Re: [OpenSIPS-Users] SCTP Symetric Multi Home

[Bogdan-Andrei Iancu]

Hi Daniel,

mhomed works only for UDP transport protocol.

For other protocols, consider selecting the proper outbound interface 
based on your routing logic, from script, via the force_send_socket() 
function:

http://www.opensips.org/Documentation/Script-CoreFunctions-2-1#toc16
or (same effect) by setting the $fs (forced socket) variable:
http://www.opensips.org/Documentation/Script-CoreVar-2-1#toc44

The socket you are forcing must be one of the opensips listeners.

Best

Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com

On 04.02.2016 18:32, Moreira Yokoyama, Daniel wrote:


Hi.

I'm trying to set Opensips to work on SCTP Symetric Multi Home.

To do this, I've set two endpoints:

listen=sctp:10.0.0.1:5070 

listen=sctp:10.0.0.2:5070 

and set mhomed

mhomed=1

Using SIPp to make some tests, I could see the association being 
successfully stablished, and as I turn down one of the client's 
network adapter it manages to successfully use other path with the 
another adapter. Problem is when I turn off one of the opensips 
adapter (10.0.0.1, for instance).


When I run the tcpdump I can notice that the heartbeat doesn't 
aknowledge the 10.0.0.2 to the association. But when searching on the 
internet I find a post on the list asking about multi home, whether it 
is supported or not, and the answer is that it does support, althought 
there is some lack of guidance to figure out how to set it up.


Looking through the source code, it seems that for each listen 
setting, it creates a separate socket association... what I need is to 
set a single socket and add both addresses to the same association 
(setting a multi home association).


The question is:

Does opensips really support this feature?

In case it does, what am I doing wrong to set it up?

Thanks.

Best regards.

Atenciosamente,

Daniel Moreira Yokoyama.

PS: Moderator, I apologize for the duplicated message. But the first 
one was sent by another address than this one and I assume it was 
blocked. Thank you.




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[OpenSIPS-Users] SCTP Symetric Multi Home

[Moreira Yokoyama, Daniel]

Hi.

I'm trying to set Opensips to work on SCTP Symetric Multi Home.

To do this, I've set two endpoints:

listen=sctp:10.0.0.1:5070
listen=sctp:10.0.0.2:5070

and set mhomed

mhomed=1

Using SIPp to make some tests, I could see the association being successfully 
stablished, and as I turn down one of the client's network adapter it manages 
to successfully use other path with the another adapter. Problem is when I turn 
off one of the opensips adapter (10.0.0.1, for instance).

When I run the tcpdump I can notice that the heartbeat doesn't aknowledge the 
10.0.0.2 to the association. But when searching on the internet I find a post 
on the list asking about multi home, whether it is supported or not, and the 
answer is that it does support, althought there is some lack of guidance to 
figure out how to set it up.

Looking through the source code, it seems that for each listen setting, it 
creates a separate socket association... what I need is to set a single socket 
and add both addresses to the same association (setting a multi home 
association).

The question is:

Does opensips really support this feature?
In case it does, what am I doing wrong to set it up?


Thanks.

Best regards.


Atenciosamente,

Daniel Moreira Yokoyama.


PS: Moderator, I apologize for the duplicated message. But the first one was 
sent by another address than this one and I assume it was blocked. Thank you.

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