Re: mc_forwarding

2012-08-04 Thread Adam NEVERT
I received no anwsers, it was not the appropriate mailing list for my 
question ?



Hello,

I want to enable this option net.ipv4.conf.all.mc_forwarding because I 
want to forward wake on lan udp packet to my broadcast address. I tried :

sysctl -w  net.ipv4.conf.all.mc_forwarding=1
error: permission denied on key 'net.ipv4.conf.all.mc_forwarding'

Is it possible to achieve what I want ? Other proposals ?

Thanks




Re: mc_forwarding

2012-08-04 Thread Ben Hutchings
On Sun, 2012-08-05 at 02:40 +0200, Adam NEVERT wrote:
 I received no anwsers, it was not the appropriate mailing list for my
 question ?

debian-user might be appropriate.

 
  Hello,
  
  I want to enable this option net.ipv4.conf.all.mc_forwarding because
  I want to forward wake on lan udp packet to my broadcast address. I
  tried :
  sysctl -w  net.ipv4.conf.all.mc_forwarding=1
  error: permission denied on key 'net.ipv4.conf.all.mc_forwarding'
  
  Is it possible to achieve what I want ? Other proposals ?

This sysctl is defined as read-only.  You need to run something like
mrouted to set up multicast routing.

Ben.

-- 
Ben Hutchings
Computers are not intelligent.  They only think they are.


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Re: mc_forwarding

2012-08-04 Thread Adam NEVERT

Ok I'll directly see on the website of mrouted to know how to configure it.

But a last question for information, I read on the internet that 
recompiling the kernel with particular options could allow the kernel to 
manage multicast forwarding is it correct ? If it is correct why was it 
decided to not add it to the debian linux kernel ?



On Sun, 2012-08-05 at 02:40 +0200, Adam NEVERT wrote:

I received no anwsers, it was not the appropriate mailing list for my
question ?

debian-user might be appropriate.


Hello,

I want to enable this option net.ipv4.conf.all.mc_forwarding because
I want to forward wake on lan udp packet to my broadcast address. I
tried :
sysctl -w  net.ipv4.conf.all.mc_forwarding=1
error: permission denied on key 'net.ipv4.conf.all.mc_forwarding'

Is it possible to achieve what I want ? Other proposals ?

This sysctl is defined as read-only.  You need to run something like
mrouted to set up multicast routing.

Ben.




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Re: mc_forwarding

2012-08-04 Thread Ben Hutchings
On Sun, 2012-08-05 at 05:14 +0200, Adam NEVERT wrote:
 Ok I'll directly see on the website of mrouted to know how to configure it.
 
 But a last question for information, I read on the internet that 
 recompiling the kernel with particular options could allow the kernel to 
 manage multicast forwarding is it correct ? If it is correct why was it 
 decided to not add it to the debian linux kernel ?

There is an option to enable multicast routing, which is enabled.  But
you still need the userspace routing daemon to configure it, as it's
more complicated than just flicking a switch.

Ben.

-- 
Ben Hutchings
Computers are not intelligent.  They only think they are.


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