[cisco-voip] is all traffic endpoint initiated?
Wes Sisk
wsisk at cisco.com
Tue Aug 10 17:27:46 EDT 2010
Yes. Unless you restore a backup from the other subscriber.
/Wes
On Tuesday, August 10, 2010 5:16:25 PM, Lelio Fulgenzi
<lelio at uoguelph.ca> wrote:
> ...just an update, after installing the subscriber, the software media
> resources did not register. I had to first activate IPVMSA on the
> subscriber and those resources registered.
>
> Not sure if I will need to proceed with activating that service on all
> subscribers or not yet.
>
> ---
> Lelio Fulgenzi, B.A.
> Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1
> (519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> Cooking with unix is easy. You just sed it and forget it.
> - LFJ (with apologies to Mr. Popeil)
>
>
> ------------------------------------------------------------------------
> *From: *"Lelio Fulgenzi" <lelio at uoguelph.ca>
> *To: *"Ryan Ratliff" <rratliff at cisco.com>
> *Cc: *"cisco-voip voyp list" <cisco-voip at puck.nether.net>
> *Sent: *Tuesday, August 10, 2010 4:20:07 PM
> *Subject: *Re: [cisco-voip] is all traffic endpoint initiated?
>
> OK. Great. Sounds like I'm doing ok. Thanks for all your help with
> this one. And Wes too! ;)
>
> ---
> Lelio Fulgenzi, B.A.
> Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1
> (519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> Cooking with unix is easy. You just sed it and forget it.
> - LFJ (with apologies to Mr. Popeil)
>
>
> ------------------------------------------------------------------------
> *From: *"Ryan Ratliff" <rratliff at cisco.com>
> *To: *"Lelio Fulgenzi" <lelio at uoguelph.ca>
> *Cc: *"cisco-voip voyp list" <cisco-voip at puck.nether.net>
> *Sent: *Tuesday, August 10, 2010 4:12:59 PM
> *Subject: *Re: [cisco-voip] is all traffic endpoint initiated?
>
> I am talking about the software resources and am glad that you do have
> them. I was worried for a second that there was another DMA bug where
> you didn't get them created.
>
> In 4.x you had the ability to remove these resources from the
> database. That is changed in the appliance versions and they are
> there whether you like them or not. This is to prevent them from
> causing transient connections for the service being activated but the
> resources not being in the database.
>
>
> -Ryan
>
> On Aug 10, 2010, at 3:58 PM, Lelio Fulgenzi wrote:
>
> OK - I'm a bit lost here, what do you mean by "software media
> resources" ? What exactly am I trying to add? Are you talking about
> software based annunciators, conference bridges and MTPs? I deleted
> these all in my v4 cluster.
>
> But when I take a look at my v7 pub I now see them again:
>
> * 6 Annunciators (ANN_2 thru ANN_7, one for each pub and sub with
> the correct IP addr)
> * 6 Conference Bridges (CFB_2 thru CFB_7, one for each pub and sub
> with the correct IP addr)
> o in addition to my hardware conference bridges
> * 6 MTPs (MTP_2 thru MTP_7, one for each pub and sub with the
> correct IP addr)
> o MTP_6 is replaced with UOGCCM106_MTP the MTP I had in my
> v4.1 cluster
>
> With each of them, the resource assigned to the pub is registered.
>
> I'm in the midst of installing one subscriber and we'll see if it
> registers as well.
>
> What do you think?
>
> Lelio Fulgenzi, B.A.
> Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1
> (519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> Cooking with unix is easy. You just sed it and forget it.
> - LFJ (with apologies to Mr. Popeil)
>
>
> ------------------------------------------------------------------------
> *From: *"Ryan Ratliff" <rratliff at cisco.com <mailto:rratliff at cisco.com>>
> *To: *"Lelio Fulgenzi" <lelio at uoguelph.ca <mailto:lelio at uoguelph.ca>>
> *Cc: *"cisco-voip voyp list" <cisco-voip at puck.nether.net
> <mailto:cisco-voip at puck.nether.net>>
> *Sent: *Tuesday, August 10, 2010 3:42:38 PM
> *Subject: *Re: [cisco-voip] is all traffic endpoint initiated?
