D-Link DIR-815一直斷線

這個問題已經困擾小弟很久了，之前都以為是電信業者的問題，可是換了之後還是一樣
小弟對伺服器一竅不通，只能調紀錄出來請大家幫幫忙

Tue Jun 4 05:07:09 2013 PPPoE: Sending PADI for WAN-1.
Tue Jun 4 05:07:09 2013 pppd 2.4.2b3 started by (unknown), uid 0
Tue Jun 4 04:13:15 2013 no servers found in /etc/resolv.conf, will retry
Tue Jun 4 04:13:04 2013 PPPoE: Sending PADT for WAN-1. (Session ID: 683)
Tue Jun 4 04:13:04 2013 warning: no upstream servers configured
Tue Jun 4 04:13:02 2013 PPP: Connection terminated.
Mon Jun 3 21:05:19 2013 DHCP: Server sending ACK to 192.168.0.101. (Lease time = -1)
Mon Jun 3 21:05:19 2013 DHCP: Server receive REQUEST from e0:b9:a5:ae:e4:89.

5點07分那個是我重新連線，斷線應該是4點13分
這是伺服器本身的問題嗎?求解