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101

XVI. Traffic Management

Chelsio T5/T4 Unified Wire For Linux Page 221

2. Create a new policy file (say new_policy_file) and add the following line to associate

connections with the given scheduling class.:

src host 102.1.1.1 => offload class 0

3. Compile the policy file using COP

[root@host]# cop -d –o <output_policy_file> <new_policy_file>

4. Apply the COP policy:

[root@host]# cxgbtool eth0 policy <output_policy_file>

5. Set the appropriate rule for class 0

[root@host]# cxgbtool ethX sched-class params type packet level cl-rl

mode class rate-unit bits rate-mode absolute channel 0 class 0 max-rate

300000 pkt-size 1460

5.3. Offloaded Connections with Modified Application

The following example demonstrates the method to rate limit all TCP connections on class 0 to

a rate of 300 Mbps for for offloaded connections with modified application.

1. Load the Network driver in TOE mode.

[root@host]# modprobe t4_tom

2. Modify the application as mentioned in the Configuring Traffic Management section.

3. Set the appropriate rule for class 0

[root@host]# cxgbtool ethX sched-class params type packet level cl-rl

mode class rate-unit bits rate-mode absolute channel 0 class 0 max-rate

300000 pkt-size 1460

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