>
> Regardless of whether IPVMSA is activated or not you should have the
> software media resources in the database already. They are added when
> you add the server to system->server and cannot be deleted.
>
> In your case see if you can add them manually in 7.x. If not go back
> and add them in 4.x and re-DMA. If you can add them in 7.x and they
> register then there should be no reason to re-run DMA.
>
> -Ryan
>
> On Aug 10, 2010, at 12:01 PM, Lelio Fulgenzi wrote:
>
> Ryan, I'm just reviewing this last note from you.
>
> I do have "Cisco IP Voice Media Streaming App" activated on the
> publisher, but I don't have any software resources configured on the
> publisher. I have hardware conference resources (6608 ports) and an
> MTP configured on another subscriber that has no dependencies.
>
> There's also the default music on hold sources but they are not being
> used.
>
> Think I should be safe? Or should I go through the upgrade/DMA again,
> deactivate IPVMSA, then change the IP addresses?
>
>
> ---
> Lelio Fulgenzi, B.A.
> Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1
> (519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> Cooking with unix is easy. You just sed it and forget it.
> - LFJ (with apologies to Mr. Popeil)
>
>
> ------------------------------------------------------------------------
> *From: *"Ryan Ratliff" <rratliff at cisco.com <mailto:rratliff at cisco.com>>
> *To: *"Lelio Fulgenzi" <lelio at uoguelph.ca <mailto:lelio at uoguelph.ca>>
> *Cc: *"cisco-voip voyp list" <cisco-voip at puck.nether.net
> <mailto:cisco-voip at puck.nether.net>>
> *Sent: *Tuesday, November 10, 2009 9:44:43 AM
> *Subject: *Re: [cisco-voip] is all traffic endpoint initiated?
>
> That is correct. Be aware that the software media resources on the
> publisher will still be trying to contact the old subscribers (based
> on cm group) if the IPVMSA service is activated before you change the
> IP addresses in the database. I would strongly recommend you make
> this change prior to activating any services.
>
> -Ryan
>
> On Nov 9, 2009, at 6:58 PM, Lelio Fulgenzi wrote:
>
> OK. So in my instance, after I go through the DMA import onto the new
> publisher hardware (with new IP address), I can edit the existing
> callmanager servers (listed as IP addresses) and replace them with the
> new/different IP addresses of the new subscribers. Then when I install
> the new subscribers, I make sure to use the IP address not the hostname.
>
> I'm essentially going from a cluster with the following:
>
> pub : 10.104.20.105
> tftp: 10.104.96.106
> sub1: 10.104.20.101
> sub2: 10.104.20.103
> sub3: 10.104.96.104
> sub4: 10.104.96.108
>
> to a cluster (all new hardware) with the following:
>
> pub : 10.104.91.105
> tftp: 10.104.91.205
> sub1: 10.104.91.103
> sub2: 10.104.91.203
> sub3: 10.104.91.104
> sub4: 10.104.91.204
>
> I'm working from the assumption that it's better to edit the servers
> than it is to delete them from the configs because of all the work
> that is involved, i.e. changing ccm groups, park numbers, etc.
>
>
>
>
> ---
> Lelio Fulgenzi, B.A.
> Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1
> (519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> "Bad grammar makes me [sic]" - Tshirt
>
>
> ----- Original Message -----
> From: "Ryan Ratliff" <rratliff at cisco.com <mailto:rratliff at cisco.com>>
> To: "Lelio Fulgenzi" <lelio at uoguelph.ca <mailto:lelio at uoguelph.ca>>
> Cc: "cisco-voip voyp list" <cisco-voip at puck.nether.net
> <mailto:cisco-voip at puck.nether.net>>
> Sent: Monday, November 9, 2009 6:43:53 PM GMT -05:00 US/Canada Eastern
> Subject: Re: [cisco-voip] is all traffic endpoint initiated?
>
> The most important point is that the value in system->server should
> always match that of the server, whether it is IP address or hostname.
> Just because you haven't configured DNS on the servers doesn't mean
> the hostname in this field will break things.
