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[lwip-devel] [bug #30038] dhcp_network_changed doesn't reset AUTOIP coop
From: |
Bill Auerbach |
Subject: |
[lwip-devel] [bug #30038] dhcp_network_changed doesn't reset AUTOIP coop state |
Date: |
Wed, 06 Oct 2010 17:31:38 +0000 |
User-agent: |
Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.10) Gecko/20100914 Firefox/3.6.10 ( .NET CLR 3.5.30729) |
Follow-up Comment #12, bug #30038 (project lwip):
> BTW: I almost released a product with that, too :-)
Well, I did release it - to a trade show where this would not have been
detected. I'm not sure why I didn't see this still and I'm bothered by it. I
did a lot of testing of cable changes, DHCP to static to AutoIp changes all
around and didn't see it.
Since you're in dhcp_network_changed - if you want to be really complete with
it, the following should be added:
if(!dhcp) {
dhcp_inform(netif);
return;
}
If there is no DHCP server running (dhcp_start wasn't used - e.g. application
using static IP) then a network change will inform the network of the static
IP address. If you do this, one benefit is Windows will detect duplicate IPs
and "balloon" a warning.
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