Messages in this thread | | | Date | Fri, 30 Nov 2012 12:08:13 -0500 (EST) | Subject | Re: [PATCH] bonding: rlb mode of bond should not alter ARP originating via bridge | From | David Miller <> |
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From: Jay Vosburgh <fubar@us.ibm.com> Date: Thu, 29 Nov 2012 10:28:25 -0800
> Zheng Li <zheng.x.li@oracle.com> wrote: > >>Do not modify or load balance ARP packets passing through balance-alb >>mode (wherein the ARP did not originate locally, and arrived via a bridge). >> >>Modifying pass-through ARP replies causes an incorrect MAC address >>to be placed into the ARP packet, rendering peers unable to communicate >>with the actual destination from which the ARP reply originated. >> >>Load balancing pass-through ARP requests causes an entry to be >>created for the peer in the rlb table, and bond_alb_monitor will >>occasionally issue ARP updates to all peers in the table instrucing them >>as to which MAC address they should communicate with; this occurs when >>some event sets rx_ntt. In the bridged case, however, the MAC address >>used for the update would be the MAC of the slave, not the actual source >>MAC of the originating destination. This would render peers unable to >>communicate with the destinations beyond the bridge. >> >>Signed-off-by: Zheng Li <zheng.x.li@oracle.com> >>Cc: Jay Vosburgh <fubar@us.ibm.com> >>Cc: Andy Gospodarek <andy@greyhouse.net> >>Cc: "David S. Miller" <davem@davemloft.net> > > Signed-off-by: Jay Vosburgh <fubar@us.ibm.com>
Applied.
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