[cisco-voip] 9971 Load sip9971.9-3-1-33 and voice vlan

[Garrett Skjelstad]

What is the switch IOS revision?

Sent from my iPhone

On Sep 30, 2012, at 22:00, "Erick B." <erickbee at gmail.com> wrote:

> Hmm. Interesting.
> 
> Have you tried this with a 7900 series phone for comparison?
> What model power injector?
> 
> Try doing a packet capture on both sides of injector and see if the
> VLAN headers are being stripped of injector is rewriting packet and
> not just adding PoE.
> 
> I don't have any PoE injectors handy else would try on 9971s we use.
> We use ours on Wifi w/power cubes if PoE not available.
> 
> 
> On Thu, Sep 27, 2012 at 4:56 PM, Jason Aarons (AM)
> <jason.aarons at dimensiondata.com> wrote:
>> So, we discovered that if you power up a 9971 with external power (injector)
>> and connect it to the switching, it doesn’t honor the Cisco voice VLAN, and
>> jumps on the “access vlan” of the port instead.  Meaning, it does a DHCP and
>> gets our standard user data network of 10.20.164.0/23 instead of the
>> endpoint segment of 10.20.170.0/24
>> 
>> 
>> The switch still identifies the phone as a Cisco IP Phone:
>> 
>> 
>> Sep 27 14:54:36 MDT: %SWITCH_QOS_TB-5-TRUST_DEVICE_DETECTED: cisco-phone
>> detected on port Gi1/0/9, port's configured trust state is now operational.
>> 
>> 
>> However, if you let it draw PoE, it boots normally and places the phone on
>> the voice VLAN and the PC on the data VLAN.
>> 
>> 
>> 
>> Is there something misconfigured in the switching?  Why would the phone not
>> jump on the voice VLAN regardless of power source?
>> 
>> 
>> 
>> Phone load is sip9971.9-3-1-33
> 
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