We also need to set our router under test with the MAC addersses used by TRex for the traffic. Make sure the list of interfaces ids match the ones defined by dpdk_nic_bind.py We opt for the first solution:Īnd edit Trex configuration file /etc/trex_cfg.yaml You can set TRex to match the DUT MACs or DUT to match the default MAC configured on TRex. Insert the a device to test, DUT (Device Under Test), in our case it is a Cisco IOU router and build the following topology, in which TRex will play the role of the client and the server for the generated traffic.īecause TRex doesn’t implement ARP, we have to manually indicate the router MAC addresses of the directly connected interfaces. Edit the VM template and make sure to select “Allow GNS3 to use any configured VMware adapter”
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