From: Scott Morris (swm@emanon.com)
Date: Fri Aug 06 2004 - 11:03:49 GMT-3
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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