From: Richard Anderson (richard.p.anderson@sbcglobal.net)
Date: Mon Aug 09 2004 - 19:10:41 GMT-3
Scott,
You didn't answer to my question.
Thanks,
Richard
----- Original Message -----
From: "Scott Morris" <swm@emanon.com>
To: "'Elliott Reyes'" <elliottreyes@adelphia.net>; "'Richard Anderson'"
<richard.p.anderson@sbcglobal.net>; <ccielab@groupstudy.com>
Sent: Friday, August 06, 2004 7:03 AM
Subject: RE: Vocie and Data VLANs
> You don't. Per RFC's we have discussed, Avaya phones use the "evil bit"
in
> their voice packets and therefore will not interoperate with Cisco
> equipment.
>
> ;)
>
> You can still use the voice vlan command, but you must use the "switchport
> mode trunk" command to create trunking. You also must manually (in boot
> file or manually on the phone) set which VLAN is used for voice traffic.
>
> HTH,
>
>
> Scott Morris, CCIE4 (R&S/ISP-Dial/Security/Service Provider) #4713, CISSP,
> JNCIP, et al.
> IPExpert CCIE Program Manager
> IPExpert Sr. Technical Instructor
> swm@emanon.com/smorris@ipexpert.net
> http://www.ipexpert.net
>
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Elliott Reyes
> Sent: Thursday, August 05, 2004 11:40 PM
> To: 'Richard Anderson'; ccielab@groupstudy.com
> Subject: RE: Vocie and Data VLANs
>
> Suppose you had avaya phones plugged in in lieu of Cisco Phones
>
> How would you configure the ports to participate in a Voice vlan then ?
>
>
>
> E
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Richard Anderson
> Sent: Thursday, August 05, 2004 2:57 PM
> To: ccielab@groupstudy.com
> Subject: Vocie and Data VLANs
>
> There are two ways to configure voice and data vlan on a switch port:
>
> interface FastEthernet0/3
> switchport trunk encapsulation dot1q
> switchport mode trunk
> switchport voice vlan 31
> no ip address
> spanning-tree portfast trunk
> -----------------------------------------------------------------------
>
> Recommended:
>
> interface fastethernet 0/3
> switchport access vlan 10
> switchport voice vlan 20
> switchport native vlan 10
> spanning-tree portfast
>
> Couple of questions:
>
> Why 2nd choice is recommended?
> Why native vlan has to be changed from VLAN 1 to VLAN 10
>
> Thanks,
>
> Richard
>
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