Voice VLAN Help Please

My customer has 2 SG300-52P and 5 SG300-28P. We installed a VoIP phone system earlier this year. At the time of install we placed the phone system on the native VLAN 1. Now they want to move the phone system to a new VLAN because their class C subnet is running out of addresses. DHCP is handled by their Active Directory and their router/firewall is an Untangle Box. The SG300 switches have a basic configuration only.
To move the phone system to a new VLAN I created VLAN 20 on every switch. I then turned Auto Voice VLAN on. I have every port on every switch set to trunk. Computers are plugged into back of phones. I then created a virtual interface on the Untangle Box for VLAN 20. The Untangle Box is also handling DHCP for the new VLAN. Active Directory is still handling DHCP for native VLAN.
From each switch I can ping the gateway of the new VLAN. From each computer I can ping the gateway and the phone system on the new VLAN. However, the phones will not grab an address on the VLAN and when they are set to static, they cannot communicate with other devices on the VLAN.
Any help would be highly appreciated. I am not sure what I am overlooking.

Here is an example of part of a working switch config with Zultys phones where voice VLAN is 100 and data VLAN is 10:
vlan database
vlan 10,20,100
exit
voice vlan id 100
interface fastethernet1
description "RCP and Voice"
switchport trunk allowed vlan add 100
switchport trunk native vlan 10
interface fastethernet2
description "RCP and Voice"
switchport trunk allowed vlan add 100
switchport trunk native vlan 10
In your case you need a trunk port with VLAN 20 tagged on your firewall (or an access port to a separate physical port on VLAN 20. The default gateway served to the phone (or put there statically) should be the interface on the IP. Then you may also want to allow inter-vlan routing for admin access or MXIE if you are using it.
One thing to note on Zultys is by default I think the device profile disables LLDP, but on the phones it is enabled out of the box. So the first time a phone downloads its config from the Zultys it may turn of LLDP unless you checked the box to keep it on.

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I've purchased 10 Cisco Aironet 2600 AP’s (AIR-SAP2602I-E-K9 standalone rather than controller based).
I’ve configured the WAP’s (or the first WAP I’m going to configure and then pull the configuration from and push to the others) with 2 SSID’s. One providing access to our DATA VLAN (1000 – which I’ve set as native on the WAP) and one providing access to guest VLAN (1234). I’ve configured the connecting DELL switchport as a trunk and set the native VLAN to 1000 (DATA) and allowed trunk traffic for VLAN’s 1000 and 1234. Everything works fine, when connecting to the DATA SSID you get a DATA IP and when you connect to the GUEST SSID you lease a GUEST IP.
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User Access Verification
Username: admin
Password:
LATHQWAP01#show run
Building configuration...
Current configuration : 3621 bytes
! Last configuration change at 02:37:59 UTC Mon Mar 1 1993 by admin
version 15.2
no service pad
service timestamps debug datetime msec
service timestamps log datetime msec
service password-encryption
hostname LATHQWAP01
logging rate-limit console 9
aaa new-model
aaa authentication login default local
