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OK. Let´s take a look at our next task 15.9
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Skinny CME Server Redundancy, now this is only
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for the skinny server again there´s a lot of task
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so a lot of features really I should say that
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are not supported with the SIP side of CME yet
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it has a little ways to fully mature and
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become as functional as the skinny side has had
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almost 10 years to do so. So we´re told to ensure
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that for some reason the Branch2 Router 3
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skinny CME server would have fail, that the Branch1
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Router2 would take over all operations for the
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skinny IP phones using its loop back0 interface.
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Do not use HSRP to accomplish this task.
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And simply shut down the Branch2 Router3
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loopback interface to test, don´t remove telefany service.
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So the old way of having redundancy with CME was with HSRP
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and that´s still certainly one way that you can do things.
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You have to manually keep the configuration sync
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and we´re still going to do a manual configuration sync of the
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configurations between R3 and R2. Right now the only common
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subnet that we have between those as the serial WAN link
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0:01:33
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is we don´t have 2 Routers on the same LAN.
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0:01:37
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So HSRP really doesn´t become too much of a valid option there,
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in order to fail one, we´d also fail our WAN link over to
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Router 2 Branch 1. OK, so what we are going to do
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is do show run, type2 section telefany
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and we´re going to take, let´s just clear this off
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We´re going to take our configuration, actually
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let´s clear it off and let´s do instead of type2 section telefany,
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let´s type2 begin telefany.
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because we´re going to grab all of our skinny server configuration
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off of here and actually we´re going to make one change first.
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So telefany service, we´re already in here
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we´re going to change the IP source address to not only itself
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but before the port we´re going to add a secondary IP address
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and the secondary IP address is going to be
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0:02:43
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177.1.254.2 which is the loopback of Branch1 Router2
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OK? And then we´re going to say strict match
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OK, updates complete for the CNF files
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just to be sure let´s do, no create CNF and create CNF.
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0:03:13
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You shouldn´t have to but then again for the phone files
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0:03:17
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since we saw a need to earlier, clear off everything
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0:03:22
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and do show run type2 begin with telefany.
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0:03:30
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and we´re going to scroll up and we´re going to copy
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0:03:34
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everything that we have that pertains to the skinny server.
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0:03:41
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We´re going to open a new window here.
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and paste everything in here and then we´re going to change
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is the IP address, the primary being 2 and the secondary being 3
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and we´re going to copy and paste all of these over to Router2.
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0:04:20
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OK, we see everything coming up and assign
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0:04:23
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we´re going to go back to telefany, do show telefany
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0:04:31
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service TFTP.
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0:04:34
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We do see those created, we´re going to do a no create CNF
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0:04:37
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and a create CNF again just to be sure
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0:04:42
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that everything gets created in the proper order.
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0:04:45
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Alright, make sure we have term on on.
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0:04:49
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Yes, we do. We´ll write this rather configuration
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0:04:53
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we´re going to go back to our Router 3
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we´re going to go to ephone1 and restart it
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0:05:00
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and ephone2 and restart it.
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0:05:04
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So that those phones get the new configuration
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0:05:06
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file that has the secondary IP address.
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0:05:10
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And then we´re going to go to interface loop back0
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0:05:13
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now that those phones have registered and we´re simply going to say.
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0:05:19
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OK, let´s go ahead and clear all this off
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0:05:21
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to do show run type2 begin telefany, you´re on Branch1 Router2.
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0:05:31
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OK, everything looks good, we´ll clear off everything
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0:05:34
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termon is on and here on the loop back interface of Router3
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0:05:38
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we´re just going to shut it and our phones, if we try to go off hook
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0:05:46
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certainly shouldn´t allow it
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0:05:52
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They kind of just sit there and don´t do anything, once restarting
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0:05:58
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and here they have both restarted.
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0:06:04
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They can call each other, you can hear they can call each other
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even if the display hasn´t updated yet.
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0:06:10
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So let´s give that a chance to update and let´s go and look
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over at Router2 where 2 phones have just registered
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0:06:17
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show ephone 7961, we´ve got both phones registered.
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0:06:26
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including up to preferred codec unknown, if we´re back over here
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0:06:33
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do show, we see the voice register pool unregistered
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0:06:38
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because it was also the SIP phone also homed
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0:06:41
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to that loop back, do show ephone 7961.
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0:06:48
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One is deceased, one still shows up as registered.
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0:06:52
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Here´s the one that is abnormal unregister
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0:06:57
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OK, the Bravo Alpha Alpha Echo, it shows a deceased
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0:07:01
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the other one hasn´t unregistered yet, it´s just at the time out
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0:07:04
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that it´s expecting a key, it hasn´t timed out yet
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0:07:07
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but in just a second we´ll see that it´s there you go.
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0:07:10
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Now it´s an abnormal unregister, they both shows deceased
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0:07:16
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They´re both registered over here,
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0:07:19
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I know why these aren´t going to update.
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0:07:22
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because of course they´re pointing to the wrong location.
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0:07:25
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in fact if I wanted them to show up
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0:07:29
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I would have to do show run type 2 include
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0:07:34
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actually let´s do section for IXI and also HTP.
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0:07:46
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Alright, actually one thing would have to change over here
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0:07:50
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show run type2 section telefany, this would need to change
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0:08:03
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and the authentication you need will be 2
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0:08:13
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my terminal client is trying to be smart and open a web browser
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0:08:20
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instead of allowing me to make no create, CNF creates CNF.
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0:08:36
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Bring the AXL up over here
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0:08:40
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and tell the HTP server to be brought up
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0:08:46
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ephone 1 restart, ephone2 restart
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0:08:59
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and now tell this to point over.
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0:09:13
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and we see that point over to the other
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0:09:16
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server, I´m just going to tell one of them to point over
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0:09:23
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Now, I can do both I suppose.
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0:09:39
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They´re timed out because they´re rstarting at the moment, that´s why
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0:09:53
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and they´re taking a little bit longer to reregister because they´re
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0:09:55
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trying their primary server server first
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0:09:58
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but they´re ultimately going to try their secondary server.
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0:10:44
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Well, even if I don´t get the remote phone control to show up
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0:10:50
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for some reason they´re timing out their connection, let´see
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0:11:19
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Well for some reason they´re timing out the connection
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0:11:22
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but even with the show ephone registered or show ephone 7961
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0:11:26
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we do see that they´re registered to Branch1.
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0:11:28
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They are obviously able to call each other.
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0:11:35
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Here we see an active call, everything is good.
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0:11:39
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So we´re going to go ahead and no shut this loop back interface
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0:11:45
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over here on Router3 and we´re going to here on Branch1
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0:11:53
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just do a ephone 1 restart. We probably wouldn´t have
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0:11:58
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to do this, we could just wait until the time out.
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0:12:03
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But just to kind of get them, a little bit of a push
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0:12:08
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we´ll do this and the phones register back to
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0:12:13
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Branch2 Router3, so let´s do show ephone
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0:12:17
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registered, we see none. Show ephone 7961
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0:12:21
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they´re both unregistered back here.
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0:12:26
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on Branch2 Router3 if we do a show ephone registered
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0:12:34
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so let´s do ephone 7961, they´re back registered over here on Branch2.
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0:13:11
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And we´ve got the control of this coming back up
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0:13:14
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