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[lwip-devel] [bug #34683] IPv4 routing doesn't consider source IP addres


From: Simon Goldschmidt
Subject: [lwip-devel] [bug #34683] IPv4 routing doesn't consider source IP address
Date: Wed, 07 Dec 2011 10:13:40 +0000
User-agent: Mozilla/5.0 (Windows NT 5.1; rv:8.0) Gecko/20100101 Firefox/8.0

Follow-up Comment #11, bug #34683 (project lwip):

By '<----->', you mean that lwIP and PC1/2 are on the same physical network
without a router (i.e. only switches)? If so, that's not supported by standard
IP routing, as far as I know.

 I don't think that will work by only changing IP routing to consider the
source address: etharp_output() compares the destination address with the
subnet and sends to netif->gw if this check fails.

In the spirit of 'lightweight' in our name, we have decided to not support
such extended routing mechanisms and network setups, in the past.

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  <http://savannah.nongnu.org/bugs/?34683>

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