How to configure the IPoIB interface?

Infrastructure & Networking Software And Drivers
1

Hello.

I have a ConnectX-5 card, and OFED-4.5 driver. The ib_ipoib kernel module is loaded. But I could not find the “ib0” or other “ibx” interface. There is only a “P4P1” interface, corresponding to mlx5_0 port 1. Is it a IPoIB interface or how could I configure a IPoIB interface?

Thanks.

2

Thanks.

3

Thank you. It’s very helpful.

4

Hi ,

First make sure the interface is working on IB not ETH

  1. Run “mst start”

  2. Run “mst status” to get the device id

  3. Run: mlxconfig -d /dev/mst/mt4115_pciconf0 set LINK_TYPE_P1=1

if there is a second port, then also run:

mlxconfig -d /dev/mst/mt4115_pciconf0 set LINK_TYPE_P2=1

Another Example:

mlxconfig -d mlx5_0 set LINK_TYPE_P1=1

For further information how to use IPOIB, please refer to the MLNX_OFED user manual “IPOIB” section:

https://docs.mellanox.com/pages/viewpage.action?pageId=12013510

Thanks,

Samer

5

Hi.

I met another problem when I configured the different NICs.

When I executed the same commands on the ConnectX-5 EN cards, it complained that 深度截图_选择区域_20190521154121

And I checked the configure declarement, it said that 深度截图_选择区域_20190521154106

So this action could only be executed on VPI cards?

Thanks.

6

Yes

Only VPI adapters support Ethernet and Infiniband link type

ConnectX-5 EN supports only Ethernet and doesn’t support IPOIB

Thanks,

Samer