Changes between Version 62 and Version 63 of TipAndDoc/VM/KVM


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Timestamp:
Apr 17, 2018 10:03:34 PM (17 months ago)
Author:
mitty
Comment:

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  • TipAndDoc/VM/KVM

    v62 v63  
    178178}}} 
    179179  * lease file => /var/lib/misc/dnsmasq.leases 
     180 
     181 * [https://www.redhat.com/archives/libvirt-users/2012-September/msg00038.html Re: [libvirt-users] virtual networking - virbr0-nic interface] 
     182 > > Any pointers on how virbr0 and virbr0-nic work would be really helpful. 
     183 >  
     184 > It's a workaround for kernel bug/feature. The bridge's MAC is copied 
     185 > from the first NIC attached. So if one detach all interfaces from a 
     186 > bridge and then attach just one, the bridge will lost previous MAC and 
     187 > gain a new one - just the same as the attached interface has. 
     188 >  
     189 > So if libvirt has to ensure a MAC for virtual bridge - it creates this 
     190 > dummy device (no traffic is routed through though) and just attach it to 
     191 > the virtual bridge. 
    180192 
    181193 == iptables ==