Command Reference Guide

3Com Router 5000 Family and Router 6000 Family debugging atm packet ● 41
Command Reference
debugging atm packet
Purpose Use the debugging atm packet command to enable the packet debugging of
ATM.
Use the undo debugging atm packet command to disable the debugging.
Syntax debugging atm packet [ interface interface-type interface-num [ pvc {
pvc-name [ vpi/vci ] | vpi/vci } ] ]
undo debugging atm packet [ interface interface-type interface-num [
pvc { pvc-name [ vpi/vci ] | vpi/vci } ] ]
Parameters interface-type
Interface type, specifies an ATM interface together
with
interface-num.
interface-num
Interface number, specifies an ATM interface together
with
interface-type.
pvc-name
PVC name, optional. If no PVC name and no VPI/VCI
pair are specified, all the packet debugging of PVC will
be enabled.
vpi/vci
VPI/VCI pair, optional. For more details, please refer to
“Parameter Description” in the pvc command.
Default By default, all the debugging of ATM packet is disabled.
Example The example is a case to enable the debugging of ATM packet and display the results.
Enable all the packet debugging of ATM.
<3Com> debugging atm packet
After some time, the following messages may appear:
……
*515396.229644-atm-8-debug8: Atm1/0/0 pvc 1/32 out ppp pkt, snap, 22
*515396.229710-atm-8-debug8: FE FE 03 CF FF 03 C0 21 01 22 00 0E 01
04 05 DC
*515396.229812-atm-8-debug8: 05 06 00 00 1F 38
*515396.232644-atm-8-debug8: Atm1/0/0 pvc 1/32 out ppp pkt, snap, 22
*515396.232710-atm-8-debug8: FE FE 03 CF FF 03 C0 21 01 23 00 0E 01
04 05 DC
*515396.232812-atm-8-debug8: 05 06 00 00 1F 38
……
It indicates that PPP packets are being output from PVC 1/32 of
Atm1/0/0.