IP_MAX_MEMBERSHIPS

[Stephen Clark]

Bruce M Simpson wrote:

>On Thu, Apr 13, 2006 at 07:32:14AM +0100, Bruce M Simpson wrote:
>  
>
>>On Wed, Apr 12, 2006 at 10:34:13PM -0400, Stephen Clark wrote:
>>    
>>
>>>Can anyone tell me why the maximum number of members in a multicast 
>>>group is set at
>>>20?
>>>Are there issues with increasing this number?
>>>      
>>>
>
>Ah. Your original question appears not to have been answered. My bad.
>
>I do not see a limit on the members of a multicast group on FreeBSD
>either for individual sockets or for multicast forwarding based on my
>reading of the source code.
>
>BMS
>
>  
>
 From FreeBSD 6.0 prerelease also in 4.9
/usr/src/sys/netinet/in.h
#define    IP_MAX_MEMBERSHIPS    20    /* per socket */

Steve

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