[asterisk-bugs] [JIRA] (ASTERISK-25632) res_pjsip_sdp_rtp: RTP is sent from wrong IP address when multihomed

[Olivier Krief (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-25632?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=229062#comment-229062 ] 

Olivier Krief commented on ASTERISK-25632:
------------------------------------------

Using Github's commit 9a13df1b3c2c924dc4016a14eeadc254e5a7504b and pjsip.conf media_address and bind_rtp_to_media_address settings, I could successfully observe an RTP flux coming from an auxiliary IP address and not from main IP address as with asterisk 13.6.0 (or 13.7.0).

I'm planning to test anew this commit with my cluster environment and report my findings here.

Thank you very much, for all, anyway.


> res_pjsip_sdp_rtp: RTP is sent from wrong IP address when multihomed
> --------------------------------------------------------------------
>
>                 Key: ASTERISK-25632
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-25632
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Resources/res_pjsip_sdp_rtp
>    Affects Versions: 13.6.0
>         Environment: Centos 7
>            Reporter: Olivier Krief
>            Assignee: George Joseph
>
> Setup is a cluster of two Asterisk boxes. Each box has several Ethernet interfaces and both share a set of floating IP addresses (pacemaker/corosync).
> One box is volontarily powered off.
> The remaining box send an outbound call to a PJSIP trunk.
> Within SDP portion of INVITE message, I can read:
> IN IP4 10.20.143.100
> where 10.20.143.100 is a floating IP.
> The INVITE message itself also comes from 10.20.143.100
> A bit later, as captured with tcpcump, I can see outbound RTP is sent from 
> 10.20.143.101 (non-floating IP).
> Trunk's transport is configured with:
> external_media_address     : 10.20.143.100
> I must add I'm new to clusters.
> My question is:
> is this feature supported (use of floating IP addresses)
> Regards



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