[SR-Users] Kamailio HA with Virtual IP and multiple Asterisk servers for dispatching

SamyGo govoiper at gmail.com
Thu Nov 29 11:24:36 CET 2012


Hi,
Try reloading the dispatcher , 'kamctl dispatcher reload' - How exactly is
your HA failover working? do it keeps Kamailio on secondary resource
shutdown and turn it on when becoming active? I don't have anything much to
say on this issue now.

Hope I was of some help to you.
--
Sammy




On Thu, Nov 29, 2012 at 2:44 PM, Rumen Mihailov <zealas1662 at gmail.com>wrote:

> Hello Samy,
>
> this is driving me nuts.
>
> take a look at that:
> Kamailio 1
> [root at kamailio-1 ~]# kamctl dispatcher show
> dispatcher gateways
>
> +----+-------+----------------------+-------+----------+-------+-------------------+
> | id | setid | destination          | flags | priority | attrs |
> description       |
>
> +----+-------+----------------------+-------+----------+-------+-------------------+
> |  1 |     1 | sip:10.2.45.98:5060  |     8 |        1 |       |
> asterisk-1 |
> |  2 |     1 | sip:10.2.45.103:5060 |     8 |        1 |       |
> asterisk-2 |
>
> +----+-------+----------------------+-------+----------+-------+-------------------+
> [root at kamailio-1 ~]# kamctl dispatcher dump
> SET_NO:: 1
> SET:: 1
>         URI:: sip:10.2.45.103:5060 flags=IP priority=1 attrs=
>         URI:: sip:10.2.45.98:5060 flags=IP priority=1 attrs=
>
> All is OK.
> KAMAILIO 2
> [root at kamailio-2 ~]# kamctl dispatcher show
> dispatcher gateways
>
> +----+-------+----------------------+-------+----------+-------+-------------------+
> | id | setid | destination          | flags | priority | attrs |
> description       |
>
> +----+-------+----------------------+-------+----------+-------+-------------------+
> |  1 |     1 | sip:10.2.45.98:5060  |     8 |        1 |       |
> asterisk-1 |
> |  2 |     1 | sip:10.2.45.103:5060 |     8 |        1 |       |
> asterisk-2 |
>
> +----+-------+----------------------+-------+----------+-------+-------------------+
>
> as we can see setid = 1 for both servers, they actually read the data
> from one and the same location which is a MySQL table.
> [root at kamailio-2 ~]# kamctl dispatcher dump
> SET_NO:: 2
> SET:: 2
>         URI:: sip:10.2.45.103:5060 flags=IP priority=1 attrs=
> SET:: 1
>         URI:: sip:10.2.45.98:5060 flags=IP priority=1 attrs=
>
> Why the .... are they in different sets ?!?!?!?!
>
> I really can't understand this one...
> Anyone ... help ?
>
> Thanks
>
> On 28 November 2012 19:31, SamyGo <govoiper at gmail.com> wrote:
> > 1 - Why do you get two different SET Ids for two asterisk servers ? Is it
> > intentional ?
> > 2 - Please ensure that after failing back to primary the linux routes are
> > working and there is no issue with network layer connectivity.
> > Also how are your calls failing ? What do Kamailio complain ? Enable SIP
> > debug on your asterisk server and get a tcpdump on your kamailio server
> when
> > you get this issue.
> > Im pretty sure tcpdump will tell you whats happening.
> >
> > On Nov 28, 2012 10:07 PM, "Rumen Mihailov" <zealas1662 at gmail.com> wrote:
> >>
> >> The two configuration files are 100% identical.
> >>
> >> On 28 November 2012 19:01, Rumen Mihailov <zealas1662 at gmail.com> wrote:
> >> > Hi again and thank you for your help,
> >> >
> >> > This is what happened when I changed the flags to 8 and restarted both
> >> > kamailios
> >> > ACTIVE KAMAILIO
> >> > SET_NO:: 2
> >> > SET:: 2
> >> >         URI:: sip:10.2.45.103:5060 flags=AP priority=1 attrs=
> >> > SET:: 1
> >> >         URI:: sip:10.2.45.98:5060 flags=AP priority=1 attrs=
> >> >
> >> > PASSIVE KAMAILIO
> >> > SET_NO:: 1
> >> > SET:: 1
> >> >         URI:: sip:10.2.45.103:5060 flags=IP priority=1 attrs=
> >> >         URI:: sip:10.2.45.98:5060 flags=IP priority=1 attrs=
> >> >
> >> > When I stop kamailio 1 kamailio two takes the Virtual IP and
> >> > everything works like a charm, when I start kamailio 1 again the same
> >> > issue appears calls are only routed to the 10.2.45.103 asterisk....
