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Phone Trunk

bob.bartlett
Level 1
Level 1

I have a 3845 router with the NM-16ESW module in it. I have the router configured with the subinterfaces for the 3 VLANS. My phone connects, registers with CME and works fine but the workstations that are connected to the Phone go into VLAN 1 in stead of the Data VLAN i built VLAN 2.

interface FastEthernet2/7

switchport access vlan 2

switchport mode trunk

switchport voice vlan 3

mls qos trust dscp

spanning-tree portfast

Any thoughts on why???

5 Replies 5

Brandon Buffin
VIP Alumni
VIP Alumni

Remove the switchport mode trunk command.

Hope this helps. If so, please rate the post.

Brandon

That didn't work but thanks for the post. I may not have been clear enough. The phone registers and works and the pc that is connected to it trys to attach to VLAN 1 which is my Management VLAN in stead of VLAN 2 which is my DATA network.

Is the VLAN configured on the switch?

Brandon

thisisshanky
Level 11
Level 11

Bob,

NM-16ESW should be configured very similar to a 3524 switch.

int fa2/7

switchport mode trunk

switchport trunk encap dot1q

switchport voice vlan 3

switchport trunk native vlan 2

mls qos trust cos

switchport priority extend cos 0

spanning-tree portfast

HTH

Sankar Nair
UC Solutions Architect
Pacific Northwest | CDW
CCIE Collaboration #17135 Emeritus

That was the right solution I found it last night also thanks man you hit it right on it was a perfect solution