Debugging ATM

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R7# debug atm ?

arp

Show ATM ARP events

bundle

ATM VC Bundle

errors

ATM errors

events

ATM or FUNI Events

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■ arp: Show ATM ARP events. Displays messages pertaining to the process of mapping an ATM Network Service Access Point (NSAP) address to an IP address.

Here is a sample output for this command:

R7# debug atm arp

ATM ARP events debugging is on R7# ping 10.1.

20:32:54: ATMARP(ATM1/0.2): Learned address through INARP reply for CCIE R7# ping 10.1.1

20:32:57: ATMARP(ATM1/0.2): Learned address through INARP reply for CCIE

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 10.1.1.2, timeout is 2 seconds: !!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 4/4/4 ms

The error command is shown here.

■ errors: ATM errors - Displays error that occur for the ATM process on this router. This can include errors on an ATM interface or an error that involves any ATM related activity.

Here is a sample output for this command:

R7# debug atm errors

ATM errors debugging is on R7#

20:35:21: ATM(ATM1/0.7) Send:Error in encapsulation, No VC for address 0xE000000A

20:35:22: ATM(ATM1/0.2) Send:Error in encapsulation, No VC for address 0xE000000A

The event command is shown here.

■ events: ATM or Frame-based User to Network Interface (FUNI) Events. This command displays ATM events that occur on the ATM interface processor and is useful for diagnosing problems in an ATM network. It provides an overall picture of the stability of the network. In a stable network, the debug atm events command does not return any information. If the command generates numerous messages, the messages can indicate the possible source of problems.

Here is a sample output for this command:

R7# debug atm events

ATM events debugging is on

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 10.1.1.2, timeout is 2 seconds: !!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 4/4/4 ms

Reserved bw for 0/0 Available bw = 155000 rs8234_setup_vc(ATM1/0): vc:900 vpi:0 vci:74 rs8234_setup_vc_common() VCD=900 vp/vc=0/74 etype=0 rs8234_setup_cos(ATM1/0): vc:900 wred_name:- max_q:0 Created 64-bit VC counters

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