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[lwip-devel] [bug #21643] udp_send/raw_send don't fail if netif is down

From: Simon Goldschmidt
Subject: [lwip-devel] [bug #21643] udp_send/raw_send don't fail if netif is down
Date: Mon, 26 Nov 2007 17:04:35 +0000
User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; de; rv: Gecko/20071025 Firefox/

Follow-up Comment #11, bug #21643 (project lwip):

>> This shouldn't impact things like DHCP because they're not IP packets
> Are you sure of that? I check with a DHCP capture, and they are UDP

Yep, same here. All the DHCP packets I ever saw were IP packets ;-)

And ARP won't send on its own: it asks for MAC addresses only if the
destination address is a unicast address. We *should* check that ARP doesn't
respond on ARP requests to its own address until the netif is up, but my guess
is this is already implemented.


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