MSR3620 PPPOE拨号问题

PPPOE拨通了，没到1分钟就断开。会反复出现接通 断开

ping 获取的IP，几次都正常，ping 114.114.114.114 就断网。

%Oct 14 16:56:19:446 2019 H3C IFNET/3/PHY_UPDOWN: Physical state on the interface Aux0 changed to up.

%Oct 14 16:56:21:259 2019 H3C IFNET/3/PHY_UPDOWN: Physical state on the interface GigabitEthernet0/0 changed to up.

%Oct 14 16:56:21:259 2019 H3C IFNET/5/LINK_UPDOWN: Line protocol state on the interface GigabitEthernet0/0 changed to up.

%Oct 14 16:56:21:365 2019 H3C IFNET/3/PHY_UPDOWN: Physical state on the interface GigabitEthernet0/1 changed to up.

%Oct 14 16:56:21:366 2019 H3C IFNET/5/LINK_UPDOWN: Line protocol state on the interface GigabitEthernet0/1 changed to up.

%Oct 14 16:56:21:473 2019 H3C IFNET/3/PHY_UPDOWN: Physical state on the interface GigabitEthernet0/2 changed to up.

%Oct 14 16:56:21:473 2019 H3C IFNET/5/LINK_UPDOWN: Line protocol state on the interface GigabitEthernet0/2 changed to up.

%Oct 14 17:07:16:338 2019 H3C IFNET/3/PHY_UPDOWN: Physical state on the interface GigabitEthernet0/1 changed to down.

%Oct 14 17:07:16:339 2019 H3C IFNET/5/LINK_UPDOWN: Line protocol state on the interface GigabitEthernet0/1 changed to down.

%Oct 14 17:07:19:337 2019 H3C IFNET/3/PHY_UPDOWN: Physical state on the interface GigabitEthernet0/1 changed to up.

%Oct 14 17:07:19:338 2019 H3C IFNET/5/LINK_UPDOWN: Line protocol state on the interface GigabitEthernet0/1 changed to up.

%Oct 14 17:07:24:484 2019 H3C SHELL/6/SHELL_CMD: -Line=aux0-IPAddr=**-User=**; Command is display pppoe-client session summary