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https://issues.apache.org/jira/browse/CLOUDSTACK-9887?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16013498#comment-16013498
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ASF subversion and git services commented on CLOUDSTACK-9887:
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Commit cbd366248298525e05da05ab7ed1eb77c531c3eb in cloudstack's branch
refs/heads/4.9 from [~rajanik]
[ https://gitbox.apache.org/repos/asf?p=cloudstack.git;h=cbd3662 ]
Merge pull request #2055 from shapeblue/sharedisolated
CLOUDSTACK-9887 ignore bogus default gateway
> A VM with dual shared/isolated network gets bogus GW assignment
> ---------------------------------------------------------------
>
> Key: CLOUDSTACK-9887
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9887
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Components: Virtual Router
> Reporter: Daan Hoogland
>
> If a VM is created in an isolated network and then gets assigned a secondary
> nic in a shared network, dnsmasq will be configured with 0.0.0.0 as gateway.
> dnsmasq then does the right thing and replaces it with its primary network
> interface. This is not useful for us so we should ignore it.
> Creating a new shared network the default gateway is correct:
> {code}
> root@r-22-VM:~# cat /etc/dnsmasq.d/cloud.conf
> dhcp-range=interface:eth0,set:interface-eth0-0,192.168.1.11,static
> dhcp-option=tag:interface-eth0-0,15,cs1cloud.internal
> dhcp-option=tag:interface-eth0-0,6,192.168.1.11,8.8.8.8,8.8.4.4
> dhcp-option=tag:interface-eth0-0,3,192.168.1.1
> dhcp-option=tag:interface-eth0-0,1,255.255.255.0
> {code}
> then when creating a VM with an isloated nic the dnsmasq on the shared
> network VR becomes
> {code}
> root@r-23-VM:~# cat /etc/dnsmasq.d/cloud.conf
> dhcp-range=interface:eth0,set:interface-eth0-0,192.168.2.11,static
> dhcp-option=tag:interface-eth0-0,15,cs1cloud.internal
> dhcp-option=tag:interface-eth0-0,6,192.168.2.11,8.8.8.8,8.8.4.4
> dhcp-option=tag:interface-eth0-0,3,0.0.0.0
> dhcp-option=tag:interface-eth0-0,1,255.255.255.0
> {code}
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