Re: [Gumstix-users] IGMP/Multicast on gumstix

[Bobby G. <ice...@ho...>]

Once you have CONFIG_MULTICAST=y and have uploaded the new kernel to the gumstix, what do you do in the way of setting the default route for multicasting?  I know on normal unix/linux systems, you use the route command "route add -net 224.0.0.0 netmask 240.0.0.0 dev wlan0", however, since the route tool is not on the gumstix, what method can I use to change the default route for outgoing multicast packets?  I am using a buildroot built filesystem and kernel, and as far as I know there isn't a route tool as an option for inclusion in the filesystem.


> From: wid...@st...
> To: gum...@li...
> Date: Tue, 10 Jun 2008 20:46:16 +0100
> Subject: Re: [Gumstix-users] IGMP/Multicast on gumstix
> 
> On Wednesday 04 June 2008 14:50:07 hermione wrote:
> 
> > I have done some changes in the configuration, among other changed the
> > switch on which the gumstix is connected, I don't know what causes the
> > behaviour, or what made the behaviour change.
> 
> Well I've moved from wireless to wifi, just an ad-hoc network.  My laptop 
> (which doesn't actually have CONFIG_MULTICAST set anyway) works fine, and the 
> gumstix can't receive.  I'm currently using the bodge of running tcpdump 
> listening to a random port to put the device into promiscuous mode.
> 
> It's not staggeringly elegant by any stretch of the imagination.
> 
> Stephen.
> 
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