Linksys SPA921 Cisco Small Business IP Telephony Devices Provisioning Guide - Page 71
Provisioning Tutorial, Macro, Expansion Variables on Exercise, Submit All Changes
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Provisioning Tutorial Basic Resync 3 The profile rule undergoes macro expansion internally before being applied. The macro expansion understands a number of values including the following: • $MA expands to the unit MAC address, using lower case hex digits (for example, 000e08abcdef) • $SN expands to the unit Serial Number (for example, 88012BA01234) Exercise STEP 1 Obtain the MAC address of the test IP Telephony Device from its product label. This is a 12-digit number, using lower case hex digits, such as 000e08aabbcc. STEP 2 Copy the basic.txt configuration file to a new file named spa_mac_address.cfg and place the new file in the virtual root directory of the TFTP server. Replace mac_address with the actual MAC address of the IP Telephony Device. STEP 3 Open the admin/advanced page, Provisioning tab. STEP 4 Enter the following value in the Profile_Rule parameter: tftp://192.168.1.200/spa$MA.cfg STEP 5 Click Submit All Changes. This causes an immediate reboot and resync. When the next resync occurs, the IP Telephony Device retrieves the new file by expanding the $MA macro expression into its own MAC address. Several other values can be macro expanded in this way, including all the general purpose parameters, (GPP_A through GPP_P) These can be referenced as $A through $P. Macro expansion is not limited to the URL file name, but can also be applied to any portion of the profile rule parameter. For a complete list of variables available for macro expansion, see the "Macro Expansion Variables" section on page 91. Cisco Small Business IP Telephony Devices Provisioning Guide 69