I have put the bond down: 'ifconfig bond0 down.' Then changed the mode: 'echo 1 > /sys/class/net/bond0/bonding/mode' Without puting the bond down, you couldn't change the mode. 2011/7/31 Peter Senna Tschudin <peter.senna@xxxxxxxxx>: > On Sun, Jul 31, 2011 at 12:15 PM, Eduard Sinelnikov > <eduard.sinelnikov@xxxxxxxxx> wrote: >> Hi, >> >> The scenario is: >> * Create a bond with 3 interfaces (connect them to switch). >> * Change bond's mode to active/backup. >> * Physicly remove two cables form interfaces ( not the active interface ). >> * Put the cables back >> * Change the mode to round robin. > How did you change the mode? > >> * Try to ping some other computer. >> >> Now only one interface is pinging to remote computer. >> Without removing the cables all three interface will ping to remote >> computer periodicly. >> >> >> I did some debuging,in the code, and I see that in round robin all the >> interface is in active (and all of them transmiting periodically). >> After removing and puting back the cables(in active/backup mode). the >> interfaces change their status to backup. >> After this only one interface is transmiting ( the one which was the active). >> >> Thanks in advance, >> Eduard >> >> 2011/7/31 Peter Senna Tschudin <peter.senna@xxxxxxxxx>: >>> Hi Eduard, >>> >>> On Sun, Jul 31, 2011 at 4:59 AM, Eduard Sinelnikov >>> <eduard.sinelnikov@xxxxxxxxx> wrote: >>>> Hi, >>>> >>>> In the kernel 2.6.39.3 ( /drivers/net/bond/bond_main.c). >>> >>> I followed the code you mentioned. The file is actually at: >>> >>> ./drivers/net/bonding/bond_main.c >>> >>>> In the function ‘bond_xmit_roundrobin’ >>>> The code check if the bond is active via >>>> ‘bond_is_active_slave(slave)’ Function call. >>>> Which actually checks if the slave is backup or active >>>> What is the meaning of slave being backup in round robin mode? >>>> Correct me if I wrong but in round robin every slave should send a >>>> packet, regardless of being active or backup. >>> >>> I'm not sure about this but my best guess is that even using all >>> slaves to send packages, the slaves must be used one at a time, to >>> send packages sequentially. And one slave can be deactivated when a >>> problem is detected. I think that this two scenarios that justify the >>> check. >>> >>>> >>>> Thank you, >>>> Eduard >>>> >>>> _______________________________________________ >>>> Kernelnewbies mailing list >>>> Kernelnewbies@xxxxxxxxxxxxxxxxx >>>> http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies >>>> >>> >>> Peter >>> >>> -- >>> Peter Senna Tschudin >>> peter.senna@xxxxxxxxx >>> gpg id: 48274C36 >>> >> > > > > -- > Peter Senna Tschudin > peter.senna@xxxxxxxxx > gpg id: 48274C36 > _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
