[SR-Users] Problems with dispatcher module | feature disabled

[Alessio Casco]

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", "$avp(dscnt)")
modparam("dispatcher", "ds_ping_method", "OPTIONS")
modparam("dispatcher", "ds_ping_reply_codes", "class=2;class=3;code=404")
modparam("dispatcher", "ds_ping_from", "sip:proxy at sip.nexmo.com")
modparam("dispatcher", "ds_ping_interval", 20)
modparam("dispatcher", "ds_probing_threshold", 1)
modparam("dispatcher", "ds_probing_mode", 1)
modparam("dispatcher", "ds_hash_size", 10)
modparam("dispatcher", "ds_hash_expire", 3600)
modparam("dispatcher", "ds_hash_initexpire", 60)
modparam("dispatcher", "ds_hash_check_interval", 10)
modparam("dispatcher", "use_default", 0)
modparam("dispatcher", "attrs_pvname", "$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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