{"id":5468,"date":"2022-01-09T01:31:25","date_gmt":"2022-01-09T09:31:25","guid":{"rendered":"https:\/\/www.xh86.me\/?p=5468"},"modified":"2022-01-09T02:30:58","modified_gmt":"2022-01-09T10:30:58","slug":"ping%e4%b8%8d%e9%80%9a%ef%bc%8c%e7%ab%9f%e7%84%b6%e6%98%af%e4%ba%a4%e6%8d%a2%e6%9c%ba%e5%8f%97%e5%88%b0%e8%bf%99%e7%a7%8d%e6%8a%a5%e6%96%87%e6%94%bb%e5%87%bb%e4%ba%86%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.xh86.me\/?p=5468","title":{"rendered":"Ping\u4e0d\u901a\uff0c\u7adf\u7136\u662f\u4ea4\u6362\u673a\u53d7\u5230\u8fd9\u79cd\u62a5\u6587\u653b\u51fb\u4e86\uff1f"},"content":{"rendered":"
\n
\n

\n

\u4e00\u3001\u73b0\u8c61\u63cf\u8ff0<\/span><\/h1>\n

\u5982\u56fe1\u6240\u793a\uff0cSwitch\u4e3a\u7f51\u5173\uff0cSwitch_1\uff08\u6846\u5f0f\u4ea4\u6362\u673a\uff09\u7ecf\u5e38\u8131\u7ba1\uff0c\u4e14Switch_1\u4e0b\u7528\u6237\u5b58\u5728\u4e0a\u7f51\u6389\u7ebf\uff0cPing\u7f51\u5173\u5b58\u5728\u65f6\u5ef6\u3001\u4e0d\u901a\u7b49\u73b0\u8c61\uff0c\u800cSwitch_2\u4e0b\u8054\u4e1a\u52a1\u6b63\u5e38\uff0cPing\u7f51\u5173\u6b63\u5e38\u3002<\/p>\n

<\/div><\/p>\n

\u56fe1 \u4ea4\u6362\u673a\u53d7\u5230ARP\u62a5\u6587\u653b\u51fb\u5bfc\u81f4Ping\u4e0d\u901a\u7ec4\u7f51\u56fe<\/span><\/p>\n

\u4e8c\u3001\u539f\u56e0\u5206\u6790<\/span><\/h1>\n

Switch_1\u4e0a\u5b58\u5728\u6e90MAC\u56fa\u5b9a\u7684ARP\u653b\u51fb\u5bfc\u81f4\u7528\u6237\u65e0\u6cd5\u8fdb\u884c\u6b63\u5e38ARP\u4ea4\u4e92\u3002<\/p>\n

\u4e09\u3001\u5904\u7406\u6b65\u9aa4<\/span><\/h1>\n

\u5728Switch_1\u4e0a\u6267\u884c\u4ee5\u4e0b\u64cd\u4f5c\uff1a<\/p>\n

3.1 \u67e5\u770b\u8bbe\u5907CPU\u5360\u7528\u7387\uff0c\u5224\u65adCPU\u5360\u7528\u7387\u8f83\u9ad8\u3002<\/p>\n

