[cisco-voip] Anyone using the Cisco 300 Series switches? Unable to get Auto Voice VLAN to work

Tue May 20 14:40:58 EDT 2014

I've used these at home and got them to work in the lab. I think I had to define LLDP profiles for the specific phones I was using as voice OUIs or some such.  Been a while. I can try to grab a config and check if that would be helpful.
-c

Sent from  my iPhone

> On May 20, 2014, at 13:45, Jeffrey Girard <jeffrey.girard at girardinc.com> wrote:
> 
> Yes, VLAN 30 is a regular VLAN.  You can make it a voice vlan unless its already created as a regular vlan
>  
> ------------------------------------------------------------------------------------
>  
> From: bmeade90 at gmail.com [mailto:bmeade90 at gmail.com] On Behalf Of Brian Meade
> Sent: Tuesday, May 20, 2014 1:44 PM
> To: Jeffrey Girard
> Cc: Cisco VOIP (cisco-voip at puck.nether.net)
> Subject: Re: [cisco-voip] Anyone using the Cisco 300 Series switches? Unable to get Auto Voice VLAN to work
>  
> Do you have VLAN 30 defined under VLAN Management or just under the Voice VLAN section?  Make sure it's added as a regular VLAN first.
>  
> 
> On Tue, May 20, 2014 at 1:14 PM, Jeffrey Girard <jeffrey.girard at girardinc.com> wrote:
> Im playing with a SG300-10MP in a lab for a potential client purchase.
>  
> I am unable to get the Auto Voice VLAN function to work correctly.
>  
> I have set the “user ports” as untagged for VLAN 20 (data vlan)
>  
> Under VLAN Management -> Voice VLAN -> Properties, I have defined VLAN 30 as the voice vlan and enabled the auto voice vlan with activation immediate.  CDP and LLDP are all configured (defaults).  Smartport features are all defaults.
>  
> I have connected two IP Phones – a 7941 and and a 7940.  Both draw an IP address from the attached router (port 9 on the switch is configured as a trunk up to a router running DHCP) – but an IP address out of the data VLAN.  As they don’t get an Option 150 address, they don’t register.
>  
> When I look at the Smartport Interface settings for ports 7 and 8, it indicates Smartport Application Method is disabled as the Smartport Type is Unknown.
>  
> I also attached a regular laptop to Port 5 on the switch.  It drew a data vlan IP address and it too showed up as Smartport Type Unknown
>  
> So, I ran the diagnostics on the two ports to which the IP phones were attached.  The macro is failing at the line
>  
> “smartport switchport trunk allowed vlan add $voice-vlan”
>  
> So, this makes sense to me.  The macro is not applying the voice vlan to the switchport, hence the phone is not getting the correct vlan and thus not getting the correct dhcp scope and tftp service IP address.
>  
> So, the question is, why is the macro failing?
>  
> I go back to the Voice Vlan properties page and confirm that I have 30 set for the voice vlan and that I have applied the change.  The page shows that the operational status of the voice vlan is 30.
>  
> Anyone run into this or have any suggestions?
>  
> ------------------------------------------------------------------------------------
> Dr. Jeffrey T. Girard (Jeff), PhD
> Colonel, United States Army (Retired)
> Senior Network Engineer / VoIP Engineer - WireMeHappy.com
> reply to: jeffrey.girard at wiremehappy.com
> (607)835-0406 (home office)
> (845)764-1661 (mobile)
> (607)835-0458 (fax)
> 
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