> >> >
> >> > What might be the problem that they are in different set ?
> >> >
> >> >
> >> > On 28 November 2012 18:37, SamyGo <govoiper at gmail.com> wrote:
> >> >>
> >> >> Well these are two different dispatcher groups, one is SET:1
> 10.2.45.98
> >> >> where the calls are routed - the other one is SET:2 which you are
> >> >> definitely
> >> >> not calling in your ds_select() function.
> >> >>
> >> >> Also the flags=IP are, I think, saying that asterisk servers are
> >> >> inactive
> >> >> and kamailio is probing them, not sure about it. mine always show me
> >> >> flags=AP for active servers.
> >> >>
> >> >> Also how have you defined the
> >> >>
> >> >> ds_ping_reply_codes
> >> >>
> >> >>
> http://www.kamailio.net/docs/modules/3.2.x/modules_k/dispatcher.html#id2495999
> >> >>
> >> >> Parameter such that if asterisk responds with a 484 or 404 or
> anyother
> >> >> negative response to the dispatcher OPTIONS SIP ping then consider it
> >> >> active.
> >> >>
> >> >> Hope this will get your issue resolved.
> >> >>
> >> >> The thing is the dispatcher in kamailio or load-balancer in OpenSIPS
> >> >> both
> >> >> set the Initial flags of all the servers in the table to
> Active/Enabled
> >> >> !
> >> >> that means if I have a server which is down and I reload the
> dispatcher
> >> >> module it will mark that down server to UP and my calls will timeout
> >> >> trying
> >> >> to send calls to that instance !
> >> >>
> >> >> Thanks,
> >> >> Sammy
> >> >>
> >> >>
> >> >>
> >> >>
> >> >> On Wed, Nov 28, 2012 at 9:25 PM, Rumen Mihailov <
> zealas1662 at gmail.com>
> >> >> wrote:
> >> >>>
> >> >>> Hello Samy,
> >> >>>
> >> >>> this is what I got:
> >> >>>
> >> >>>
> >> >>> SET_NO:: 2
> >> >>> SET:: 2
> >> >>>         URI:: sip:10.2.45.103:5060 flags=IP priority=1 attrs=
> >> >>> SET:: 1
> >> >>>         URI:: sip:10.2.45.98:5060 flags=IP priority=1 attrs=
> >> >>>
> >> >>>
> >> >>> on both machines. Moreover now without any changes dispatcher is not
> >> >>> working at all. Only sending calls to the asterisk-1 (10.2.45.98)
> >> >>>
> >> >>> On 28 November 2012 18:20, SamyGo <govoiper at gmail.com> wrote:
> >> >>> > Hi again,
> >> >>> >
> >> >>> > I think instead of dispatcher show use "kamctl dispatcher dump"
> That
> >> >>> > will
> >> >>> > show you the kamailio status of these servers.  The flag 0, I'm
> not
> >> >>> > sure
> >> >>> > about that I always use 8 to re-activate the server if the ping
> gets
> >> >>> > back.
> >> >>> >
> >> >>> > Hope to hear from you
> >> >>> > --
> >> >>> > Sammy
> >> >>> >
> >> >>> >
> >> >>> >
> >> >>> >
> >> >>> > On Wed, Nov 28, 2012 at 8:57 PM, Rumen Mihailov
> >> >>> > <zealas1662 at gmail.com>
> >> >>> > wrote:
> >> >>> >>
> >> >>> >> Hello again,
> >> >>> >>
> >> >>> >> I was able to perform tests and this is the output:
> >> >>> >> Kamailio-1: 10.2.45.106
> >> >>> >> Kamailio-2: 10.2.45.109
> >> >>> >> Asterisk-1: 10.2.45.98
> >> >>> >> Asterisk-2: 10.2.45.103
> >> >>> >>
> >> >>> >> I can ping both asterisks from both kamailios
> >> >>> >> here are stats:
> >> >>> >> FROM KAMAILIO-1
> >> >>> >> [root at kamailio-1 ~]# ping 10.2.45.98
> >> >>> >> PING 10.2.45.98 (10.2.45.98) 56(84) bytes of data.
