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Troubleshooting QoS Troubleshooting QoS
page 10-12 OmniSwitch Troubleshooting Guide September 2005
Debug QoS Internal
The CLI command debug qos internal displays debugging information for QoS internal to the switch.
This command has the following syntax:
debug qos internal “[slice slot/slice] [flow] [queue] [port] [l2tree] [vector] [pending] [verbose]
[mapper] [pool] [log]”
One of the most useful commands to debug all your QoS policy rules is debug qos internal slice/slot flow
where slot is the slot number and slice is the slice (ASIC) number. On the OmniSwitch 7700/7800, each
slot has one slice (slice 0). On the OmniSwitch 8800, each slot may have up to 4 slices (slices 0 to 3). On
the OmniSwitch 6624/6648, each block of 24 ports makes up a slice (slice 0 and slice 1). (The uplink slots
are part of slice 0.)
-> debug qos internal "slice 1/0 flow"
L3 Flows (3 entries):
QID CAM P Flow Timeout
*0002d: 0 TCP ( 0) 192.168.10.11:* - 192.168.20.11:20 HRE
(rule 0, flags 00006001 vpn 0 pdi 5 HREDONE accept)
*0002d: 0 TCP ( 0) 192.168.10.11:* - 192.168.20.11:21 HRE
(rule 1, flags 00006001 vpn 0 pdi 5 HREDONE accept)
*fffff: 0 UDP ( 0) 192.168.10.11:* -255.255.255.255:* 240
(rule 2, flags 00002001 vpn 29 pdi 0 FORHRE deny)
output definitions
QID Queue ID Identifying the physical port. Range 0- 512.
P The IP port.
Rule The rule number in QoS policy configuration file.
Vpn The virtual port number.
Pdi The priority descriptor index. Used to match an entry in the PDI or
DSCP table, which contains the QoS policies.
HREDONE The result of the classification by the HRE.
Flow The flow with the format IP address:port.