aaa authorization exec default local
aaa session-id common
no ip routing
dot11 syslog
dot11 vlan-name Data vlan 1000
dot11 vlan-name Guest vlan 1234
dot11 ssid LatitudeCorp
   vlan 1000
   authentication open
   authentication key-management wpa version 2
   wpa-psk ascii
dot11 ssid LatitudeGuest
   vlan 1234
   authentication open
   authentication key-management wpa version 2
   guest-mode
   wpa-psk ascii
crypto pki token default removal timeout 0
username admin privilege 15 password!
class-map match-all _class_Lync0
match ip dscp cs5
policy-map Lync
class _class_Lync0
set cos 6
bridge irb
interface Dot11Radio0
no ip address
no ip route-cache
encryption vlan 1234 mode ciphers aes-ccm
encryption vlan 1000 mode ciphers aes-ccm
ssid LatitudeCorp
ssid LatitudeGuest
antenna gain 0
stbc
station-role root
interface Dot11Radio0.1000
encapsulation dot1Q 1000 native
no ip route-cache
bridge-group 1
bridge-group 1 subscriber-loop-control
bridge-group 1 spanning-disabled
bridge-group 1 block-unknown-source
no bridge-group 1 source-learning
no bridge-group 1 unicast-flooding
interface Dot11Radio0.1234
encapsulation dot1Q 1234
no ip route-cache
bridge-group 255
bridge-group 255 subscriber-loop-control
bridge-group 255 spanning-disabled
bridge-group 255 block-unknown-source
no bridge-group 255 source-learning
no bridge-group 255 unicast-flooding
service-policy input Lync
service-policy output Lync
interface Dot11Radio1
no ip address
no ip route-cache
encryption vlan 1234 mode ciphers aes-ccm
encryption vlan 1000 mode ciphers aes-ccm
ssid LatitudeCorp
ssid LatitudeGuest
antenna gain 0
no dfs band block
stbc
channel dfs
station-role root
interface Dot11Radio1.1000
encapsulation dot1Q 1000 native
no ip route-cache
bridge-group 1
bridge-group 1 subscriber-loop-control
bridge-group 1 spanning-disabled
bridge-group 1 block-unknown-source
no bridge-group 1 source-learning
no bridge-group 1 unicast-flooding
interface Dot11Radio1.1234
encapsulation dot1Q 1234
no ip route-cache
bridge-group 255
bridge-group 255 subscriber-loop-control
bridge-group 255 spanning-disabled
bridge-group 255 block-unknown-source
no bridge-group 255 source-learning
no bridge-group 255 unicast-flooding
service-policy input Lync
service-policy output Lync
interface GigabitEthernet0
no ip address
no ip route-cache
duplex auto
speed auto
interface GigabitEthernet0.1000
encapsulation dot1Q 1000 native
no ip route-cache
bridge-group 1
bridge-group 1 spanning-disabled
no bridge-group 1 source-learning
interface GigabitEthernet0.1234
encapsulation dot1Q 1234
no ip route-cache
bridge-group 255
bridge-group 255 spanning-disabled
no bridge-group 255 source-learning
service-policy input Lync
service-policy output Lync
interface BVI1
ip address 10.10.1.190 255.255.254.0
no ip route-cache
ip default-gateway 10.10.1.202
ip http server
ip http authentication aaa
no ip http secure-server
ip http help-path http://www.cisco.com/warp/public/779/smbiz/prodconfig/help/eag
bridge 1 route ip
line con 0
line vty 0 4
transport input all
end
LATHQWAP01#conf
Configuring from terminal, memory, or network [terminal]? t
Enter configuration commands, one per line. End with CNTL/Z.
LATHQWAP01(config)#int dot11radio1.1000
LATHQWAP01(config-subif)#ser
LATHQWAP01(config-subif)#service-policy in
LATHQWAP01(config-subif)#service-policy input Lync
set cos is not supported on native vlan interface
LATHQWAP01(config-subif)#

