I have a stubborn 7936 conference station that won't pick up the pages
from a dn that is sending the pages to a multicast address.  This is
using a CME setup.  The phones at the site and the conference station
are on the same switch and the phones pick up the pages, so it doesn't
appear to be a multicasting issue.  I've added the paging-dn line to the
7936's ephone config exactly as it is on all the other phones in the
office, yet they work and it doesn't.  Everything else on the 7936 seems
to be ok... inside and outside phone calls, registration with the CME,
etc.  Just to be sure it wasn't hardware, we've swapped out the 7936,
but still no joy in Mudville.  Any ideas as to what might be amiss would
be greatly appreciated.

 

Thanks,

John

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what phone load on the 7936?
does it show as being offhook and receiving mcast on the LCD?
are you trunking to the phone or using hardcoding access vlan = voice  
vlan?
in a packet capture do you see the 7936 send out an mcast join?

/Wes

On Jun 28, 2006, at 8:56 PM, Lyon, John R. wrote:

I have a stubborn 7936 conference station that won’t pick up the  
pages from a dn that is sending the pages to a multicast address.   
This is using a CME setup.  The phones at the site and the conference  
station are on the same switch and the phones pick up the pages, so  
it doesn’t appear to be a multicasting issue.  I’ve added the paging- 
dn line to the 7936’s ephone config exactly as it is on all the other  
phones in the office, yet they work and it doesn’t.  Everything else  
on the 7936 seems to be ok… inside and outside phone calls,  
registration with the CME, etc.  Just to be sure it wasn’t hardware,  
we’ve swapped out the 7936, but still no joy in Mudville.  Any ideas  
as to what might be amiss would be greatly appreciated.



Thanks,

John

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cisco-voip@puck.nether.net
https://puck.nether.net/mailman/listinfo/cisco-voip

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Phone load is cmterm_7936.3-3-5-0

LCD on the phone doesn't change when a page is sent from another phone.

Switchport config matches all the other phone ports:

 

interface FastEthernet0/19

switchport trunk native vlan 12

switchport mode trunk

switchport voice vlan 13

mls qos trust cos

spanning-tree portfast

 

Don't really have the means to do a packet capture at the site.  Is
there a debug on the switch or CME that I can run to get the multicast
info?

 

--John

________________________________

From: Wes Sisk [mailto:wsisk@cisco.com] 
Sent: Wednesday, June 28, 2006 9:07 PM
To: Lyon, John R.
Cc: cisco-voip@puck.nether.net
Subject: Re: [cisco-voip] Paging on a 7936

 

what phone load on the 7936?

does it show as being offhook and receiving mcast on the LCD?

are you trunking to the phone or using hardcoding access vlan = voice
vlan?

in a packet capture do you see the 7936 send out an mcast join?

 

/Wes

 

On Jun 28, 2006, at 8:56 PM, Lyon, John R. wrote:

 

I have a stubborn 7936 conference station that won't pick up the pages
from a dn that is sending the pages to a multicast address.  This is
using a CME setup.  The phones at the site and the conference station
are on the same switch and the phones pick up the pages, so it doesn't
appear to be a multicasting issue.  I've added the paging-dn line to the
7936's ephone config exactly as it is on all the other phones in the
office, yet they work and it doesn't.  Everything else on the 7936 seems
to be ok... inside and outside phone calls, registration with the CME,
etc.  Just to be sure it wasn't hardware, we've swapped out the 7936,
but still no joy in Mudville.  Any ideas as to what might be amiss would
be greatly appreciated.

 

Thanks,

John

 ________________________________________
_______

cisco-voip mailing list

cisco-voip@puck.nether.net

https://puck.nether.net/mailman/listinfo/cisco-voip

 

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and these are the same vlans other phones are using?
can you force it to access only port and set the access vlan to be  
the voice vlan just to confirm?

does this phone have a shared line to the line that is initiating the  
page?

/Wes
On Jun 28, 2006, at 9:30 PM, Lyon, John R. wrote:

Phone load is cmterm_7936.3-3-5-0

LCD on the phone doesn’t change when a page is sent from another phone.

Switchport config matches all the other phone ports:



interface FastEthernet0/19

switchport trunk native vlan 12

switchport mode trunk

switchport voice vlan 13

mls qos trust cos

spanning-tree portfast



Don’t really have the means to do a packet capture at the site.  Is  
there a debug on the switch or CME that I can run to get the  
multicast info?



--John

From: Wes Sisk [mailto:wsisk@cisco.com]
Sent: Wednesday, June 28, 2006 9:07 PM
To: Lyon, John R.
Cc: cisco-voip@puck.nether.net
Subject: Re: [cisco-voip] Paging on a 7936



what phone load on the 7936?

does it show as being offhook and receiving mcast on the LCD?

are you trunking to the phone or using hardcoding access vlan = voice  
vlan?

in a packet capture do you see the 7936 send out an mcast join?



/Wes



On Jun 28, 2006, at 8:56 PM, Lyon, John R. wrote:



I have a stubborn 7936 conference station that won’t pick up the  
pages from a dn that is sending the pages to a multicast address.   
This is using a CME setup.  The phones at the site and the conference  
station are on the same switch and the phones pick up the pages, so  
it doesn’t appear to be a multicasting issue.  I’ve added the paging- 
dn line to the 7936’s ephone config exactly as it is on all the other  
phones in the office, yet they work and it doesn’t.  Everything else  
on the 7936 seems to be ok… inside and outside phone calls,  
registration with the CME, etc.  Just to be sure it wasn’t hardware,  
we’ve swapped out the 7936, but still no joy in Mudville.  Any ideas  
as to what might be amiss would be greatly appreciated.



Thanks,

John

 ________________________________________
_______

cisco-voip mailing list

cisco-voip@puck.nether.net

https://puck.nether.net/mailman/listinfo/cisco-voip

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