No my modem doesn't seem to reset on its own.
ping testmy.net -n 50
Pinging testmy.net [67.18.179.85] with 32 bytes of data:
Reply from 67.18.179.85: bytes=32 time=17ms TTL=51
Reply from 67.18.179.85: bytes=32 time=26ms TTL=49
Reply from 67.18.179.85: bytes=32 time=16ms TTL=50
Reply from 67.18.179.85: bytes=32 time=20ms TTL=51
Reply from 67.18.179.85: bytes=32 time=18ms TTL=49
Reply from 67.18.179.85: bytes=32 time=17ms TTL=51
Reply from 67.18.179.85: bytes=32 time=15ms TTL=49
Reply from 67.18.179.85: bytes=32 time=24ms TTL=49
Reply from 67.18.179.85: bytes=32 time=15ms TTL=51
Reply from 67.18.179.85: bytes=32 time=15ms TTL=49
Reply from 67.18.179.85: bytes=32 time=16ms TTL=51
Reply from 67.18.179.85: bytes=32 time=18ms TTL=50
Reply from 67.18.179.85: bytes=32 time=16ms TTL=50
Reply from 67.18.179.85: bytes=32 time=12ms TTL=50
Reply from 67.18.179.85: bytes=32 time=15ms TTL=49
Reply from 67.18.179.85: bytes=32 time=14ms TTL=51
Reply from 67.18.179.85: bytes=32 time=43ms TTL=50
Reply from 67.18.179.85: bytes=32 time=29ms TTL=49
Reply from 67.18.179.85: bytes=32 time=12ms TTL=50
Reply from 67.18.179.85: bytes=32 time=14ms TTL=49
Reply from 67.18.179.85: bytes=32 time=15ms TTL=51
Reply from 67.18.179.85: bytes=32 time=16ms TTL=51
Reply from 67.18.179.85: bytes=32 time=16ms TTL=49
Reply from 67.18.179.85: bytes=32 time=14ms TTL=51
Reply from 67.18.179.85: bytes=32 time=30ms TTL=49
Reply from 67.18.179.85: bytes=32 time=13ms TTL=50
Reply from 67.18.179.85: bytes=32 time=239ms TTL=51
Reply from 67.18.179.85: bytes=32 time=309ms TTL=49
Reply from 67.18.179.85: bytes=32 time=92ms TTL=49
Reply from 67.18.179.85: bytes=32 time=16ms TTL=50
Reply from 67.18.179.85: bytes=32 time=11ms TTL=49
Reply from 67.18.179.85: bytes=32 time=13ms TTL=49
Reply from 67.18.179.85: bytes=32 time=23ms TTL=51
Reply from 67.18.179.85: bytes=32 time=12ms TTL=49
Request timed out.
Reply from 67.18.179.85: bytes=32 time=46ms TTL=50
Reply from 67.18.179.85: bytes=32 time=13ms TTL=49
Reply from 67.18.179.85: bytes=32 time=14ms TTL=51
Reply from 67.18.179.85: bytes=32 time=13ms TTL=49
Reply from 67.18.179.85: bytes=32 time=66ms TTL=49
Reply from 67.18.179.85: bytes=32 time=13ms TTL=51
Reply from 67.18.179.85: bytes=32 time=15ms TTL=49
Reply from 67.18.179.85: bytes=32 time=17ms TTL=51
Reply from 67.18.179.85: bytes=32 time=12ms TTL=50
Reply from 67.18.179.85: bytes=32 time=16ms TTL=50
Reply from 67.18.179.85: bytes=32 time=15ms TTL=50
Reply from 67.18.179.85: bytes=32 time=18ms TTL=49
Reply from 67.18.179.85: bytes=32 time=15ms TTL=51
Reply from 67.18.179.85: bytes=32 time=12ms TTL=50
Reply from 67.18.179.85: bytes=32 time=16ms TTL=49
Ping statistics for 67.18.179.85:
Packets: Sent = 50, Received = 49, Lost = 1 (2% loss),
Approximate round trip times in milli-seconds:
Minimum = 11ms, Maximum = 309ms, Average = 30ms
What do you mean by upstream levels? (newbie)