From: MMoniz (ccie2002@tampabay.rr.com)
Date: Wed Jul 23 2003 - 22:23:00 GMT-3
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
This archive was generated by hypermail 2.1.4 : Wed Aug 06 2003 - 06:52:51 GMT-3