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switch QOS statistics

Can anyone direct me some good switching documents related to qos to easily break down some of the show statistics to aide troubleshooting on a 6000 platform as in the following example :-

sh qos info run 3/1

un time setting of QoS:

QoS is enabled

Policy Source of port 3/1: Local

Tx port type of port 3/1 : 1p2q2t

Rx port type of port 3/1 : 1p1q4t

Interface type: vlan-based

ACL attached:

The qos trust type is set to untrusted.

Default CoS = 0

Queue and Threshold Mapping for 1p2q2t (tx):

Queue Threshold CoS

----- --------- ---------------

1 1 0 1

1 2 2 3

2 1 4 6

2 2 7

3 - 5

Queue and Threshold Mapping for 1p1q4t (rx):

All packets are mapped to a single queue.

Rx drop thresholds:

Rx drop thresholds are disabled.

Tx drop thresholds:

Tx drop-thresholds feature is not supported for this port type.

Rx WRED thresholds:

WRED feature is not supported for this port type.

Tx WRED thresholds:

Queue # Thresholds - percentage (* abs values)

------- ------------------------------------------

1 40%:70% (124518:217920 bytes) 70%:100% (217907:311168 bytes)

2 40%:70% (26214:45888 bytes) 70%:100% (45875:61440 bytes)

Tx queue size ratio:

Queue # Sizes - percentage (* abs values)

------- -------------------------------------

1 70% (311296 bytes)

2 15% (65536 bytes)

3 15% (65536 bytes)

Rx queue size ratio:

Rx queue size-ratio feature is not supported for this port type.

WRR Configuration of ports with speed 1000Mbps:

Queue # Ratios (* abs values)

------- -------------------------------------

1 100 (25600 bytes)

2 255 (65280 bytes)

1 REPLY
Anonymous
N/A

Re: switch QOS statistics

The following link has the QOS info you are looking for

WRED and WRR

http://www.cisco.com/warp/public/473/152.html#eigth

Understanding Quality of Service on Catalyst 6000 Family Switches

http://www.cisco.com/warp/public/473/152.html

http://www.cisco.com/warp/customer/473/102.html

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