lwIP is very limited in routing. Currently, it can only send one packet on one interface. I guess the current 'routing' mechanism will return the default netif as target of a packet with broadcast address.
Simon -------- Original-Nachricht -------- > Datum: Mon, 10 Aug 2009 12:55:33 +0530 > Von: Mandeep Sandhu <[email protected]> > An: Mailing list for lwIP users <[email protected]> > Betreff: [lwip-users] Sending UDP packets to 255.255.255.255 > Hi All, > > Can I send UDP packets to the IP broadcast address 255.255.255.255? > I'm implementing > a tiny DHCP server and all DHCP respone's need to go out to the > broadcast IP addr. > > I'm currently using the BSD stack with ECOS, but having issues in > sending the packet out > as it gets dropped during a route lookup (i've tried with the > MSG_DONTROUTE option too > without success). > > How does lwIP handle sending of broadcast IP frames? I guess it should > go out of all available > interfaces if they are UP and have the relevant 'broadcast' flags set. > > Or do we have to add a broadcast specific route entry to make this happen? > > Thanks, > > > _______________________________________________ > lwip-users mailing list > [email protected] > http://lists.nongnu.org/mailman/listinfo/lwip-users -- Jetzt kostenlos herunterladen: Internet Explorer 8 und Mozilla Firefox 3 - sicherer, schneller und einfacher! http://portal.gmx.net/de/go/chbrowser _______________________________________________ lwip-users mailing list [email protected] http://lists.nongnu.org/mailman/listinfo/lwip-users
