Did some more QoS labs yesterday. I have completed roughly 50/80 labs so far. Here is a quick tip for looking at what policy-maps are assigned to interfaces.
Show run | i interface|service-policy
Here is a question for my readers.
I want to shape to an average rate of 512k. The Tc shoud be 10 ms. What command and parameters do I need to use? Post in comments.
QoS studies
I love QoS 🙂
2 ways to configure that :
shape average 512000 5120
OR
R1(config)#int fa0/0
R1(config-if)#band 512
R1(config-if)#policy-map TEST
R1(config-pmap)#class TEST
R1(config-pmap-c)#shape average percent 100 10 ms
And the verification!
R1#sh policy-map inter fa0/0
FastEthernet0/0
Service-policy output: TEST
Class-map: TEST (match-all)
0 packets, 0 bytes
5 minute offered rate 0 bps, drop rate 0 bps
Match: none
Traffic Shaping
Target/Average Byte Sustain Excess Interval Increment
Rate Limit bits/int bits/int (ms) (bytes)
100 (%) 10 (ms) 0 (ms)
512000/512000 1280 5120 5120 10 640
Good job!
I agree. QoS is fun. Most people think they know QoS but they really don’t. If you are an expert in QoS I think that will be a very handy tool indeed. It gets very interesting when we start looking at egress queues of Catalyst switches and WTD 🙂