> On Feb 15, 2017, at 12:01 PM, Andy Zhou <az...@ovn.org> wrote: > > On Mon, Feb 13, 2017 at 10:52 PM, nickcooper-zhangtonghao > <n...@opencloud.tech <mailto:n...@opencloud.tech>> wrote: >> lacp-fallback-ab determines the behavior of OvS bond in LACP mode. >> If the partner switch does not support LACP, setting this option >> to true allows OvS to fallback to active-backup. The balance-tcp >> mode requires lacp. If LACP negotiation fails and >> other-config:lacp-fallback-ab is true, then active-backup mode is >> used. But if users configure the bond port to balance-slb and lacp >> (unsuccessfully), active-backup mode is also used. >> >> Signed-off-by: nickcooper-zhangtonghao <n...@opencloud.tech >> <mailto:n...@opencloud.tech>> > > I think only accepts input from one port may be too restrictive. In case the > up stream switch choose to transmit on the port that we deicde not to receive, > then connection will be broken. > > It seems the currently the lacp_fallback_ab only applies to > transmit(output). Why should > it also apply to receive?
When we receive packets, balance-tcp may fallback to active-backup, and balance-slb should also fallback. But I didn’t consider the case above. Maybe, this patch is not useful. Thanks for your review. _______________________________________________ dev mailing list d...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-dev