>
> -Ryan
>
> On Nov 9, 2009, at 3:48 PM, Lelio Fulgenzi wrote:
>
> Thanks Ryan. If I understand you correctly then:
>
> * if I simply change the value in the system > server fields, i
> should change them from IP address to hostname, but
> * if I delete and recreate, I can use IP addresses?
>
> I think I got that straight.
>
>
> ---
> Lelio Fulgenzi, B.A.
> Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1
> (519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> "Bad grammar makes me [sic]" - Tshirt
>
>
> ----- Original Message -----
> From: "Ryan Ratliff" <rratliff at cisco.com <mailto:rratliff at cisco.com>>
> To: "Lelio Fulgenzi" <lelio at uoguelph.ca <mailto:lelio at uoguelph.ca>>
> Cc: "cisco-voip voyp list" <cisco-voip at puck.nether.net
> <mailto:cisco-voip at puck.nether.net>>
> Sent: Monday, November 9, 2009 3:45:06 PM GMT -05:00 US/Canada Eastern
> Subject: Re: [cisco-voip] is all traffic endpoint initiated?
>
> See below...
>
> -Ryan
>
> On Nov 9, 2009, at 11:46 AM, Lelio Fulgenzi wrote:
>
> Thanks for your comments Ryan and Justin. They'll definitely help me
> build my new cluster. Some comments/questions:
>
> * Ryan: I'm a little concerned with using hostnames and not IP
> address in the System -> Server settings. Do you mean IP
> addresses don't match what's on the box on the other side? In
> the event of a DNS failure I don't want my phone system to go
> down. I understand that there will be more and more
> dependancies, but I'd like to minimize them.
>
> RR> Whenever you change the IP address of a CUCM server if the IP
> address of the server does not match the processNode entry in the
> database (System->Server) then the database won't start and bad things
> happen. With the hostname being in System->Server then the IP address
> will always match.
> My recommendation was specific to the IP address change procedure,
> just to make sure that everything comes up.
>
> * Ryan: I'm a little confused as to you what you mean by your last
> paragraph. How can I use hostnames if I haven't configured DNS?
> Won't it come back with errors?
>
> The CUCM subscribers know the publisher's IP address because you
> configure it during installation. The clustermanager serivce on each
> server is responsible for connecting and updating each server's local
> hosts file so that name resolution always works within the cluster,
> regardless of whether DNS is configured.
>
> * Justin: I would think it would be cleaner to delete and recreate
> rather than simply edit.
>
> To all:
>
> * how many are using hostnames rather than IP addresses in the
> System -> Server settings?
> * has anyone had to rename/delete a subscriber using Justin's
> suggested method?
>
> Thanks again....
>
>
>
>
> ----- Original Message -----
> From: "Ryan Ratliff" <rratliff at cisco.com <mailto:rratliff at cisco.com>>
> To: "Lelio Fulgenzi" <lelio at uoguelph.ca <mailto:lelio at uoguelph.ca>>
> Cc: "cisco-voip voyp list" <cisco-voip at puck.nether.net
> <mailto:cisco-voip at puck.nether.net>>
> Sent: Monday, October 26, 2009 10:53:19 AM GMT -05:00 US/Canada Eastern
> Subject: Re: [cisco-voip] is all traffic endpoint initiated?
>
> Don't worry about network connectivity for accessing the DMA files,
> since that's going to be during the install and no services will be
> running to either accept connections or initiate them.
>
> When changing the IP address I'd highly recommend your System->Server
> entries be hostnames and not IP addresses, since bad things happen
> when the IP address in System->Server doesn't match the one that's
> actually on the box.
>
> You are correct that you don't have to configure DNS or NTP until
> after everything is built. In fact unless you are going to have a
> DNS server on the dead network then you will cause problems by
> configuring a DNS server.
>
> Since the servers get their hosts files configured during the sub
> install as long as no DNS is configured and your System->Server
> entries are hostnames then you can leave the new servers on a live
> network (just with different IPs than the production servers). They
> won't talk to anything they can't resolve and without DNS the only
> thing they will resolve is the other nodes of the cluster. You'll
> want to watch out for multicast MOH if you do this, but otherwise it
> should be safe.
