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Cisco 7600 Series Router Cisco IOS Software Configuration Guide, Release 12.2SX
OL-4266-08
Chapter 16 Configuring Cisco IP Phone Support
Configuring Cisco IP Phone Support
This example shows how to configure Fast Ethernet port 5/1 to send CDP 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 CDP 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
Configuring Inline Power Support
To configure inline power support, perform this task:
When configuring inline power support, note the following information:
• To configure auto-detection of a Cisco IP phone, enter the auto keyword.
• To disable auto-detection of a Cisco IP phone, enter the never keyword.
This example shows how to disable inline power on Fast Ethernet port 5/1:
Router# configure terminal
Router(config)# interface fastethernet 5/1
Router(config-if)# power inline never
This example shows how to enable inline power on Fast Ethernet port 5/1:
Router# configure terminal
Router(config)# interface fastethernet 5/1
Router(config-if)# power inline auto
This example shows how to verify the inline power configuration on Fast Ethernet port 5/1:
Router# show power inline fastethernet 5/1
Interface Admin Oper Power Device
(Watts)
---------- ----- ---------- ------- -------------------
Fa5/1 auto on 6.3 cisco phone device
Command Purpose
Step 1
Router(config)# interface fastethernet
slot/port
Selects the port to configure.
Step 2
Router(config-if)# power inline {auto | never}
Configures inline power support.
Router(config-if)# no power inline
Clears the configuration.
Step 3
Router(config)# end
Exits configuration mode.
Step 4
Router# show power inline
[fastethernet
slot/port
]
Verifies the configuration.
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