Running Lio Iscsi And Network Traffic Concurrently - Chelsio Communications Terminator Series Installation And User Manual

Chapter IX. LIO iSCSI Target Offload
5.3.

Running LIO iSCSI and Network Traffic Concurrently

If you wish to run network traffic with offload support (TOE) and LIO iSCSI traffic together, follow
the steps mentioned below:
i. If not done already, load network driver with offload support (TOE):
[root@host~]# modprobe t4_tom
ii. Create a new policy file:
[root@host~]# cat <new_policy_file>
iii. Add the following lines to offload all traffic except LIO iSCSI:
listen && src port <target_listening_port> && src host <target_listening_ip>
=> !offload
all => offload
iv. Compile the policy:
[root@host~]# cop -d -o <output_policy_file> <new_policy_file>
v. Apply the policy:
[root@host~]# cxgbtool ethX policy <output_policy_file>
Example:
Using multiple listening servers:
Chelsio Unified Wire for Linux 145