[cisco-voip] CUPS SIP Proxy Redundancy

[Paul Dillon]

Kevin,
Thank you very much for prompt response. I will test this tomorrow.
Regards
Paul


On 3/28/08, Kevin Thorngren <kthorngr at cisco.com> wrote:
>
> Hi Paul,
>
> Please see inline comments....
>
>
> I re-read your original email bit closer.  Are you using CUPS just for SIP
> Proxy or are you also using it for presence?
>
>
> If just as a SIP Proxy you might be ok but my understanding is that the
> two CUPS servers must be co-located with their CUCM Pub.  I believe this is
> for presence functionality.  Not sure (but doubt) if it will affect SIP
> Proxy functionality.  Please verify with you Cisco SE.
>
>
> Let me know if you have any questions.
>
>
> Kevin
>  On Mar 27, 2008, at 3:26 PM, Paul Dillon wrote:
>
> Kevin,
>
> I am still confused here after reading the PDFs:
>
> In Active Dir DNS:
>
> I need to add 2 DNS SRV entries to the DNS: of the same name but with
> diifferent weights and priorities. Is the port number 5060 and what do you
> use for UDP for protocol and what do you use for Service? Is the host the IP
> address of the SIP Proxy
>
> Yes, you will create two DNS SRV records of the same name.  If you want to
> load balance set the priority and weight values the same.  If you want to
> configure failover then set a lower priority to the preferred CUPS server.
>
>
> When you create the DNS SRV record type *_sip* for the service and select
> or type *_udp* for the protocol.  For my testing I believe I used the FQDN
> of the proxy server.  You might be able to use the IP address.
>
>
> The port is 5060.
>
> Then on CVP Call Server disable outbound proxy and use DNS SVR and create
> a static route > to the DNS SRV
>
> Yes, the static route will be the name of the DNS SRV record.  Also you
> will need to enable Use DNS SRV type query.
>
> Do I change the SIP-UA SIP Server to the DNS SRV address hence requiring
> DNS on gateways
>
> Honestly I never set this up.  In my testbed my ingress GW was another
> CUCM generating calls.  I am not sure of the exact mechanism but you will
> configure the outbound calls on the ingress GW to use the name of the DNS
> SRV record.
>
> Similarily on the Call managers do I use the same DNS name in the SIP
> Trunk instead of the SIP Proxy IP address and also requiring DNS on CCM. Or
> do I add a second SIP trunk for the secondary Proxy
>
> Just use one trunk and configure the destination as the name of the DNS
> SRV record and check the destination address is a SRV.  The destination port
> will be 0.
>
> Thanks
>
> Paul
>
> On 3/21/08, Kevin Thorngren <kthorngr at cisco.com> wrote:
> >
> > Hi Paul,
> >
> > You will use DNS SRV records to facility SIP load balancing.  The CVP
> > Configuration and Administration guide and CVP SRND provide the details.
> >
> > Look in the CVP 4.x config/admin guide on page 514:
> > http://www.cisco.com/en/US/docs/voice_ip_comm/cust_contact/
> > contact_center/customer_voice_portal/cvp4_0/configuration/guide/
> > cvp40cfg.pdf
> > or
> > http://tinyurl.com/ytymqw
> >
> > And, look at the CVP 4.x SRND in the high availability section:
> > http://www.cisco.com/en/US/docs/voice_ip_comm/cust_contact/
> > contact_center/customer_voice_portal/srnd/4x/cvp40sdg.html
> > or
> > http://tinyurl.com/ypxzmd
> >
> > Kevin
> >
> > On Mar 21, 2008, at 8:04 AM, Paul Dillon wrote:
> >
> > > Hi,
> > >
> > > Using CUPS for SIP call routing. CUPS has SIP Trunk to CCM6.0.1.
> > > and to AS5350XM IOS gateways and to CVP 4.0.2 Call Servers. We want
> > > to add CUPS redundancy and have second CUPS server in a remote
> > > location - I believe this can be done using DNS - Has anyone tried
> > > it and what are the details?
> > >
> > > Specific Questions:
> > > Do you create two CM SIP trunks, one for each CUPS or one trunk to
> > > DNS?
> > > On CVP OS Call server SIP settings there is option to send call to
> > > OutBoundProxy which is currently pointed to the SIP Proxy - How
> > > does CVP call server send calls to both proxys?
> > > On IOS gateways there is only option to configure one SIP Proxy -
> > > "sip-ua...sip-server _" - Can 2 SIP proxys be entered or must DNS
> > > be used?
> > >
> > > Thanks a lot
> > >
> > > Paul
> > > _______________________________________________
> > > cisco-voip mailing list
> > > cisco-voip at puck.nether.net
> > > https://puck.nether.net/mailman/listinfo/cisco-voip
> >
> >
>
>
>
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