然后呢，
什么问题
%Dec 10 13:13:31:173 2025 5th-Core-1 IFNET/5/LINK_UPDOWN: Line protocol state on the interface Vlan-interface8 changed to down. %Dec 10 13:13:31:174 2025 5th-Core-1 IFNET/5/LINK_UPDOWN: Line protocol state on the interface Vlan-interface9 changed to down. %Dec 10 13:13:32:096 2025 5th-Core-1 IFNET/3/PHY_UPDOWN: Physical state on the interface Twenty-FiveGigE1/1/2 changed to up. %Dec 10 13:13:32:097 2025 5th-Core-1 IFNET/5/LINK_UPDOWN: Line protocol state on the interface Twenty-FiveGigE1/1/2 changed to up. %Dec 10 13:13:32:101 2025 5th-Core-1 IFNET/3/PHY_UPDOWN: Physical state on the interface Vlan-interface17 changed to up. %Dec 10 13:13:32:101 2025 5th-Core-1 IFNET/5/LINK_UPDOWN: Line protocol state on the interface Vlan-interface17 changed to up. %Dec 10 13:13:34:777 2025 5th-Core-1 IFNET/3/PHY_UPDOWN: Physical state on the interface Twenty-FiveGigE1/1/1 changed to up. %Dec 10 13:13:34:778 2025 5th-Core-1 IFNET/5/LINK_UPDOWN: Line protocol state on the interface Twenty-FiveGigE1/1/1 changed to up. %Dec 10 13:13:34:779 2025 5th-Core-1 IFNET/3/PHY_UPDOWN: Physical state on the interface Vlan-interface5 changed to up. %Dec 10 13:13:34:779 2025 5th-Core-1 IFNET/3/PHY_UPDOWN: Physical state on the interface Vlan-interface6 changed to up. %Dec 10 13:13:34:779 2025 5th-Core-1 IFNET/3/PHY_UPDOWN: Physical state on the interface Vlan-interface7 changed to up. %Dec 10 13:13:34:779 2025 5th-Core-1 IFNET/3/PHY_UPDOWN: Physical state on the interface Vlan-interface8 changed to up. %Dec 10 13:13:34:779 2025 5th-Core-1 IFNET/3/PHY_UPDOWN: Physical state on the interface Vlan-interface9 changed to up. %Dec 10 13:13:34:780 2025 5th-Core-1 IFNET/5/LINK_UPDOWN: Line protocol state on the interface Vlan-interface5 changed to up. %Dec 10 13:13:34:780 2025 5th-Core-1 IFNET/5/LINK_UPDOWN: Line protocol state on the interface Vlan-interface6 changed to up. %Dec 10 13:13:34:780 2025 5th-Core-1 IFNET/5/LINK_UPDOWN: Line protocol state on the interface Vlan-interface7 changed to up. %Dec 10 13:13:34:780 2025 5th-Core-1 IFNET/5/LINK_UPDOWN: Line protocol state on the interface Vlan-interface8 changed to up.
端口总是down，对端是fortigate的端口拆出来的vlan虚拟接口。这个物理口总是时段时连。请问大概哪里问题，对端fortigate端口1G本端插的光转电模块之前都好用。模块和网线都换过可以排除了。
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