From: David zhao (zhaobaolong@boco.com.cn)
Date: Wed Jul 23 2003 - 22:43:42 GMT-3
hi
I have the same trouble about 3550.can you give the answer in detail and the explanation.
thanks a lot for your reply .
----- Original Message -----
From: "MMoniz" <ccie2002@tampabay.rr.com>
To: <wwwjjang@chol.com>; <ccielab@groupstudy.com>
Sent: Thursday, July 24, 2003 9:23 AM
Subject: RE: Cat3550's Voice Vlan Question..
> OK, the 3550 is different than the 3524. Since the 3550 are in the Lab what
> a working answer is below. I verified this with Call manager and a Laptop
> connected to
> phone.
>
> interface FastEthernet0/12
> switchport access vlan 21
> switchport voice vlan 20
> no ip address
> spanning-tree portfast
>
>
>
>
> VDL-CAT#sho int fa0/12 switch
> Name: Fa0/12
> Switchport: Enabled
> Administrative Mode: dynamic desirable
> Operational Mode: static access
> Administrative Trunking Encapsulation: negotiate
> Operational Trunking Encapsulation: native
> Negotiation of Trunking: On
> Access Mode VLAN: 21 (VDL-B)
> Trunking Native Mode VLAN: 1 (default)
> Administrative private-vlan host-association: none
> Administrative private-vlan mapping: none
> Operational private-vlan: none
> Trunking VLANs Enabled: ALL
> Pruning VLANs Enabled: 2-1001
>
> Protected: false
> Unknown unicast blocked: disabled
> Unknown multicast blocked: disabled
>
> Voice VLAN: 20 (VDL-A)
> Appliance trust: none
> VDL-CAT#
>
> Ping to Phone in VLAN 20
>
> Type escape sequence to abort.
> Sending 5, 100-byte ICMP Echos to 10.115.6.3, timeout is 2 seconds:
> !!!!!
> Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/4 ms
> VDL-CAT#
>
> Ping to PC in VLAN 21
>
> VDL-CAT#ping 10.115.6.130
>
> Type escape sequence to abort.
> Sending 5, 100-byte ICMP Echos to 10.115.6.130, timeout is 2 seconds:
> !!!!!
> Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/4 ms
> VDL-CAT#
>
>
> Thanks again Scott!!!
>
>
> M
>
>
>
>
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
> wwwjjang@chol.com
> Sent: Wednesday, July 23, 2003 9:12 PM
> To: ccielab@groupstudy.com
> Subject: Cat3550's Voice Vlan Question..
>
>
> I have been confused by the Voice Vlan ..
> what's the right answer of the question?
>
> Q>Asssme there are cisco ip-phones attatched to port fa0/20 & fa0/21.
> - Configure voice vlan 40 for ports 0/20 & 0/21 with the native
> and data vlans set to 10
>
> --------------
> My answer1>
> --------------
> mls qos
> interface FastEthernet0/20
> mls qos trust cos
> switchport mode trunk
> switchport trunk encapsulation dot1q
> switchport trunk native vlan 10
> switchport voice vlan 40
> no ip address
> no cdp enable
> spanning-tree portfast trunk
> !
> interface FastEthernet0/21
> mls qos trust cos
> switchport mode trunk
> switchport trunk encapsulation dot1q
> switchport trunk native vlan 10
> switchport voice vlan 40
> no ip address
> no cdp enable
> spanning-tree portfast trunk
> --------------
> My answer2>
> --------------
> mls qos
> interface FastEthernet0/20
> mls qos trust cos
> switchport mode access **
> switchport access vlan 10 **
> switchport mode trunk
> switchport trunk encapsulation dot1q
> switchport trunk native vlan 10
> switchport voice vlan 40
> no ip address
> no cdp enable
> spanning-tree portfast trunk
> !
> interface FastEthernet0/21
> mls qos trust cos
> switchport mode access **
> switchport access vlan 10 **
> switchport mode trunk
> switchport trunk encapsulation dot1q
> switchport trunk native vlan 10
> switchport voice vlan 40
> no ip address
> no cdp enable
> spanning-tree portfast trunk
>
>
> _______________________________________________________________________
> You are subscribed to the GroupStudy.com CCIE R&S Discussion Group.
>
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
>
>
> _______________________________________________________________________
> You are subscribed to the GroupStudy.com CCIE R&S Discussion Group.
>
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
This archive was generated by hypermail 2.1.4 : Wed Aug 06 2003 - 06:52:51 GMT-3