<Switch_1>\u00a0<\/span>display\u00a0cpu-usage<\/span>\r\nCPU\u00a0Usage\u00a0Stat.\u00a0Cycle:\u00a010\u00a0(Second)\r\nCPU\u00a0Usage\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0:\u00a0<\/span>82%<\/span><\/strong>\u00a0Max:\u00a099%\r\nCPU\u00a0Usage\u00a0Stat.\u00a0Time\u00a0:\u00a02010-12-18\u00a0\u00a015:35:56\r\nCPU\u00a0utilization\u00a0for<\/span>\u00a0five\u00a0seconds:\u00a068%:\u00a0one\u00a0minute:\u00a060%:\u00a0five\u00a0minutes:\u00a055%.<\/span>\r\n<\/code><\/pre>\n
\u53d1\u73b0CPU\u5360\u7528\u7387\u8fbe\u523082%\u3002<\/p>\n
3.2 \u67e5\u770b\u5b58\u5728\u4e34\u65f6ARP\u8868\u9879\uff0c\u521d\u6b65\u5224\u65ad\u8bbe\u5907\u7684ARP\u8868\u9879\u5b66\u4e60\u5b58\u5728\u95ee\u9898\u3002<\/p>\n
<Switch_1>\u00a0<\/span>display\u00a0arp<\/span>\r\nIP\u00a0ADDRESS\u00a0\u00a0MAC\u00a0ADDRESS\u00a0EXPIRE(M)\u00a0TYPE\u00a0VPN-INSTANCE\u00a0\u00a0\u00a0INTERFACE\r\nVLAN\/CEVLAN\r\n------------------------------------------------------------------------------------------------------\r\n10.137.222.139\u00a0\u00a000e0-fc01-4422\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0I\u00a0-\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Eth0\/0\/0\r\n10.137.222.1\u00a0\u00a0\u00a0\u00a00025-9e36-e8c1\u00a0\u00a020\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0D-0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Eth0\/0\/0\r\n10.137.222.100\u00a0\u00a00025-9e80-b278\u00a0\u00a06\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0D-0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Eth0\/0\/0\r\n10.137.222.99\u00a0\u00a0\u00a000e0-4c77-b0e1\u00a0\u00a09\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0D-0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Eth0\/0\/0\r\n10.137.222.173\u00a0\u00a0000f-3d80-cba4\u00a0\u00a018\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0D-0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Eth0\/0\/0\r\n10.137.222.34\u00a0\u00a0\u00a00025-9e36-e8c1\u00a0\u00a01\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0D-0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Eth0\/0\/0\r\n10.137.222.172\u00a0\u00a00016-ec71-ea8c\u00a0\u00a07\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0D-0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Eth0\/0\/0\r\n10.137.222.35\u00a0\u00a0\u00a00025-9e36-e8c1\u00a0\u00a018\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0D-0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Eth0\/0\/0\r\n10.137.222.179\u00a0\u00a00014-2ae2-3128\u00a0\u00a020\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0D-0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Eth0\/0\/0\r\n10.137.222.38\u00a0\u00a0\u00a00025-9e36-e8c1\u00a0\u00a017\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0D-0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Eth0\/0\/0\r\n10.137.222.175\u00a0\u00a00014-2261-2b22\u00a0\u00a01\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0D-0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Eth0\/0\/0\r\n10.1.1.3\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>Incomplete\u00a0<\/span>\u00a0\u00a0\u00a0\u00a0\u00a01\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0D-0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0GE5\/0\/0\r\n500\/-\r\n10.1.1.2\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>Incomplete<\/span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a01\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0D-0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0GE5\/0\/0\r\n500\/-\r\n172.31.255.255\u00a0\u00a000e0-fc01-4422\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0I\u00a0-\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