[cisco-voip] Simple VOIP question: Switch related

[Mike Brooks]

I believe I have seen this issue before when not using CDPv2

hth,

Mike Brooks
CCIE#16027 (R&S)

On 7/22/08, Gheorghe PLETEA <Gheorghe.PLETEA at team.telstraclear.co.nz> wrote:
>
> The way that I configured the interfaces is :
>
>
>
>
> switchport mode access
>
> switchport voice vlan 2
>
> switchport access vlan 3          ; Data VLAN
>
> Please try this configuration on the switch, and clean the phone config with
> "Erase Configuration" on the     Setings -> Network Configuration .
>
> After that let me know if it was solved or not.
>
> George
>
>
>
> ________________________________
> From: cisco-voip-bounces at puck.nether.net
> [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of
> Jeff Cartier
> Sent: Wednesday, 23 July 2008 05:01
> To: cisco-voip at puck.nether.net
> Subject: [cisco-voip] Simple VOIP question: Switch related
>
>
>
>
>
>
> I'm having the worst time trying to figure out a problem.
>
>
>
> The issue is that a 7912 phone seems to be getting an IP address in the data
> subnet.  We've tried two configurations on the switchport level and neither
> are working…
>
>
>
> Interface fa0/1
>
> switchport mode access
>
> switchport voice vlan 2
>
> srr-queue bandwidth share 10 10 60 20
>
> priority-queue out
>
> mls qos trust cos
>
> auto qos voip trust
>
> spanning-tree portfast
>
>
>
> AND/OR
>
>
>
> Interface fa0/1
>
> Switchport mode trunk
>
> switchport trunk encapsulation dot1q
>
> switchport voice vlan 2
>
> srr-queue bandwidth share 10 10 60 20
>
> priority-queue out
>
> mls qos trust cos
>
> auto qos voip trust
>
> spanning-tree portfast
>
>
>
> And yet the phone keeps receiving an IP address in the data subnet.
>
>
>
> We've verified the following:
> - helper-address on the router
>
> - correct DHCP scope
>
>
>
>
>
>
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