When I down all Interfaces br0 eth1 vi0 vif1 vif2 vif3
From different machine i could still ping IP associated to virtual interfaces :( Whay??

Dnia 20-08-2010 o 13:05:11 ahmed amamou <[email protected]> napisał(a):



deb64:~# route
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use
Iface
193.XX.212.0    *               255.255.252.0   U     0      0        0
eth0
193.XX.212.0 * 255.255.252.0 U 0 0 0 vi0
193.XX.212.0    *               255.255.252.0   U     0      0        0
vif1
193.XX.212.0    *               255.255.252.0   U     0      0        0
vif2
193.XX.212.0    *               255.255.252.0   U     0      0        0
vif3
default         193.XX.215.254  0.0.0.0         UG    0      0        0
eth0


I think the problem come from the routes definition

as eth0 is still up and it's the first entry to route to net 193.XX.212.0

machine that contain this routing table will always send packet to 193.XX.212.0 from eth0

and it's also the default route so all packet that aren't in 193.XX.212.0 network will be sent from eth0 if you put eth0 down it will normally work because you will remove the first entry in routing table (that routing from eth0) but if you ping a host that isn't in the 193.XX.212.0 network you 'll have to add a default route




hope that will help you                                         


--

Tomasz Waśniewski
Admin HRD.pl

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