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   comp.protocols.tcp-ip      TCP and IP network protocols.      14,669 messages   

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   Message 12,737 of 14,669   
   Gene Smith to Barry Margolin   
   Re: Multicast on local subnet w/o a rout   
   22 Feb 09 18:39:32   
   
   From: gds@chartertn.net   
      
   Barry Margolin wrote, On 02/16/2009 05:10 PM:   
   > In article   
   > <0310eb37-e19b-4cc3-b3f8-bfe50b1c445c@w34g2000yqm.googlegroups.com>,   
   >  gds  wrote:   
   >   
   >> If I want to send to a multicast address with TTL at 1 (default) and I   
   >> have no reachable router or gateway defined, I receive errno 118   
   >> (destination unreachable) on sendto() call. Is this expected behavior?   
   >> This is using a pretty old version of Free BSD stack.   
   >> -gds   
   >   
   > Did you enable multicast on the socket?   
   >   
      
   Yes. Looking at FreeBSD cvs for function ip_output.c I see that   
   multicast no longer requires a route when the interface supports it. I   
   incorporated their updates in my code and am OK now.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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