Chelsio Communications Chelsio T4 Betriebsanweisung PDF herunterladen (Seite 64)

Chapter IV. iWARP (RDMA)

4. Software/Driver Configuration and Fine-tuning

4.1. Testing connectivity with ping and rping

Load the NIC, iWARP & core RDMA modules as mentioned in Software/Driver Loading

section. After which, you will see one or two ethernet interfaces for the T4 device. Configure

them with an appropriate ip address, netmask, etc. You can use the Linux ping command to test

basic connectivity via the T4 interface. To test RDMA, use the rping command that is included in

the librdmacm-utils RPM:

Run the following command on the server machine:

[root@host]# rping -s -a server_ip_addr -p 9999

Run the following command on the client machine:

[root@host]# rping -c –Vv -C10 -a server_ip_addr -p 9999

You should see ping data like this on the client:

ping data: rdma-ping-0: ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqr

ping data: rdma-ping-1: BCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrs

ping data: rdma-ping-2: CDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrst

ping data: rdma-ping-3: DEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstu

ping data: rdma-ping-4: EFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuv

ping data: rdma-ping-5: FGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvw

ping data: rdma-ping-6: GHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwx

ping data: rdma-ping-7: HIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxy

ping data: rdma-ping-8: IJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz

ping data: rdma-ping-9: JKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyzA

client DISCONNECT EVENT...

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Chelsio Communications Chelsio T4 Betriebsanweisung Seite 64