Configuring Data Traffic Support - Cisco 6500 Series Software Configuration Manual
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Also See for 6500 Series:
- Configuration manual (392 pages) ,
- Configuration note (212 pages) ,
- Installation manual (194 pages)
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Chapter 11
Configuring Cisco IP Phone Support
Configuring Data Traffic Support
To configure the way in which the Cisco IP Phone transmits data traffic, perform this task:
Command
Step 1
Router(config)# interface fastethernet slot/port
Step 2
Router(config-if)# mls qos trust extend
[cos cos_value]
Router(config-if)# no mls qos trust extend
Step 3
Router(config)# end
Step 4
Router# show interfaces fastethernet slot/port
switchport
Router# show running-config interface
fastethernet slot/port
When configuring the way in which the Cisco IP Phone transmits data traffic, note the following syntax
information:
•
•
•
This example shows how to configure Fast Ethernet port 5/1 to send CDPv2 packets that tell the
Cisco IP Phone to configure its access port as untrusted and to mark all tagged traffic received from a
device connected to the access port on the Cisco IP Phone with CoS 3:
Router# configure terminal
Router(config)# interface fastethernet 5/1
Router(config-if)# mls qos trust extend cos 3
This example shows how to configure Fast Ethernet port 5/1 to send CDPv2 packets that tell the
Cisco IP Phone to configure its access port as trusted:
Router# configure terminal
Router(config)# interface fastethernet 5/1
Router(config-if)# mls qos trust extend
This example shows how to verify the configuration on Fast Ethernet port 5/1:
Router# show queueing interface fastethernet 5/1 | include Extend
Extend trust state: trusted
78-14099-04
To send CDPv2 packets that configure the Cisco IP Phone to trust tagged traffic received from a
device connected to the access port on the Cisco IP Phone, do not enter the cos keyword and CoS
value.
To send CDPv2 packets that configure the Cisco IP Phone to mark tagged ingress traffic received
from a device connected to the access port on the Cisco IP Phone, enter the cos keyword and CoS
value (valid values are 0 through 7).
You cannot use Cisco IOS software commands to configure whether or not traffic sent from a device
attached to the access port on the Cisco IP Phone is tagged.
Catalyst 6500 Series Switch Cisco IOS Software Configuration Guide—Release 12.1 E
Purpose
Selects the port to configure.
Configures the way in which the Cisco IP Phone
transmits data traffic.
Clears the configuration.
Exits configuration mode.
Verifies the configuration.
Configuring Cisco IP Phone Support
11-7
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Troubleshooting
