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[lwip-devel] [patch #8560] DHCP is not notified of link down events, adm
[lwip-devel] [patch #8560] DHCP is not notified of link down events, admin status remains "up"
Thu, 30 Oct 2014 21:04:27 +0000
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Follow-up Comment #2, patch #8560 (project lwip):
"Handle a possible change in the network configuration.
This enters the REBOOTING state to verify that the currently bound address is
Link going down is a change in network configuration.
Also, this does not make admin and operational status the same. You can have
operational status 'up', but admin status will be 'down' until a REQUEST
message is ACK-ed (we enter DHCP_BOUND state).
Since the admin status goes 'down' anyway when operational status goes 'up'
(until the client eventually re-binds the address), we might as well do it
early. If this is not the way to do it, I'm open to suggestions (maybe check
link status before calling dhcp_reboot() ?).
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