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Update from update/networkservicemesh/sdk-vpp #130

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merged 1 commit into from
Nov 22, 2021

Commits on Nov 22, 2021

  1. Update go.mod and go.sum to latest version from networkservicemesh/sd…

    …k-vpp@main
    
    PR link: networkservicemesh/sdk-vpp#452
    
    Commit: 7958db6
    Author: Ed Warnicke
    Date: 2021-11-22 09:09:20 -0600
    Message:
      - Fix for mtu issues with kernelvethpair (#452)
    This *probably* fixes:
    networkservicemesh/sdk#1148
    
    The underlying issue was that the end of the vethpair to which
    VPP was attaching with afpacket was not getting its MTU set correctly.
    As a result, if an oversized packet was sent over it, it would be fragmented
    by the kernel to a size that matches the mtu on the end of the veth pair
    that was in the NSC network namespace.
    
    The resulting packet would *still* be to large for the MTU of the end of the
    vethpair attached to the VPP instance, and would be dropped there.
    
    The second fragment, being smaller, would be smaller than the MTU of the
    end of the vethpair to which VPP was attached with af-packet, and so get
    through.
    
    Signed-off-by: NSMBot <[email protected]>
    NSMBot committed Nov 22, 2021
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