> >> >>> >> 64 bytes from 10.2.45.98: icmp_seq=1 ttl=64 time=0.315 ms
> >> >>> >> ^C
> >> >>> >> --- 10.2.45.98 ping statistics ---
> >> >>> >> 1 packets transmitted, 1 received, 0% packet loss, time 773ms
> >> >>> >> rtt min/avg/max/mdev = 0.315/0.315/0.315/0.000 ms
> >> >>> >> [root at kamailio-1 ~]# ping 10.2.45.103
> >> >>> >> PING 10.2.45.103 (10.2.45.103) 56(84) bytes of data.
> >> >>> >> 64 bytes from 10.2.45.103: icmp_seq=1 ttl=64 time=0.489 ms
> >> >>> >> 64 bytes from 10.2.45.103: icmp_seq=2 ttl=64 time=0.268 ms
> >> >>> >>
> >> >>> >> FROM KAMAILIO-2
> >> >>> >> [root at kamailio-2 ~]# ping 10.2.45.98
> >> >>> >> PING 10.2.45.98 (10.2.45.98) 56(84) bytes of data.
> >> >>> >> 64 bytes from 10.2.45.98: icmp_seq=1 ttl=64 time=1.46 ms
> >> >>> >> 64 bytes from 10.2.45.98: icmp_seq=2 ttl=64 time=0.324 ms
> >> >>> >> ^C
> >> >>> >> --- 10.2.45.98 ping statistics ---
> >> >>> >> 2 packets transmitted, 2 received, 0% packet loss, time 1036ms
> >> >>> >> rtt min/avg/max/mdev = 0.324/0.893/1.462/0.569 ms
> >> >>> >> [root at kamailio-2 ~]# ping 10.2.45.103
> >> >>> >> PING 10.2.45.103 (10.2.45.103) 56(84) bytes of data.
> >> >>> >> 64 bytes from 10.2.45.103: icmp_seq=1 ttl=64 time=2.09 ms
> >> >>> >> 64 bytes from 10.2.45.103: icmp_seq=2 ttl=64 time=0.350 ms
> >> >>> >> ^C
> >> >>> >>
> >> >>> >> Those are the 'kamctl dispatcher show' outputs:
> >> >>> >> KAMAILIO 1
> >> >>> >> [root at kamailio-1 ~]# kamctl dispatcher show
> >> >>> >> dispatcher gateways
> >> >>> >>
> >> >>> >>
> >> >>> >>
> >> >>> >>
> +----+-------+----------------------+-------+----------+-------+-------------------+
> >> >>> >> | id | setid | destination          | flags | priority | attrs |
> >> >>> >> description       |
> >> >>> >>
> >> >>> >>
> >> >>> >>
> >> >>> >>
> +----+-------+----------------------+-------+----------+-------+-------------------+
> >> >>> >> |  1 |     1 | sip:10.2.45.98:5060  |     0 |        1 |       |
> >> >>> >> asterisk-1 |
> >> >>> >> |  2 |     1 | sip:10.2.45.103:5060 |     0 |        1 |       |
> >> >>> >> asterisk-2 |
> >> >>> >>
> >> >>> >>
> >> >>> >>
> >> >>> >>
> +----+-------+----------------------+-------+----------+-------+-------------------+
> >> >>> >>
> >> >>> >> KAMAILIO 2
> >> >>> >> [root at kamailio-2 ~]# kamctl dispatcher show
> >> >>> >> dispatcher gateways
> >> >>> >>
> >> >>> >>
> >> >>> >>
> >> >>> >>
> +----+-------+----------------------+-------+----------+-------+-------------------+
> >> >>> >> | id | setid | destination          | flags | priority | attrs |
> >> >>> >> description       |
> >> >>> >>
> >> >>> >>
> >> >>> >>
> >> >>> >>
> +----+-------+----------------------+-------+----------+-------+-------------------+
> >> >>> >> |  1 |     1 | sip:10.2.45.98:5060  |     0 |        1 |       |
> >> >>> >> asterisk-1 |
> >> >>> >> |  2 |     1 | sip:10.2.45.103:5060 |     0 |        1 |       |
> >> >>> >> asterisk-2 |
> >> >>> >>
> >> >>> >>
> >> >>> >>
> >> >>> >>
> +----+-------+----------------------+-------+----------+-------+-------------------+
> >> >>> >>
> >> >>> >> Both asterisks can also ping both kamailios
> >> >>> >>
> >> >>> >> ds_select_dst("1","4");
> >> >>> >>
> >> >>> >> this is what I have in my route[TOASTERISK]
> >> >>> >>
> >> >>> >> Any thought guys ?
