H3C S7003X 遭受上行接口的arp攻击
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问题描述：
%Nov 20 16:32:42:363 2025 N-xiaokongshi-CORE-H3C_S7003X#10.150.101.130 DRVPLAT/4/PORT_ATTACK_OCCUR: Auto port-defend stopped.SourceAttackInterface=Ten-GigabitEthernet0/0/27, AttackProtocol= ARP %Nov 20 16:33:33:795 2025 N-xiaokongshi-CORE-H3C_S7003X#10.150.101.130 IFNET/4/IF_EGRESS_DROP_RECOVER: Packet loss recovers in queue 2 of GigabitEthernet0/0/1. %Nov 20 16:33:33:796 2025 N-xiaokongshi-CORE-H3C_S7003X#10.150.101.130 IFNET/4/IF_EGRESS_DROP_RECOVER: Packet loss recovers in queue 2 of GigabitEthernet0/0/2. %Nov 20 16:33:33:797 2025 N-xiaokongshi-CORE-H3C_S7003X#10.150.101.130 IFNET/4/IF_EGRESS_DROP_RECOVER: Packet loss recovers in queue 2 of GigabitEthernet0/0/3. %Nov 20 16:33:33:797 2025 N-xiaokongshi-CORE-H3C_S7003X#10.150.101.130 IFNET/4/IF_EGRESS_DROP_RECOVER: Packet loss recovers in queue 2 of GigabitEthernet0/0/4. %Nov 20 16:33:33:798 2025 N-xiaokongshi-CORE-H3C_S7003X#10.150.101.130 IFNET/4/IF_EGRESS_DROP_RECOVER: Packet loss recovers in queue 2 of GigabitEthernet0/0/5. %Nov 20 16:33:33:799 2025 N-xiaokongshi-CORE-H3C_S7003X#10.150.101.130 IFNET/4/IF_EGRESS_DROP_RECOVER: Packet loss recovers in queue 2 of GigabitEthernet0/0/6. %Nov 20 16:33:33:800 2025 N-xiaokongshi-CORE-H3C_S7003X#10.150.101.130 IFNET/4/IF_EGRESS_DROP_RECOVER: Packet loss recovers in queue 2 of GigabitEthernet0/0/7. %Nov 20 16:33:33:801 2025 N-xiaokongshi-CORE-H3C_S7003X#10.150.101.130 IFNET/4/IF_EGRESS_DROP_RECOVER: Packet loss recovers in queue 2 of GigabitEthernet0/0/8. %Nov 20 16:33:33:802 2025 N-xiaokongshi-CORE-H3C_S7003X#10.150.101.130 IFNET/4/IF_EGRESS_DROP_RECOVER: Packet loss recovers in queue 2 of GigabitEthernet0/0/17. %Nov 20 16:33:33:802 2025 N-xiaokongshi-CORE-H3C_S7003X#10.150.101.130 IFNET/4/IF_EGRESS_DROP_RECOVER: Packet loss recovers in queue 2 of GigabitEthernet0/0/18. %Nov 20 16:33:33:803 2025 N-xiaokongshi-CORE-H3C_S7003X#10.150.101.130 IFNET/4/IF_EGRESS_DROP_RECOVER: Packet loss recovers in queue 2 of GigabitEthernet0/0/19. %Nov 20 16:33:33:804 2025 N-xiaokongshi-CORE-H3C_S7003X#10.150.101.130 IFNET/4/IF_EGRESS_DROP_RECOVER: Packet loss recovers in queue 2 of GigabitEthernet0/0/20. %Nov 20 16:33:33:805 2025 N-xiaokongshi-CORE-H3C_S7003X#10.150.101.130 IFNET/4/IF_EGRESS_DROP_RECOVER: Packet loss recovers in queue 2 of GigabitEthernet0/0/9. %Nov 20 16:33:33:806 2025 N-xiaokongshi-CORE-H3C_S7003X#10.150.101.130 IFNET/4/IF_EGRESS_DROP_RECOVER: Packet loss recovers in queue 2 of GigabitEthernet0/0/10. %Nov 20 16:33:33:807 2025 N-xiaokongshi-CORE-H3C_S7003X#10.150.101.130 IFNET/4/IF_EGRESS_DROP_RECOVER: Packet loss recovers in queue 2 of GigabitEthernet0/0/11. %Nov 20 16:33:33:808 2025 N-xiaokongshi-CORE-H3C_S7003X#10.150.101.130 IFNET/4/IF_EGRESS_DROP_RECOVER: Packet loss recovers in queue 2 of GigabitEthernet0/0/12. %Nov 20 16:33:33:808 2025 N-xiaokongshi-CORE-H3C_S7003X#10.150.101.130 