Vlanif6\r\n10.0.0.139\u00a0\u00a0\u00a0\u00a0\u00a0\u00a000e0-fc01-4422\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0I\u00a0-\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Vlanif10\r\n172.16.0.4\u00a0\u00a0\u00a0\u00a0\u00a0\u00a000e0-fc01-4422\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0I\u00a0-\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Vlanif192\r\n20.1.1.1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a000e0-fc01-4422\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0I\u00a0-\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Vlanif200\r\n192.168.2.2\u00a0\u00a0\u00a0\u00a0\u00a000e0-fc01-4422\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0I\u00a0-\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Vlanif100\r\n------------------------------------------------------------------------------------------------------\r\nTotal:16\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Dynamic:10\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Static:0\u00a0\u00a0\u00a0\u00a0Interface:6<\/span>\r\n<\/code><\/pre>\n
\u53d1\u73b0\u6709\u4e24\u6761ARP\u8868\u9879\u7684\u201cMAC ADDRESS\u201d\u5b57\u6bb5\u4e3a\u201cIncomplete\u201d\u5373\u4e3a\u4e34\u65f6\u8868\u9879\uff0c\u8868\u793a\u6709ARP\u8868\u9879\u5b66\u4e60\u4e0d\u5230\u3002<\/p>\n
3.3 \u5224\u65ad\u8bbe\u5907\u6b63\u906d\u53d7ARP\u653b\u51fb\u3002<\/p>\n
a\u3001\u7531\u4e8e\u6709\u672a\u5b66\u4e60\u5230\u7684ARP\u8868\u9879\uff0c\u67e5\u770b\u4e0a\u9001CPU\u7684ARP-Request\u62a5\u6587\u7edf\u8ba1\u4fe1\u606f\u3002<\/p>\n
<Switch_1><\/span>display\u00a0cpu-defend\u00a0arp-request\u00a0statistics\u00a0all<\/span>\r\nStatistics\u00a0on\u00a0mainboard:\r\n------------------------------------------------------------------------------------------------------------------\r\nPacket\u00a0Type\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Pass(Bytes)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Drop(Bytes)\u00a0\u00a0\u00a0Pass(Packets)\u00a0\u00a0\u00a0\u00a0\u00a0Drop(Packets)\r\n-----------------------------------------------------------------------------------------------------------------\r\narp-request\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a067908288\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a00\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a01061067\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a00\r\n------------------------------------------------------------------------------------------------------------------\r\nStatistics\u00a0on\u00a0slot\u00a04:\r\n------------------------------------------------------------------------------------------------------------------\r\nPacket\u00a0Type\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Pass(Bytes)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Drop(Bytes)\u00a0\u00a0\u00a0Pass(Packets)\u00a0\u00a0\u00a0\u00a0\u00a0Drop(Packets)\r\n------------------------------------------------------------------------------------------------------------------\r\narp-request\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a080928\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a044380928<\/span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a02301\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0693450<\/span>\r\n------------------------------------------------------------------------------------------------------------------\r\nStatistics\u00a0on\u00a0slot\u00a05:\r\n------------------------------------------------------------------------------------------------------------------\r\nPacket\u00a0Type\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Pass