>
> The rest of your procedure looks fine, maybe a bit of overkill, but
> definitely the safe way to go.
>
> -Ryan
>
>
>
> ----- Forwarded Message -----
> From: "Justin Steinberg" <jsteinberg at gmail.com
> <mailto:jsteinberg at gmail.com>>
> To: "Lelio Fulgenzi" <lelio at uoguelph.ca <mailto:lelio at uoguelph.ca>>
> Cc: "Ryan Ratliff" <rratliff at cisco.com <mailto:rratliff at cisco.com>>,
> "cisco-voip voyp list" <cisco-voip at puck.nether.net
> <mailto:cisco-voip at puck.nether.net>>
> Sent: Monday, October 26, 2009 10:16:28 AM GMT -05:00 US/Canada Eastern
> Subject: Re: [cisco-voip] is all traffic endpoint initiated?
>
> Lelio,
>
> Are you planning to use new IP addresses for the entire cluster? if
> so, I would do install the new publisher via DMA, select to use a new
> IP address on a new isolated VLAN that doesnt have connectivity to
> your production environment. Then once the ccmadmin page is up for
> the new publisher, just go into the system>server menu and change the
> IP addresses from the current 4.1/production IPs to the new addresses
> you've allocated to the new cluster. Once you've changed the IPs
> of the subscribers, I would reboot the system and then you should be
> fine to put it on the production network.
>
> Renaming the IPs is much easier than deleting and recreated - since
> when you delete you have to rebuild all the dependencies, etc. I've
> also had problems in the past with the old server names / IPs staying
> around in some system configuration files that have required TAC
> assistance to root in and manually edit these files.
>
> Justin
>
>
> On Oct 23, 2009, at 11:08 PM, Lelio Fulgenzi wrote:
>
> Thanks Ryan,
>
> Our plan was to:
>
> 1. install the new publisher using DMA with a new IP address on a
> new VLAN
> 2. reconfigure callmanager groups so they all use the publisher and
> only the publisher
> 3. delete call park numbers on all subscribers
> 4. remove all previous subscriber information from the new publisher
> 5. start installing the new subscribers
> 6. rebuild callmanager groups and call park numbers
>
> I'm not sure how I can do that on a dead network, since the install
> process goes out and does DNS tests and NTP tests etc. Plus I need to
> access my DMA upgrade file too, right?
>
> I guess I could skip enabling DNS, NTP, etc, until just before step 5
> once I put the publisher on a live network, and perform steps 1 thru 4
> on an isolated VLAN with SFTP access to my DMA file?
>
> What do you think?
>
> ---
> Lelio Fulgenzi, B.A.
> Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1
> (519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> "Bad grammar makes me [sic]" - Tshirt
>
>
> ----- Original Message -----
> From: "Ryan Ratliff" <rratliff at cisco.com <mailto:rratliff at cisco.com>>
> To: "Lelio Fulgenzi" <lelio at uoguelph.ca <mailto:lelio at uoguelph.ca>>
> Cc: "cisco-voip voyp list" <cisco-voip at puck.nether.net
> <mailto:cisco-voip at puck.nether.net>>
> Sent: Friday, October 23, 2009 10:14:35 PM GMT -05:00 US/Canada Eastern
> Subject: Re: [cisco-voip] is all traffic endpoint initiated?
>
> The CUCM servers themselves initiate connections to each other and I
> have seen post-DMA servers initiating connections (SDL, media
> resources) to the 4.x servers because they were reachable. I'd highly
> advise keeping your post-DMA servers on a dead-net until you can get
> new IP addresses on them.
>
> -Ryan
>
> On Oct 23, 2009, at 8:53 PM, Lelio Fulgenzi wrote:
>
> We are planning on building a new 7.1 cluster using DMA. I want to
> make sure that we don't cause any service interruptions in our
> production network. Can anyone confirm that any traffic, i.e.
> registration is end point initiated? We only have SCCP and MGCP and
> SRST devices out there. There's no reason for the new cluster to try
> to talk to any of the devices out there is there?
>
> ---
> Lelio Fulgenzi, B.A.
> Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1
> (519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> "Bad grammar makes me [sic]" - Tshirt
>
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