I got the same problem, didn't figure out this also 在 2013年7月25日星期四，Chu Duc Minh 写道：
> When I launch 5-10 instances simultaneously (from Dashboard), some > instances duplicate network like that: (in Overview of instance) > IP Addresses > ------------------------------ > Net_Proj1 10.2.1.20, 10.2.1.2 > Security Groups > ------------------------------ > default > > - ALLOW -1:-1 from 0.0.0.0/0 > - ALLOW 22:22 from 0.0.0.0/0 > > default > > - ALLOW -1:-1 from 0.0.0.0/0 > - ALLOW 22:22 from 0.0.0.0/0 > > I can't ping both IP 10.2.1.20 & 10.2.1.2 > > > Some instances have single IP but I can't ping too. > Do some check, i found that these instances can't get IP Address due to > IPtables problem. > In a compute node, the DHCP Discovery request being dropped in Chain * > quantum-openvswi-sg-fallback* (I used ULOG to log dropped packet, then i > pretty sure about this) > > > PS: I'm using bonding with OpenvSwitch on br-prv (VM network) > I dont' know it could be affect ? >
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