IFNET/4/IF_EGRESS_DROP_RECOVER: Packet loss recovers in queue 2 of GigabitEthernet0/0/13. %Nov 20 16:33:33:809 2025 N-xiaokongshi-CORE-H3C_S7003X#10.150.101.130 IFNET/4/IF_EGRESS_DROP_RECOVER: Packet loss recovers in queue 2 of GigabitEthernet0/0/14. %Nov 20 16:33:33:810 2025 N-xiaokongshi-CORE-H3C_S7003X#10.150.101.130 IFNET/4/IF_EGRESS_DROP_RECOVER: Packet loss recovers in queue 2 of GigabitEthernet0/0/15. %Nov 20 16:33:33:811 2025 N-xiaokongshi-CORE-H3C_S7003X#10.150.101.130 IFNET/4/IF_EGRESS_DROP_RECOVER: Packet loss recovers in queue 2 of GigabitEthernet0/0/16. %Nov 20 16:33:33:813 2025 N-xiaokongshi-CORE-H3C_S7003X#10.150.101.130 IFNET/4/IF_EGRESS_DROP_RECOVER: Packet loss recovers in queue 2 of GigabitEthernet0/0/22. %Nov 20 16:33:33:814 2025 N-xiaokongshi-CORE-H3C_S7003X#10.150.101.130 IFNET/4/IF_EGRESS_DROP_RECOVER: Packet loss recovers in queue 2 of GigabitEthernet0/0/23. %Nov 20 16:33:33:815 2025 N-xiaokongshi-CORE-H3C_S7003X#10.150.101.130 IFNET/4/IF_EGRESS_DROP_RECOVER: Packet loss recovers in queue 2 of GigabitEthernet0/0/24. %Nov 20 16:33:33:818 2025 N-xiaokongshi-CORE-H3C_S7003X#10.150.101.130 IFNET/4/IF_BOARD_EGRESS_DROP_RECOVER: Packet loss recovers on chassis 0 slot 0. %Nov 20 16:34:06:856 2025 N-xiaokongshi-CORE-H3C_S7003X#10.150.101.130 IFNET/4/IF_EGRESS_DROP_RECOVER: -Slot=2; Packet loss recovers in queue 2 of GigabitEthernet2/0/37. %Nov 20 16:34:06:857 2025 N-xiaokongshi-CORE-H3C_S7003X#10.150.101.130 IFNET/4/IF_EGRESS_DROP_RECOVER: -Slot=2; Packet loss recovers in queue 2 of GigabitEthernet2/0/38. %Nov 20 16:34:06:858 2025 N-xiaokongshi-CORE-H3C_S7003X#10.150.101.130 IFNET/4/IF_EGRESS_DROP_RECOVER: -Slot=2; Packet loss recovers in queue 2 of GigabitEthernet2/0/39. %Nov 20 16:34:06:858 2025 N-xiaokongshi-CORE-H3C_S7003X#10.150.101.130 IFNET/4/IF_EGRESS_DROP_RECOVER: -Slot=2; Packet loss recovers in queue 2 of GigabitEthernet2/0/40. %Nov 20 16:34:06:864 2025 N-xiaokongshi-CORE-H3C_S7003X#10.150.101.130 IFNET/4/IF_EGRESS_DROP_RECOVER: -Slot=2; Packet loss recovers in queue 2 of GigabitEthernet2/0/33. %Nov 20 16:34:06:865 2025 N-xiaokongshi-CORE-H3C_S7003X#10.150.101.130 IFNET/4/I
组网及组网描述：
这是一台接入交换机，新上的一台，但是由于上学有p报文攻击，导致了下行端口的丢包，如何敲命令来防止上行arp攻击
为防止H3C S7003X接入交换机遭受上行接口的ARP攻击导致下行端口丢包，可在系统视图下部署ARP防攻击相关命令，重点启用ARP源MAC一致性检查，并结合端口安全或ARP报文限速策略。具体配置命令如下：
1. 启用ARP源MAC一致性检查：
```shell
[H3C] arp valid-check enable
```
2. 在上行接口视图下配置ARP报文限速（推荐在上行口执行）：
```shell
[H3C] interface gigabitethernet 1/0/1 // 替换为实际上行接口
[H3C-GigabitEthernet1/0/1] arp rate-limit enable
[H3C-GigabitEthernet1/0/1] arp rate-limit 100 // 限制ARP报文速率，单位：pps，根据实际调整
```
3. （可选）启用端口安全，防止ARP欺骗：
```shell
[H3C-GigabitEthernet1/0/1] port-security enable
```
4. （建议）升级设备固件至R2820或更高版本，以获得更完善的ARP防护能力。
注：缺省情况下`arp valid-check`功能关闭，开启后对正常终端无影响，主要拦截非法ARP报文。配置前建议在测试环境验证，避免误拦截。
若问题仍存在，请拨打H3C技术支持热线：400-810-0504 进一步排查。
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