(Bytes)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Drop(Bytes)\u00a0\u00a0\u00a0Pass(Packets)\u00a0\u00a0\u00a0\u00a0\u00a0Drop(Packets)\r\n------------------------------------------------------------------------------------------------------------------\r\narp-request\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0N\/A\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0N\/A\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a00\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a00\r\n------------------------------------------------------------------------------------------------------------------\r\nStatistics\u00a0on\u00a0slot\u00a06:\r\n------------------------------------------------------------------------------------------------------------------\r\nPacket\u00a0Type\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Pass(Bytes)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Drop(Bytes)\u00a0\u00a0\u00a0Pass(Packets)\u00a0\u00a0\u00a0\u00a0\u00a0Drop(Packets)\r\n------------------------------------------------------------------------------------------------------------------\r\narp-request\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0N\/A\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0N\/A\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a00\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a00\r\n------------------------------------------------------------------------------------------------------------------<\/span>\r\n<\/code><\/pre>\n
\u53d1\u73b0\u4ea4\u6362\u673a\u76844\u53f7\u5355\u677f\u4e0a\u5b58\u5728\u5927\u91cfARP-Request\u62a5\u6587\u4e22\u5305\u3002<\/p>\n
b\u3001\u914d\u7f6e\u653b\u51fb\u6eaf\u6e90\u8bc6\u522b\u653b\u51fb\u6e90\u3002<\/p>\n
<Switch_1><\/span>system-view<\/span>\r\n[Switch_1]<\/span>cpu-defend\u00a0policy\u00a0policy1<\/span>\r\n[Switch_1-cpu-defend-policy-policy1]<\/span>auto-defend\u00a0enable<\/span><\/span>\r\n[Switch_1-cpu-defend-policy-policy1]<\/span>auto-defend\u00a0attack-packet\u00a0sample\u00a05\u00a0\u00a0<\/span>\r\n\/\/\u6bcf5\u4e2a\u62a5\u6587\u62bd\u6837\u8bc6\u522b\u4e00\u6b21\uff0c\u62bd\u6837\u503c\u8fc7\u5c0f\u4f1a\u6d88\u8017\u8fc7\u591aCPU\r\n[Switch_1-cpu-defend-policy-policy1]<\/span>auto-defend\u00a0threshold\u00a030\u00a0\u00a0<\/span>\r\n\/\/\u62a5\u6587\u8fbe30pps\u5373\u88ab\u8bc6\u522b\u4e3a\u653b\u51fb\uff0c\u82e5\u653b\u51fb\u6e90\u8f83\u591a\u53ef\u8c03\u4f4e\u8be5\u503c\r\n[Switch_1-cpu-defend-policy-policy1]<\/span>undo\u00a0auto-defend\u00a0trace-type\u00a0source<\/span>-ip\u00a0source<\/span>-portvlan\u00a0\u00a0<\/span>\r\n\/\/\u57fa\u4e8e\u6e90MAC\u8fdb\u884c\u653b\u51fb\u6e90\u8bc6\u522b\r\n[Switch_1-cpu-defend-policy-policy1]<\/span>undo\u00a0auto-defend\u00a0protocol\u00a08021x\u00a0dhcp\u00a0icmp\u00a0igmp\u00a0tcp\u00a0telnet\u00a0ttl-expired\u00a0udp<\/span>\u00a0\u00a0\r\n\/\/\u9488\u5bf9ARP\u653b\u51fb\u8fdb\u884c\u8bc6\u522b\r\n[Switch_1-cpu-defend-policy-policy1]<\/span>quit<\/span>\r\n[Switch_1]<\/span>cpu-defend-policy\u00a0policy1<\/span>\r\n[Switch_1]<\/span>cpu-defend-policy\u00a0policy1\u00a0global<\/span>\r\n<\/code><\/pre>\n
c\u3001\u67e5\u770b\u653b\u51fb\u6e90\u4fe1\u606f\u3002<\/p>\n
[Switch_1]<\/span>display\u00a0auto-defend\u00a0attack-source<\/span>\r\nAttack\u00a0Source\u00a0User\u00a0Table\u00a0(MPU):\r\n------------------------------------------------------------------------------------------------\r\nMacAddress\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0InterfaceName\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Vlan:Outer\/Inner\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0TOTAL\r\n------------------------------------------------------------------------------------------------\r\n0000-0000-00db\u00a0\u00a0\u00a0GigabitEthernet2\/0\/22\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0193\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0416\r\n------------------------------------------------------------------------------------------------<\/span>\r\n<\/code><\/pre>\n
