[dpdk-dev] Questions on use of multiple NIC interfaces

Vladimir Medvedkin medvedkinv at gmail.com
Fri Mar 28 10:43:19 CET 2014

1. Yes.
2. Yes. Look at programmer's guide section 16 Multi-process support.
3. You can use blacklist eal option.


2014-03-28 13:25 GMT+04:00 Sujith Sankar (ssujith) <ssujith at cisco.com>:

> Hi all,
> Could someone answer the following questions about the usage of multiple
> NIC interfaces with DPDK?
> 1.  If my server has two identical Intel NICs, could I use both with DPDK
> and its applications?
> 2.  If both the NIC cards could be used with DPDK, could I use them with
> separate instances of applications?  E.g., NIC1 used by App1 and NIC2 used
> by App2.
> 3.  If answer to qn no 2 is yes, does the driver take care to avoid
> reinitialising NIC1 when App2 tries to initialise NIC2?  From what I've
> seen, DPDK calls the driver init for all the matching devices (vendor id
> and device id).
> Thanks,
> -Sujith

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