Hey Scott,
Thank you (again) for your assistance.
So I' ve done as instructed and reconfigured the WAP. I've added an additional VLAN (1200 our VOIP VLAN) and made this the native VLAN - so 1000 and 1234 are now tagged. I've configure the BVI interface with a VOIP IP address for management and can connect quite happily. I've configured the connecting Dell switchport as a trunk and to allow trunk vlans 1000 (my DATA SSID), 1200(native) and 1234 (MY GUEST SSID). I'm now back to the issue where when a wireless client attempts to connect to either of my SSID's (Guest or DATA) they are not getting a IP address / cannot connect.
Any ideas guys? Forgive my ignorance - this is a learning curve and one i'm enjoying.
LATHQWAP01#show run
Building configuration...
Current configuration : 4426 bytes
! Last configuration change at 20:33:19 UTC Mon Mar 1 1993 by Cisco
version 15.3
no service pad
service timestamps debug datetime msec
service timestamps log datetime msec
service password-encryption
hostname LATHQWAP01
logging rate-limit console 9
enable secret 5
no aaa new-model
no ip source-route
no ip cef
dot11 syslog
dot11 vlan-name DATA vlan 1000
dot11 vlan-name GUEST vlan 1234
dot11 vlan-name VOICE vlan 1200
dot11 ssid LatitudeCorp
   vlan 1000
   authentication open
   authentication key-management wpa version 2
   mobility network-id 1000
   wpa-psk ascii
dot11 ssid LatitudeGuest
   vlan 1234
   authentication open
   authentication key-management wpa version 2
   mbssid guest-mode
   mobility network-id 1234
   wpa-psk ascii
   no ids mfp client
dot11 phone
username CISCO password
class-map match-all _class_Lync0
match ip dscp cs5
policy-map Lync
class _class_Lync0
set cos 6
bridge irb
interface Dot11Radio0
no ip address
encryption vlan 1000 mode ciphers aes-ccm
encryption vlan 1234 mode ciphers aes-ccm
ssid LatitudeCorp
ssid LatitudeGuest
antenna gain 0
stbc
mbssid
station-role root
interface Dot11Radio0.1000
encapsulation dot1Q 1000
bridge-group 255
bridge-group 255 subscriber-loop-control
bridge-group 255 spanning-disabled
bridge-group 255 block-unknown-source
no bridge-group 255 source-learning
no bridge-group 255 unicast-flooding
service-policy input Lync
service-policy output Lync
interface Dot11Radio0.1200
encapsulation dot1Q 1200 native
bridge-group 1
bridge-group 1 subscriber-loop-control
bridge-group 1 spanning-disabled
bridge-group 1 block-unknown-source
no bridge-group 1 source-learning
no bridge-group 1 unicast-flooding
interface Dot11Radio0.1234
encapsulation dot1Q 1234
bridge-group 254
bridge-group 254 subscriber-loop-control
bridge-group 254 spanning-disabled
bridge-group 254 block-unknown-source
no bridge-group 254 source-learning
no bridge-group 254 unicast-flooding
service-policy input Lync
service-policy output Lync
interface Dot11Radio1
no ip address
encryption vlan 1000 mode ciphers aes-ccm
encryption vlan 1234 mode ciphers aes-ccm
ssid LatitudeCorp
ssid LatitudeGuest
antenna gain 0
peakdetect
no dfs band block
stbc
mbssid
channel dfs
station-role root
interface Dot11Radio1.1000
encapsulation dot1Q 1000
bridge-group 255
bridge-group 255 subscriber-loop-control
bridge-group 255 spanning-disabled
bridge-group 255 block-unknown-source
no bridge-group 255 source-learning
no bridge-group 255 unicast-flooding
service-policy input Lync
service-policy output Lync
interface Dot11Radio1.1200
encapsulation dot1Q 1200 native
bridge-group 1
bridge-group 1 subscriber-loop-control
bridge-group 1 spanning-disabled
bridge-group 1 block-unknown-source
no bridge-group 1 source-learning
no bridge-group 1 unicast-flooding
interface Dot11Radio1.1234
encapsulation dot1Q 1234
bridge-group 254
bridge-group 254 subscriber-loop-control
bridge-group 254 spanning-disabled
bridge-group 254 block-unknown-source
no bridge-group 254 source-learning
no bridge-group 254 unicast-flooding
service-policy input Lync
service-policy output Lync
interface GigabitEthernet0
no ip address
duplex full
speed auto
interface GigabitEthernet0.1000
encapsulation dot1Q 1000
bridge-group 255
bridge-group 255 spanning-disabled
no bridge-group 255 source-learning
service-policy input Lync
service-policy output Lync
interface GigabitEthernet0.1200
encapsulation dot1Q 1200 native
bridge-group 1
bridge-group 1 spanning-disabled
no bridge-group 1 source-learning
interface GigabitEthernet0.1234
encapsulation dot1Q 1234
bridge-group 254
bridge-group 254 spanning-disabled
no bridge-group 254 source-learning
service-policy input Lync
service-policy output Lync
interface BVI1
mac-address 881d.fc46.c865
ip address 10.10. 255.255.254.0
ip default-gateway 10.10.
ip forward-protocol nd
ip http server
no ip http secure-server
ip http help-path http://www.cisco.com/warp/public/779/smbiz/prodconfig/help/eag
bridge 1 route ip
line con 0
line vty 0 4
login local
transport input all
sntp server ntp2c.mcc.ac.uk
sntp broadcast client
end
LATHQWAP01#

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I HAVE 3560 Switch, Over that two vlan configure Data & Voice respectively. Voice id Vlan 1 and Data Id Vlan 2.Routing is done on this switch and work as L3
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Switch Port configure fr both Vlan ( Switchport access vlan 2 , Switchport voice vlan 1, Switchport mode access)
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On my last install I decided to try to change the default vlan 1 to vlan 10 and go with 10 for data and 100 for voice. The problem I ran into was that the auto generated config on my phone switchports still use vlan 1 as native vlan. I am trying to find a way to still use auto vlan and get the desired native vlan without having to make manual config changes.
Should this be possible?
Thanks in advance.

Hi Brandon, you need to modify the macro from native vlan 1 to vlan 10.
Check out this topic how to modify the macro
https://supportforums.cisco.com/thread/2177613
-Tom
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Voice VLAN Help Please

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