[cisco-voip] Phones not Registering on CME

[Changkyun Chang]

I had a similar experience for my office. some of the IP phones (7961) 
received the data vlan ip address(vlan 103 in this case) instead of 
voice vlan (vlan 223). during the troubleshooting I found the CPU 
utilization of my switch was almost 98%. the packet was flooded within 
the voice vlan.


On 2009-12-30 ?? 4:28, :
>
> Try factory reset, If phones will still stuck, It must be DHCP 
> considerations or maybe you are missing vlan on second layer ( check 
> vlan database ).
>
> Marcin
>
> *From:* cisco-voip-bounces at puck.nether.net 
> [mailto:cisco-voip-bounces at puck.nether.net] *On Behalf Of *Jeff Garvas
> *Sent:* Wednesday, December 30, 2009 4:51 AM
> *To:* Kim, Hyoun S
> *Cc:* cisco-voip at puck.nether.net
> *Subject:* Re: [cisco-voip] Phones not Registering on CME
>
> It sounds to me like your phones are in the wrong vlan, thus getting 
> the wrong IP address and quite possible the wrong or no option 150 
> information?
>
> If your end users go into the phone settings what Voice/Data vlan is 
> it claiming to have?  Could it be pointing to something other than the 
> CME you think its hitting?   Find out from the phone itself which CM / 
> tftp / dhcp server its communicating with.
>
> If the phone is stuck in configuring IP I'd question what the phone is 
> learning from DHCP, which may be controlled by the vlan and any 
> respective helper addresses.
>
> -Jeff
>
>
> On Tue, Dec 29, 2009 at 6:31 PM, Kim, Hyoun S 
> <Hyoun.Kim at chartercom.com <mailto:Hyoun.Kim at chartercom.com>> wrote:
>
> I get a call from some users at a remote site who are finally 
> connecting the last series of phones to the CME I set up months ago.  
> They said that only 1 of the 4 phones are working.
>
> The 3 phones (all 7962s) are stuck in the "Configuring IP" state and 
> will not do anything else.  I've double-checked my configuration and I 
> have correctly provisioned all the phones & their MAC addresses in the 
> configuration.
>
> Digging deeper, it seems that the 3 phones that are not getting the 
> correct IP address.  I set up the DHCP pool to be 10.10.10.X/24.  All 
> the functioning phones are obtaining the proper IP addresses but the 3 
> non-functioning phones are getting a 10.10.3.xxx address (so the user 
> tells me).  Doing a show cdp neighbor details command on the ports 
> show that there are no IP addresses associated with those ports.  
> Furthermore, the Version of phone shows up as "79XX_default_load" 
> rather than "SCCP42.8-3-2S" on all the other functioning phones.  The 
> port configurations are identical on all ports.
>
> Do you guys have any ideas?  I'm using SCCP for my phone system.  My 
> CME version is 7.1.
>
> 2C_CharLogo_Tag_CMYK
>
> ------------------------------------------------------------------------
>
> *Hyoun Kim** .** *Network Administrator I -- East Division
>
> 640 Broadmor Blvd *. *Suite 80 *. *Murfreesboro, TN 37129
>
> ' 615.217.6245 *. *' 859.312.6941 *.* 7 615.217.6255 *. ** 
> Hyoun.Kim at chartercom.com <mailto:Hyoun.Kim at chartercom.com>
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