Hello Daniel!

Adding the sock_avp parameter, fixes the error on the log, but the behaviour is the same as before.


As you can see, with nothing listening on those two servers, the loadbalancing it's still disables.


SET: {
ID: 3
TARGETS: {
DEST: {
URI: sip:media22-test.internal:5060
FLAGS: AP
PRIORITY: 0
}
DEST: {
URI: sip:media21-test.internal:5060
FLAGS: AP
PRIORITY: 0
}
}
}

Thanks
Alessio


On Tue, Oct 27, 2015 at 5:33 PM, Daniel-Constantin Mierla <miconda@gmail.com> wrote:
Hello,

it looks like sock_avp parameter has to be set -- it is there before 4.3.0 release, as I could spot in 'git blame' for dispatcher.c:768.

Not sure is really needed for failover, I will check its usage when I get first chance.

http://kamailio.org/docs/modules/stable/modules/dispatcher.html#dispatcher.p.sock_avp

Cheers,
DAniel


On 26/10/15 17:00, Alessio Casco wrote:

Hello!

We noticed today an issue with the kamailio loadbalancing.

Basically kamailio is not considering if an host is up or not, backends are set always as "FLAGS: AP" even if the host is down.

I see this when the proxy starts :

ERROR: dispatcher [dispatcher.c:768]: ds_warn_fixup(): failover functions used, but required AVP parameters are NULL -- feature disabled

These the parameters I have set:

# ----- dispatcher params -----
modparam("dispatcher", "list_file", "/etc/kamailio/dispatcher.list")
modparam("dispatcher", "dst_avp", "$avp(dsdst)")
modparam("dispatcher", "grp_avp", "$avp(dsgrp)")
modparam("dispatcher", "cnt_avp", "$avp(dscnt)")
modparam("dispatcher", "ds_ping_method", "OPTIONS")
modparam("dispatcher", "ds_ping_reply_codes", "class=2;class=3;code=404")
modparam("dispatcher", "ds_ping_from", "sip:proxy@sip.nexmo.com")
modparam("dispatcher", "ds_ping_interval", 20)
modparam("dispatcher", "ds_probing_threshold", 1)
modparam("dispatcher", "ds_probing_mode", 1)
modparam("dispatcher", "ds_hash_size", 10)
modparam("dispatcher", "ds_hash_expire", 3600)
modparam("dispatcher", "ds_hash_initexpire", 60)
modparam("dispatcher", "ds_hash_check_interval", 10)
modparam("dispatcher", "use_default", 0)
modparam("dispatcher", "attrs_pvname", "$avp(carrierattr)")
modparam("dispatcher", "setid_pvname", "$avp(carriergroup)")
modparam("dispatcher", "flags", 2)

I use 4.3.3, I think this issue started after upgrading from 4.3.1 but I can't say for sure.

Can someone please give us some advices on this?

Thanks
Alessio



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Daniel-Constantin Mierla
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