Cannot connect to SPA112

[rbair]

I have a brand new SPA112 and haven't have any success connecting to it by any means other than the IVR.

After a factory reset, I see DHCP requests and replies on the network. I can ping the device for ~3 seconds. During that time I see a DNS request for a NTP server and a request/response to the NTP server. After that, I no longer see any signs of life from it on the network.

Failing there, I attempted to set a static IP address using the IVR. I use option 101, set the type to 1 (static) and hang-up per the docs. After several minutes, I dialed into the IVR again and attempted to set the static IP using option 111. The IVR responded that the option was invalid. I checked the connection type under option 100 and was told it was 0 (DHCP).

I've tried a bunch of combinations, but so far have not gotten anything to work. Any pointers?

[rbair]

I plugged the SPA into a separate VLAN with DHCP and Internet access and I was able to get into the web interface. I was hoping the logs would give me some answers, but they were empty.

I set a static IP address for the intended VLAN and reconfigured the port on the switch. Upon rebooting I was able to ping it on the configured IP for a few seconds before it stopped responding again. The IVR confirmed the address was static and that the IP, gateway, and subnet were correct.

[Dan Lukes]

No idea whats the cause. More information may (or may not) help to analyze it.

Turn on syslog&debug. Capture all packets sent&received by SPA112 - from power on to the point of failing ping (capture of all packets will capture even syslog&debug packets regardless the syslog server address configured).

It may disclose something important.