N904 VPN 접속시 아래와 같이 계속 끊어집니다. 왜일까요? 2021/12/22 09:00:00 PPTP VPN 접속 성공 - 계정 : MAIN2 , 접속IP : 123.214.226.46 2021/12/22 08:46:52 DHCP 서버가 IP 할당함: 192.168.20.12 (MAC : 00-30-18-0C-87-EE) 2021/12/22 08:45:14 DHCP 서버가 IP 할당함: 192.168.20.12 (MAC : 00-30-18-0C-87-EE) 2021/12/22 08:40:32 DHCP 서버가 IP 할당함: 192.168.20.16 (MAC : 12-59-D0-71-B0-93) 2021/12/22 08:35:22 DHCP 서버가 IP 할당함: 192.168.20.16 (MAC : 12-59-D0-71-B0-93) 2021/12/22 08:25:28 PPTP VPN 접속 끊김 - 계정 : MAIN2 (ppp0) 2021/12/22 08:22:49 DHCP 서버가 IP 할당함: 192.168.20.10 (MAC : 00-30-18-0C-85-EC) 2021/12/22 08:11:09 PPTP VPN 접속 성공 - 계정 : MAIN2 , 접속IP : 123.214.226.46 2021/12/22 08:09:12 DHCP 서버가 IP 할당함: 192.168.20.14 (MAC : 90-2B-34-73-2A-A8) 2021/12/22 07:57:17 DHCP 서버가 IP 할당함: 192.168.20.51 (MAC : F8-E6-1A-8E-51-AB) 2021/12/22 07:52:58 PPTP VPN 접속 끊김 - 계정 : MAIN (ppp0) 2021/12/22 07:49:06 DHCP 서버가 IP 할당함: 192.168.20.26 (MAC : 9A-F1-BD-85-63-CD) 2021/12/22 07:48:08 DHCP 서버가 IP 할당함: 192.168.20.18 (MAC : 5A-20-BD-DE-55-67) 2021/12/22 07:48:07 DHCP 서버가 IP 할당함: 192.168.20.18 (MAC : 5A-20-BD-DE-55-67) 2021/12/22 07:10:30 DHCP 서버가 IP 할당함: 192.168.20.10 (MAC : 00-30-18-0C-85-EC) 2021/12/22 07:10:15 DHCP 서버가 IP 할당함: 192.168.20.25 (MAC : AA-EE-5E-AB-D9-BC) 2021/12/22 07:10:02 DHCP 서버가 IP 할당함: 192.168.20.12 (MAC : 00-30-18-0C-87-EE) 2021/12/22 07:08:21 DHCP 서버가 IP 할당함: 192.168.20.49 (MAC : D2-AC-D9-4C-D4-8E) 2021/12/22 07:04:09 DHCP 서버가 IP 할당함: 192.168.20.25 (MAC : AA-EE-5E-AB-D9-BC) 2021/12/22 07:02:50 PPTP VPN 접속 성공 - 계정 : MAIN , 접속IP : 123.214.226.46