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[openflow-discuss] oftest exposed likely (small corner case) bug in OVS

Ben Pfaff blp at
Thu Mar 22 17:18:06 PDT 2012

On Wed, Mar 21, 2012 at 05:02:57PM -0700, Rob Sherwood wrote:
> In any case, the pktact.SingleWildcardMatch and
> pktact.AllExceptOneWildcardMatch tests were failing because it looks
> like OVS (v1.4 release) was  not matching vlan tagged packets when the
> match wildcarded vlan but the dl_vlan value (which should be ignored,
> because it is wildcarded) was non-zero.  We've worked around this in
> OFTest by making sure that the dl_vlan value is zero when vlan is
> wildcarded and now the test passes.

That's really odd.  Is it easy enough to show me a sample flow_mod
(maybe a hex dump?) that illustrates the problem?

Is dl_vlan_pcp also wildcarded?

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