> >> >>> >>
> >> >>> >> Best regards,
> >> >>> >> Rumen
> >> >>> >>
> >> >>> >> On 28 November 2012 09:55, Rumen Mihailov <zealas1662 at gmail.com>
> >> >>> >> wrote:
> >> >>> >> > Hello Samy,
> >> >>> >> >
> >> >>> >> > Thank you for the hint, I will test later today and let you
> know
> >> >>> >> > the
> >> >>> >> > results.
> >> >>> >> >
> >> >>> >> > Best regards,
> >> >>> >> > Rumen
> >> >>> >> >
> >> >>> >> > On 28 November 2012 07:00, SamyGo <govoiper at gmail.com> wrote:
> >> >>> >> >> Hi,
> >> >>> >> >>
> >> >>> >> >> Just few quick questions , can you ping the second asterisk
> from
> >> >>> >> >> secondary
> >> >>> >> >> Kamailio ? what is the routing set for that. Does your second
> >> >>> >> >> asterisk
> >> >>> >> >> box
> >> >>> >> >> gets inactive in dispatcher show command after 30 seconds ?
> >> >>> >> >> Mine worked fine, the key is the linux routing table.
> >> >>> >> >>
> >> >>> >> >> BR
> >> >>> >> >> Sammy
> >> >>> >> >>
> >> >>> >> >>
> >> >>> >> >> On Tue, Nov 27, 2012 at 7:29 PM, Rumen Mihailov
> >> >>> >> >> <zealas1662 at gmail.com>
> >> >>> >> >> wrote:
> >> >>> >> >>>
> >> >>> >> >>> .s. Thank you for creating such a wonderful product. Thank
> you
> >> >>> >> >>> !!!
> >> >>> >> >>
> >> >>> >> >>
> >> >>> >> >>
> >> >>> >> >> _______________________________________________
> >> >>> >> >> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users
> >> >>> >> >> mailing
> >> >>> >> >> list
> >> >>> >> >> sr-users at lists.sip-router.org
> >> >>> >> >> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
> >> >>> >> >>
> >> >>> >>
> >> >>> >> _______________________________________________
> >> >>> >> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users
> mailing
> >> >>> >> list
> >> >>> >> sr-users at lists.sip-router.org
> >> >>> >> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
> >> >>> >
> >> >>> >
> >> >>> >
> >> >>> > _______________________________________________
> >> >>> > SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing
> >> >>> > list
> >> >>> > sr-users at lists.sip-router.org
> >> >>> > http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
> >> >>> >
> >> >>>
> >> >>> _______________________________________________
> >> >>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing
> >> >>> list
> >> >>> sr-users at lists.sip-router.org
> >> >>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
> >> >>
> >> >>
> >> >>
> >> >> _______________________________________________
> >> >> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing
> list
> >> >> sr-users at lists.sip-router.org
> >> >> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
> >> >>
> >>
> >> _______________________________________________
> >> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
> >> sr-users at lists.sip-router.org
> >> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
> >
> >
> > _______________________________________________
> > SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
> > sr-users at lists.sip-router.org
> > http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
> >
>
> _______________________________________________
> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
> sr-users at lists.sip-router.org
> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>
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