Re: [RTnet-developers] TTL

[Jan K. <ki...@rt...>]

amine wrote:
> Hi Jean,
> I have a simple question about the IP TTL value, why are you using a fixed 
> value (255)? 

Actually: I don't remember :). I guess we just had to set /some/ value,
and we still have no applications in sight where real-time packets gets
routed across several networks.

> In multicast we need to change this value , so i have add(in next realise of 
> multicast patch) a new filed in rtsocket structure a "mc_ttl " whitch allow 
> us to change the TLL value from the setsockopt function 
> (RT_IP_MULTICAST_TTL).
> So if you want i can't do the same thing for a normal TTL value, whitch we can 
> change it on using setsocket whith  (RT_IP_TTL).
> So tell me what?
> 

Hmm, do you see a RTnet application where non-multicast IP packets need
customised TTL values? If you need it, feel free to add it. Otherwise, I
would not spent any code on it yet.

Jan