From: XiangQu (xiangqu@cisco.com)
Date: Wed Feb 26 2003 - 06:36:52 GMT-3
At 14:21 2003-2-26 +0800, zhaozx@DigitalChina.com wrote:
>mls qos
>!
>interface fastethernet 0/10
>switchport mode trunk
>awitchport trunk native vlan 10
>switchport trunk encapsulation dot1q
>switchport voice vlan 100
>mls qos trust cos
>
>
>the 2nd one...
>
>Voice VLAN only works on a Trunk port ;-)
3550 document says Voice Vlan Port can also be a " Protected port " , this
implies voice vlan port can be an Access Port, since you can not configure
a port as Trunk port & Protected port simultaneously.
So, Both configurations are correct !
http://www.cisco.com/univercd/cc/td/doc/product/lan/c3550/12112cea/3550scg/swvoip.htm
QuXJ
>Regards,
>Hunt
>
>
>-----Original Message-----
>From: Cezar Fistik [mailto:cfistik@moldovacc.md]
>Sent: Wednesday, 26 February 2003 12:57 PM
>To: ccielab@groupstudy.com
>Subject: voice vlans correct configuration
>
>
>Hi group,
>
>Could you please, share your ideas about the following configurations. Just
>assume that an ip phone is connected to int fast 0/10 and to the phone is
>connected a pc that is supposed to be in vlan 10
>
>1.
>mls qos
>!
>interface fastethernet 0/10
>switchport mode access
>switchport access vlan 10
>switchport voice vlan 100
>mls qos trust cos
>
>2.
>mls qos
>!
>interface fastethernet 0/10
>switchport mode trunk
>switchport trunk encapsulation dot1q
>switchport voice vlan 100
>mls qos trust cos
>
>Which one do you think is correct? Or if they are both incorect I'll
>appreciate any advice.
>
>Thanks,
>Cezar Fistik
Xiangjun Qu
_____________________________________________
Network Consulting Engineer CCIE#10593 (R&S)
Advanced Service, Cisco Systems (China).
Tel : (8610) 6526 7777 ext.5180
Mobile:(86) 13801211205
E-mail: xiangqu@cisco.com
_____________________________________________
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