1. 程式人生 > 實用技巧 >華為交換機日誌Auto port-defend started

華為交換機日誌Auto port-defend started

Aug18202004:14:08+08:00JK-BGDL-SW01%%01SECE/4/PORT_ATTACK_OCCUR(l)[69]:Autoport-defendstarted.(SourceAttackInterface=GigabitEthernet0/0/28,AttackProtocol=ARP-REQUEST)
Aug18202002:50:07+08:00JK-BGDL-SW01%%01SECE/4/PORT_ATTACK_OCCUR(l)[70]:Autoport-defendstarted.(SourceAttackInterface=GigabitEthernet0/0/28,AttackProtocol=ARP-REQUEST)

Aug17202022:54:26+08:00JK-BGDL-SW01%%01SECE/4/PORT_ATTACK_OCCUR(l)[71]:Autoport-defendstarted.(SourceAttackInterface=GigabitEthernet0/0/28,AttackProtocol=ARP-REQUEST)
Aug17202022:06:51+08:00JK-BGDL-SW01%%01SECE/4/PORT_ATTACK_OCCUR(l)[72]:Autoport-defendstarted.(SourceAttackInterface=GigabitEthernet0/0/28,AttackProtocol=ARP-REQUEST)

交換機檢測收到大量的ARP-Request報文攻擊,超出交換機CPU處理能力(交換機本機防攻擊策略指定CPU對ARP-Request報文處理速度的閾值為64kbit/s,超出部分丟棄),啟動埠防攻擊。

處理步驟:

1.排查裝置受到的攻擊是否是真實的攻擊。
2.如果是真實攻擊,請排除攻擊源;如果不是,請重新配置埠防攻擊功能,確保協議報文能夠正常上送CPU處理。

>observe-port 1 interface GigabitEthernet1/0/22   // 觀察口
# interface GigabitEthernet0/0/28          //映象口
   port-mirroring to observe-port 1 both