I've been trying to configure a Cisco 877 to give out DHCP option 66 and act as a tftp server so that I can provision the SPA112. I've managed to see that the tftp server has been accessed once by one of the devices, but it doesn't get much further than that.
Here is the config for the dhcp pool and tftp setup
ip dhcp excluded-address 192.168.50.1
ip dhcp pool test
network 192.168.50.0 255.255.255.0
option 66 ascii 192.168.50.1
ip tftp source-interface Vlan1
tftp-server flash:spa112.cfg alias /spa112.cfg
Has anyone else managed to get option 66 provisioning working consistently with the SPA112 units? I'm currently getting by with the resync string in the URL, but with 500+ units it's getting pretty boring
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