[vbox-dev] 'bridged adapter' issue.
hoes.maarten at gmail.com
Thu Aug 6 13:18:06 UTC 2015
Well I finally figured it out. On my ISP's wifi modem/router, there is a
setting called 'DHCP Binding'. This can be used to make sure that a certain
MAC always gets the same IP address assigned through DHCP. (essentially
creating a DHCP scope of 1 single IP and 1 single MAC).
When I enable this for a bridged host, reaching the default gateway becomes
impossible. I verified the MAC both in the VM settings as in the guest os,
and made sure that they match the 'DHCP Binding' settings on the
modem/router. As soon as I remove the entry from the modem/router and
restart the guest, networking resumes as expected.
I had this setting enabled for the 'old' VM's, but not for the newly
created ones; which explains the difference in behavior.
Now what I dont understand is why such a setting should/does break bridged
to wifi networking - especially when at the same time NAT does work as
expected with that setting enabled.
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