sth about cable modem这两天我的cable modem 好像有点问题，
用几个小时后就好像连不上网了，必须把cable modem的电源关掉再打开，然后就又可以了。。前几天的时候好像没这个问题，今天才发现的。
是不是modem 已经有问题了啊？？？ 才买的不到一个月啊！！！
Don't think it is cable modem's problem.
I encountered this problem multiple times some time back. I checked with an SCV technician, and it seems it is due to some instability in the shared coaxial cable medium. Anyway, rebooting the cable modem will almost solve the problem for sure, so not really a big deal.
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