[Serusers] SRV failover question
Paul Antinori (pantinor)
pantinor at cisco.com
Mon Dec 4 15:40:43 CET 2006
Hi Steve,
Yes I am trying to get SER to resend the INVITE to priority 2 after
priority 1 timed out due to connection down scenario.
Thank you,
Paul
-----Original Message-----
From: Steve Blair [mailto:blairs at isc.upenn.edu]
Sent: Monday, December 04, 2006 9:37 AM
To: Paul Antinori (pantinor)
Cc: Greger V. Teigre; serusers at iptel.org
Subject: Re: [Serusers] SRV failover question
Paul:
Are you trying to get the proxy server to re-send the invite based on
the SRV list or the phone?
_Steve
Paul Antinori (pantinor) wrote:
> Greger and all,
>
> The URL does not really help. You will see my cfg script below is
> already using rewritehostport with no port and the SRV name.
> I also am not using t_on_failure as it should not be necessary
> according the post by Klaus.
>
> Heres my SRV table with the ranking priorities:
>
> _sip._udp.vxml.pats.cisco.com SRV service location:
> priority = 1
> weight = 1
> port = 5060
> svr hostname = vxml-1.pats.cisco.com
> _sip._udp.vxml.pats.cisco.com SRV service location:
> priority = 2
> weight = 1
> port = 5060
> svr hostname = vxml-2.pats.cisco.com
> _sip._udp.vxml.pats.cisco.com SRV service location:
> priority = 3
> weight = 1
> port = 5060
> svr hostname = vxml-3.pats.cisco.com
> pats.cisco.com nameserver = ns1.pats.cisco.com
> vxml-1.pats.cisco.com internet address = 10.86.129.x
> vxml-2.pats.cisco.com internet address = 10.86.129.x
> vxml-3.pats.cisco.com internet address = 10.86.129.x
> ns1.pats.cisco.com internet address = 10.86.129.x
>
>
> Thanks anyone for any help,
>
> Paul
>
>
>
> ----------------------------------------------------------------------
> --
> *From:* Greger V. Teigre [mailto:greger at teigre.com]
> *Sent:* Monday, December 04, 2006 6:41 AM
> *To:* Paul Antinori (pantinor)
> *Cc:* serusers at iptel.org
> *Subject:* Re: [Serusers] SRV failover question
>
> http://lists.iptel.org/pipermail/serusers/2006-October/030813.html
>
> Paul Antinori (pantinor) wrote:
>>
>> Hi,
>>
>> Regarding the SRV query addition in (ser-0.9.7-pre7), when the call
>> fails on the first priority destination, it never seems to attempt to
>> send the INVITE to the second priority destination in the SRV
>> response list. Is there anything else to script in the ser.cfg file
>> to get this to work?
>>
>> Thanks for help,
>>
>> Paul
>>
>> [root at iptel-sip-proxy /]# /usr/sbin/tethereal | grep SIP Capturing on
>> eth0
>> 10.100556 10.86.142.144 -> 10.86.129.17 SIP Request: INVITE
>> sip:77710107773365 at 10.86.129.17:5060;transport=udp
>> 10.101774 10.86.129.17 -> 10.86.142.144 SIP Status: 100 trying --
>> your call is important to us
>> 14.233596 10.86.129.17 -> 10.86.142.144 SIP Status: 408 Request
>> Timeout 14.235930 10.86.142.144 -> 10.86.129.17 SIP Request: ACK
>> sip:77710107773365 at 10.86.129.17:5060;transport=udp
>> 2139 packets captured
>>
>> [root at iptel-sip-proxy /]# /usr/sbin/tethereal | grep DNS Capturing on
>> eth0
>> 4.279486 10.86.129.17 -> 10.86.129.16 DNS Standard query SRV
>> _sip._udp.vxml.pats.cisco.com
>> 4.279897 10.86.129.16 -> 10.86.129.17 DNS Standard query response
>> SRV 1 1 5060 vxml-1.pats.cisco.com SRV 2 1 5060 vxml-2.pats.cisco.com
>> SRV 3 1 5060 vxml-3.pats.cisco.com
>>
>> 4.280045 10.86.129.17 -> 10.86.129.16 DNS Standard query A
>> vxml-1.pats.cisco.com
>> 4.280231 10.86.129.16 -> 10.86.129.17 DNS Standard query response A
>> 10.86.129.2 <--this is unplugged from the network
>>
>>
>> debug=3
>> fork=yes
>> log_stderror=yes
>> rev_dns=no
>> port=5060
>> children=4
>> check_via=no
>> sip_warning=yes
>> fifo="/tmp/ser_fifo"
>> uid="nobody"
>> gid="nobody"
>>
>> #aliases for this proxy server
>> #ie hostnames/domains that it routes for alias=sox.cisco.com
>> alias=pats.cisco.com
>>
>> loadmodule "/usr/local/lib/ser/modules/sl.so"
>> loadmodule "/usr/local/lib/ser/modules/tm.so"
>> loadmodule "/usr/local/lib/ser/modules/rr.so"
>> loadmodule "/usr/local/lib/ser/modules/maxfwd.so"
>> loadmodule "/usr/local/lib/ser/modules/usrloc.so"
>> loadmodule "/usr/local/lib/ser/modules/registrar.so"
>> loadmodule "/usr/local/lib/ser/modules/textops.so"
>>
>> modparam("usrloc", "db_mode", 0)
>> modparam("rr", "enable_full_lr", 1)
>> modparam("tm","fr_timer",5)
>> modparam("tm","fr_inv_timer",5)
>>
>> route{
>>
>>
>> if (!mf_process_maxfwd_header("10")) {
>> sl_send_reply("483","Too Many Hops");
>> break;
>> };
>>
>> if (uri=~"^sip:1") {
>> log(1, "SER found 1*\n");
>> rewritehostport("ccm.pats.cisco.com");route(1);break;
>> }
>> if (uri=~"^sip:2") {
>> log(1, "SER Found 2*\n");
>> rewritehostport("ccm.pats.cisco.com");route(1);break;
>> }
>> if (uri=~"^sip:7") {
>> log(1, "SER Found 7*\n");
>>
rewritehostport("vxml.pats.cisco.com");route(1);break;
>> }
>> if (uri=~"^sip:8") {
>> log(1, "SER Found 8*\n");
>> rewritehostport("SER.pats.cisco.com");route(1);break;
>> }
>> if (uri=~"^sip:9") {
>> log(1, "SER Found 9*\n");
>>
>> rewritehostport("ringtone.pats.cisco.com");route(1);break;
>> }
>>
>> log(1,"Could Not Match DN to Route\n");
>> route(1);
>> }
>>
>> route[1]
>> {
>> if (!t_relay()) {
>> sl_reply_error();
>> };
>> }
>>
>> ---------------------------------------------------------------------
>> ---
>>
>> _______________________________________________
>> Serusers mailing list
>> Serusers at lists.iptel.org
>> http://lists.iptel.org/mailman/listinfo/serusers
>>
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>
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