Hi, Has anyone any experience of using LACP bonding with VPP in a bifurcated setup via SR-IOV? I'm using VPP 19.08.
My environment uses Mellanox ConnectX-4 25Gbps NICs in a single bond which carries data and control plane traffic via separate VLANs. It is not possible to have control plane traffic on separate interfaces from data due to the limitations of the particular customer environment. With active standby bonding in VPP, everything is fine - we create VFs from the Mellanox PFs and have two bonds, one on the PFs for control plane and one on the VFs for data. The VF bond is directed to VPP while the PF bond remains in the Linux kernel. Control traffic is not subject to VPP going up and down. With LACP this is not possible as the switch ports corresponding to the NIC ports must be grouped into an LACP portchannel, and the switch will not allow the same ports to be part of two portchannels. Therefore one of the two bonds (either the one using the PFs or one using the VFs) will fail. Is there any way for VPP to handle this scenario? Bonding is required on both control and data for redundancy, with LACP on the data via VPP for greater throughput. Effectively trying to have a single bond (created on Linux) but VPP to manage the VFs as part of that without creating a second bond. Or some other way to allow the two types of traffic to co-exist. Thanks Greg This message, including attachments, is CONFIDENTIAL. It may also be privileged or otherwise protected by law. If you received this email by mistake please let us know by reply and then delete it from your system; you should not copy it or disclose its contents to anyone. All messages sent to and from Enea may be monitored to ensure compliance with internal policies and to protect our business. Emails are not secure and cannot be guaranteed to be error free as they can be intercepted, a mended, lost or destroyed, or contain viruses. The sender therefore does not accept liability for any errors or omissions in the contents of this message, which arise as a result of email transmission. Anyone who communicates with us by email accepts these risks.
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