[one-users] IP reservations in virtual networks

Rolandas Naujikas rolandas.naujikas at mif.vu.lt
Wed Jan 16 05:47:31 PST 2013


Hi,

When trying to configure virtual router VM I got into a problem.

I want to configure its private IP fixed to some low IP (e.g. 10.1.1.1).

I'm creating virtual (isolated) network X, where I defines 
IP_START=10.1.1.3, IP_END=10.1.1.254, but opennebula doesn't allow 
instantiate a VM with NIC=[IP=10.1.1.1,NETWORK=X], because 10.1.1.1 is 
not in range IP_START to IP_END.

If I put IP_START=10.1.1.1 to X, then some other user VM could take this 
IP. If I put 10.1.1.1 on hold (onevnet hold), then I cannot start VM 
with this IP until I release it (onevnet release), but there is always 
some time window when someone from users could take it. It looks like 
onevnet hold/release is almost useless.

Regards, Rolandas


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