[one-users] Wrong IP Address

Antonio Carlos Salzvedel Furtado Junior acsfj08 at inf.ufpr.br
Mon May 7 09:10:22 PDT 2012


Hello,


I'm successfully being able to deploy VMs on my cloud, but there is a
problem with the IP addresses that OpenNebula reports to be leased.

The DHCP seems to work fine with the bridge. For instance, I have a Debian
running in a VM, which was given the IP 192.168.122.254.
This is the output of 'ifconfig -a' ( excluding loopback ):

eth0     Link encap:Ethernet  Endereço de HW 02:00:c0:a8:7a:02
          inet end.: 192.168.122.244  Bcast:192.168.122.255
Masc:255.255.255.0
          endereço inet6: fe80::c0ff:fea8:7a02/64 Escopo:Link
          UP BROADCASTRUNNING MULTICAST  MTU:1500  Métrica:1
          RX packets:13 errors:0 dropped:0 overruns:0 frame:0
          TX packets:14 errors:0 dropped:0 overruns:0 carrier:0
          colisões:0 txqueuelen:1000
          RX bytes:1198 (1.1 KiB)  TX bytes:1512 (1.4 KiB)
          IRQ:11 Endereço de E/S:0x8000

The MAC address is correct. It is the same as the output of onevm show <VM
NUMBER>:

NIC=[
  BRIDGE=virbr0,
  IP=192.168.122.2,
  MAC=02:00:c0:a8:7a:02,
  NETWORK="Private LAN",
  NETWORK_ID=0,
  VLAN=NO ]

I just don't know where OpenNebula got that IP address 192.168.122.2, shown
above. 'arp -i virbr0' gives me the following:

Address                  HWtype  HWaddress           Flags Mask
Iface
192.168.122.244          ether   02:00:c0:a8:7a:02   C
virbr0



The VM was not contextualized, but that is not necessary, right? As far as
I'm concerned, OpenNebula only defines the MAC ADDRESS, but where does it
take information about leases?

ps.:Using KVM as hypervisor.

Thanks in advance.
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