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[lwip-devel] About ARP and netif state (up / down)

From: address@hidden
Subject: [lwip-devel] About ARP and netif state (up / down)
Date: Mon, 26 Nov 2007 20:55:49 +0100
User-agent: Thunderbird (Windows/20071031)

Hi all,

Just a quick question:

May ARP answer an ARP packet asking for the local address if the netif state is down? It currently only checks whether netif->ip_addr == 0 (which is the case when starting DHCP). But I think it should be quiet if 'downed', shouldn't it? And maybe it shouldn't even update its cache while it is down?

Of course, normally you wouldn't expect to even get packets when down but it has to when DHCP is started for example...


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