I have the following problem on a 4.04 release (SCS 3.0).
The HA server fails after about 30 minutes when I switch off the master.
In other words the slave still works fine but just for about 30 minutes when
the master goes down.
Looking in wireshark traces I see "Standard Query Response, Server Failure"
coming from the slave as DNS answer to a query like
_sip._udp.mysipdomain.it:type SRV, class IN
on the slave my /etc/resolv.conf is
search mysipdomain.it
nameserver 127.0.0.1
nameserver 172.16.5.1
where 172.16.5.1 is the IP of the master.
This is what I see in mysipdomain.it.zone:
IN .
$TTL 1800 ; 30 minutes
mysipdomain.it IN SOA ns1.mysipdomain.it. root.mysipdomain.it. (
2010042303 ; serial
1800 ; refresh (30 minutes)
1800 ; retry (30 minutes)
1800 ; expire (30 minutes)
1800 ; minimum (30 minutes)
)
NS scsslave.mysipdomain.it.
NS scsmaster.mysipdomain.it.
NAPTR 2 0 "s" "SIP+D2T" "" _sip._tcp.mysipdomain.it.
NAPTR 2 0 "s" "SIP+D2U" "" _sip._udp.mysipdomain.it.
$ORIGIN mysipdomain.it.
_sip._tcp SRV 1 0 5060 scsslave
SRV 1 0 5060 scsmaster
_sip._udp SRV 1 0 5060 scsslave
SRV 1 0 5060 scsmaster
scsmaster A 172.16.5.1
$ORIGIN scsmaster.mysipdomain.it.
_sip._tcp.rr SRV 1 0 5070 scsmaster.mysipdomain.it.
SRV 2 100 5070 scsslave.mysipdomain.it.
$ORIGIN mysipdomain.it.
scsslave A 172.16.4.1
$ORIGIN scsslave.mysipdomain.it.
_sip._tcp.rr SRV 1 0 5070 scsslave.mysipdomain.it.
SRV 2 100 5070 scsmaster.mysipdomain.it.
Thank you for any suggestions!
Heros
Ing. Heros Deidda
Pre-sales VoIP Engineer
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