From: beda jain (bpjain@cisco.com)
Date: Thu Jun 26 2003 - 15:28:28 GMT-3
If you do switchport mode access in case 2, it will block all 802.1q packet.
so both the config will work fine, but in lab i will go for case 1. because
some extra line is ok.
and i will do spanning-tree port-fast trunk
Thanks,
Beda
At 12:57 PM 6/26/2003 -0500, James.Jackson@broadwing.com wrote:
>The two options look fine. As I understand it, in case 2, the port is not
>configured as a trunk however it is still able to process the 802.1Q packets
>coming from IPphone.
>
>James
>
>-----Original Message-----
>From: Cristian Henry H [mailto:chenry@reuna.cl]
>Sent: Thursday, June 26, 2003 12:48 PM
>Cc: ccielab@groupstudy.com
>Subject: Voice VLAN and data traffic with and without trunking mode
>configured
>
>
>Dear all,
>
>If the requirement is to put the voice traffic (from IP Phone) in VLAN
>101 and the data traffic (from behind IP Pone)in VLAN 102, what do you
>think about the following cases/configurations?, Do both ones the same?
>
>
>1) With 802.1q trunking mode configured
>
>interface FastEthernet0/10
> switchport trunk encapsulation dot1q
> switchport trunk native vlan 102
> switchport mode trunk
> switchport voice vlan 101
> no ip address
> spanning-tree portfast
>!
>
>2) Without 802.1q trunking mode configured
>
>interface FastEthernet0/10
> switchport access vlan 102
> switchport voice vlan 101
> spanning-tree portfast
>!
>In this 2) case, Does the port get automatically trunking mode 802.1q?,
>is necesary to add " switchport trunk encapsulation dot1q"?, and if the
>port is trunk, does the "switchport access vlan 102" works well?
>
>
>Thanks in advance.
>
>--
>Cristian E. Henry
>REUNA
>
>E-mail: chenry@reuna.cl
>Fono: 56-2-3370336
>
>
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