
shutdown command, and the
interface is disconnected.
For Dialer Interfaces
Dialer n is up, line protocol is up The specified dialer interface is up and operating
correctly.
Dialer n is down, line protocol is down
•
This is a standard message and may not indicate
anything is actually wrong with the
configuration.
or
•
If you are having problems with the specified
dialer interface, this can mean it is not
operating, possibly because the interface has
been brought down with the
shutdown
command, or the ADSL cable is disconnected.
Table 14-1 show interface Command Output Description (continued)
Output Cause
Table 14-2 show atm interface Command Output Description
Field Description
ATM interface Interface number. Always 0 for the Cisco 850 and Cisco 870 series access routers.
AAL enabled Type of AAL enabled. The Cisco 850 and Cisco 870 series access routers support
AAL5.
Maximum VCs Maximum number of virtual connections this interface supports.
Current VCCs Number of active virtual channel connections (VCCs).