\u53d1\u73b0\u653b\u51fb\u6e90\u7684MAC\u5730\u5740\u4e3a0000-0000-00db<\/span>\uff0c\u4f4d\u4e8eGigabitEthernet2\/0\/22\u7aef\u53e3\u3002<\/p>\n
\u5982\u679c\u8be5MAC\u6709\u5bf9\u5e94ARP\uff0c\u8fd8\u53ef\u4ee5\u6267\u884c\u547d\u4ee4display arp | include 0000-0000-00db\u67e5\u8be2\u5bf9\u5e94\u7684IP\u3002<\/p>\n
\u56db\u3001\u89e3\u51b3\u65b9\u6848<\/span><\/h1>\n
1\u3001\u914d\u7f6e\u9ed1\u540d\u5355\u3002<\/p>\n
#<\/span>\r\nacl\u00a0number\u00a04000\r\n\u00a0rule\u00a010\u00a0permit\u00a0type<\/span>\u00a00806\u00a0ffff\u00a0source<\/span>-mac\u00a00000-0000-00db\u00a0ffff-ffff-ffff\r\n#<\/span>\r\ncpu-defend\u00a0policy\u00a01\r\n\u00a0blacklist\u00a01\u00a0acl\u00a04000\u00a0\r\n\/\/\u9488\u5bf9\u6765\u81ea\u7279\u5b9a\u7528\u6237\u6076\u610f\u62a5\u6587\u7684\u653b\u51fb\uff0c\u8bbe\u5907\u901a\u8fc7ACL\u628a\u7b26\u5408\u7279\u5b9a\u7279\u5f81\u7684\u7528\u6237\u7eb3\u5165\u5230\u9ed1\u540d\u5355\u4e2d\uff0c\u88ab\u7eb3\u5165\u9ed1\u540d\u5355\u7684\u7528\u6237\u6240\u53d1\u7684\u62a5\u6587\u5230\u8fbe\u8bbe\u5907\u540e\u5747\u4f1a\uff08\u516c\u4f17\u53f7\uff1a\u7f51\u7edc\u5de5\u00a0\u7a0b\u5e08\u963f\u00a0\u9f99\uff09\u88ab\u4e22\u5f03\r\n#<\/span>\r\ncpu-defend-policy\u00a01\u00a0\r\ncpu-defend-policy\u00a01\u00a0global\r\n#<\/span><\/span>\r\n<\/code><\/pre>\n
2\u3001\u914d\u7f6e\u653b\u51fb\u6eaf\u6e90\u7684\u60e9\u7f5a\u529f\u80fd\u3002<\/p>\n
#\u00a0<\/span>\r\ncpu-defend\u00a0policy\u00a0policy1\u00a0\r\n\u00a0auto-defend\u00a0enable<\/span>\u00a0\r\n\u00a0auto-defend\u00a0threshold\u00a030\u00a0\r\n\u00a0undo\u00a0auto-defend\u00a0trace-type\u00a0source<\/span>-ip\u00a0source<\/span>-portvlan\u00a0\r\n\u00a0undo\u00a0auto-defend\u00a0protocol\u00a08021x\u00a0dhcp\u00a0icmp\u00a0igmp\u00a0tcp\u00a0telnet\u00a0ttl-expired\u00a0udp\r\n\u00a0auto-defend\u00a0action\u00a0deny\u00a0\u00a0\r\n\/\/\u4f7f\u80fd\u653b\u51fb\u6eaf\u6e90\u7684\u60e9\u7f5a\u529f\u80fd\uff0c\u5e76\u6307\u5b9a\u60e9\u7f5a\u63aa\u65bd\u3002\u5728\u9ed8\u8ba4\u60e9\u7f5a\u65f6\u95f4300s\u5185\uff0c\u5c06\u8bc6\u522b\u4e3a\u653b\u51fb\u7684\u62a5\u6587\u5168\u90e8\u4e22\u5f03\r\n#<\/span>\r\n\u00a0cpu-defend-policy\u00a0policy1\u00a0global\u00a0\r\n\u00a0cpu-defend-policy\u00a0policy1\u00a0\r\n# <\/span><\/span><\/code><\/pre>\n<\/section>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
\u4e00\u3001\u73b0\u8c61\u63cf\u8ff0 \u5982\u56fe1\u6240\u793a\uff0cSwitch\u4e3a\u7f51\u5173\uff0cSwitch_1\uff08\u6846\u5f0f\u4ea4\u6362\u673a\uff09\u7ecf\u5e38\u8131\u7ba1\uff0c\u4e14Switch_1\u4e0b\u7528\u6237 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[],"class_list":["post-5468","post","type-post","status-publish","format-standard","hentry","category-hw"],"_links":{"self":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts\/5468","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5468"}],"version-history":[{"count":1,"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts\/5468\/revisions"}],"predecessor-version":[{"id":5829,"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts\/5468\/revisions\/5829"}],"wp:attachment":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5468"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5468"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5468"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}