[one-users] Incorrect netmask on virtual machines
Javier Fontan
jfontan at opennebula.org
Tue Sep 24 02:40:01 PDT 2013
Are you getting correct data in your deployed VM? That is, that in the
output of "onevm show <vmid>" the context section has the values it is
supposed to have.
On Thu, Sep 19, 2013 at 3:26 PM, steele, jerry <Jerry.Steele at cgg.com> wrote:
> Hi Javier,
>
> Thanks for your reply. Unfortunately, I'm on version 4.0.1 due to OS restrictions, I guess the Sunstone interface gets a bit better as time goes on :)
>
> Hello, I have this network context in the template:
>>>>
> ETH0_DNS $NETWORK[DNS,NETWORK_ID="3"]
> SSH_PUBLIC_KEY $USER[SSH_PUBLIC_KEY]
> ETH0_IP $NIC[IP,NETWORK_ID="3"]
> ETH0_IPV6 $NIC[IP6_GLOBAL,NETWORK_ID="3"]
> ETH0_GATEWAY $NETWORK[GATEWAY,NETWORK_ID="3"]
> ETH0_NETWORK $NETWORK[NETWORK_ADDRESS,NETWORK_ID="3"]
> ETH0_GATEWAY6 $NETWORK[GATEWAY6,NETWORK_ID="3"]
> ETH0_CONTEXT_FORCE_IPV4 $NETWORK[CONTEXT_FORCE_IPV4,NETWORK_ID="3"]
> ETH0_MASK $NETWORK[NETWORK_MASK,NETWORK_ID="3"]
> <<<
> So I guess it would be wise to also show the virtual network description:
>>>>
> VIRTUAL NETWORK 3 INFORMATION
> ID : 3
> NAME : VLAN 44 Bridge
> USER : oneadmin
> GROUP : oneadmin
> CLUSTER : -
> TYPE : FIXED
> BRIDGE : br0
> VLAN : No
> USED LEASES : 2
>
> PERMISSIONS
> OWNER : um-
> GROUP : ---
> OTHER : ---
>
> VIRTUAL NETWORK TEMPLATE
> DNS="10.54.128.235,10.50.16.235,10.50.16.231"
> GATEWAY="10.54.143.254"
> NETWORK_MASK="255.255.248.0"
>
> USED LEASES
> LEASE=[ MAC="02:00:0a:36:88:98", IP="10.54.136.152", IP6_LINK="fe80::400:aff:fe36:8898", USED="1", VID="23" ]
> LEASE=[ MAC="02:00:0a:36:88:99", IP="10.54.136.153", IP6_LINK="fe80::400:aff:fe36:8899", USED="1", VID="24" ]
>
> FREE LEASES
> LEASE=[ MAC="02:00:0a:36:88:96", IP="10.54.136.150", IP6_LINK="fe80::400:aff:fe36:8896", USED="0", VID="-1" ]
> LEASE=[ MAC="02:00:0a:36:88:97", IP="10.54.136.151", IP6_LINK="fe80::400:aff:fe36:8897", USED="0", VID="-1" ]
> LEASE=[ MAC="02:00:0a:36:88:9a", IP="10.54.136.154", IP6_LINK="fe80::400:aff:fe36:889a", USED="0", VID="-1" ]
> LEASE=[ MAC="02:00:0a:36:88:9b", IP="10.54.136.155", IP6_LINK="fe80::400:aff:fe36:889b", USED="0", VID="-1" ]
> LEASE=[ MAC="02:00:0a:36:88:9c", IP="10.54.136.156", IP6_LINK="fe80::400:aff:fe36:889c", USED="0", VID="-1" ]
> LEASE=[ MAC="02:00:0a:36:88:9d", IP="10.54.136.157", IP6_LINK="fe80::400:aff:fe36:889d", USED="0", VID="-1" ]
> <<<
>
> The leases are set so that the VMs may only use a few addresses, as this is on our LAN, and only a few IPs are available, not the entire range.
>
> There's probably some mistakes there in the config somewhere, but not sure where they are.
>
> Thanks
>
> Jerry
>
>
> -----Original Message-----
> From: Javier Fontan [mailto:jfontan at opennebula.org]
> Sent: 19 September 2013 13:56
> To: steele, jerry
> Cc: users at lists.opennebula.org
> Subject: Re: [one-users] Incorrect netmask on virtual machines
>
> I suppose you already have contextualization package installed in you VM as you are getting the correct IP.
>
> The problem most probably comes because the VM (template) does not have a CONTEXT section with network information. If you are using Sunstone and OpenNebula 4.2 you can add that information checking
> Context->Add network contextualization in the template creation
> wizzard.
>
> On Tue, Sep 17, 2013 at 11:10 AM, steele, jerry <Jerry.Steele at cgg.com> wrote:
>> Hello,
>>
>>
>>
>> I'm fairly new to Opennebula - I've just set up my first trio of test
>> machines.
>>
>>
>>
>> I'd like the VMs to appear on my LAN, and as such have set up a
>> virtual network to dole out a pool of addresses to any VMs that I create.
>>
>>
>>
>> I've set a netmask of 255.255.248.0 in the virtual network template,
>> however, when the VMs get created, their NICs are configured with a
>> netmask of 255.255.255.0. I can ping other machines on my network
>> withink that range of IPs - so I know the VMs are on the network - but
>> that doesn't really help me much.
>>
>>
>>
>> I think it's something to do with contextualisation, or maybe the
>> network config on the host system, but my lack of experience has me at
>> a disadvantage here, I'm afraid.
>>
>>
>>
>> Rather than reproduce lots of console output here, could anyone who
>> wants to know more for troubleshooting purposes, please let me know what to provide?
>>
>>
>>
>> Many Thanks
>>
>>
>>
>> _____ ______ ______
>>
>>
>>
>>
>>
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>>
>> IT Support Specialist
>>
>> Subsurface Imaging
>>
>>
>>
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>>
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>>
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>>
>> W Sussex
>>
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>>
>>
>>
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>>
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>>
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>>
>>
>>
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>
>
>
> --
> Join us at OpenNebulaConf2013 in Berlin from the 24th to the 26th of September 2013!
>
> Javier Fontán Muiños
> Developer
> OpenNebula - The Open Source Toolkit for Data Center Virtualization www.OpenNebula.org | @OpenNebula | github.com/jfontan
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Join us at OpenNebulaConf2013 in Berlin from the 24th to the 26th of
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Javier Fontán Muiños
Developer
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www.OpenNebula.org | @OpenNebula | github.com/jfontan
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