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Cisco IOS Telephony Service, Version 2.02
Chapter 2 Required Configuration Tasks
How to Configure Cisco IOS Telephony Service
Configuring the DHCP IP Address for Each Cisco IP Phone
This process creates a name for the DHCP server address pool and specifies IP, MAC, and hardware
addresses.
SUMMARY STEPS
1. ip dhcp pool phone 1
2. host ip-address
3. client-identifier mac-address
4. hardware address mac-address
5. option 150 ip ip-address
6. default-router ip-address
DETAILED STEPS
Step 3
Router(config-dhcp)# option 150 ip ip-address
The option 150 command specifies the TFTP server
address from which the Cisco IP phone downloads
the image configuration file, SEPDEFAULT.cnf.
This is your Cisco IOS Telephony Service router
address.
Step 4
Router(config-dhcp)# default-router ip-address
The Cisco IP phones are directly connected to this
router. This router is either a Cisco IOS Telephony
Service router or any Cisco router attached to the
Cisco IOS Telephony Service router.
Note As long as the Cisco IP phones have
connection to the Cisco IOS Telephony
Service router, the Cisco IP phones are able
to get the required network details.
Command Purpose
Command Purpose
Step 1
Router(config)# ip dhcp pool phone 1
Creates a name for the DHCP server address pool
and enters DHCP pool configuration mode.
Step 2
Router(config-dhcp)# host ip-address
Specifies the IP address you want the phone to get.
Step 3
Router(config-dhcp)# client-identifier mac-address
Specifies the MAC address of the phone. The
MAC address is printed on a sticker and placed
under each Cisco IP phone.
Note You must use a 01 prefix number before
the MAC address.
Step 4
Router(config-dhcp)# hardware address mac-address
Specifies the hardware address.
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