Messages in this thread | | | Subject | Re: [net V2] act_mirred: do not drop packets when fails to mirror it | From | Jamal Hadi Salim <> | Date | Thu, 16 Aug 2012 08:11:47 -0400 |
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On Thu, 2012-08-16 at 14:44 +0800, Jason Wang wrote: > We drop packet unconditionally when we fail to mirror it. This is not intended > in some cases. Consdier for kvm guest, we may mirror the traffic of the bridge > to a tap device used by a VM. When kernel fails to mirror the packet in > conditions such as when qemu crashes or stop polling the tap, it's hard for the > management software to detect such condition and clean the the mirroring > before. This would lead all packets to the bridge to be dropped and break the > netowrk of other virtual machines. > > To solve the issue, the patch does not drop packets when kernel fails to mirror > it, and only drop the redirected packets. > > Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
cheers, jamal
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