iptables -L -n | grep -i icmp\r\n<\/pre>\n<\/li>\n
\u4f7f\u7528ip link show<\/code>\u9a8c\u8bc1\u7f51\u7edc\u8def\u5f84\u4e2d\u7684MTU\u8bbe\u7f6e\u3002<\/li>\n
\u901a\u8fc7\u5bf9\u6bd4\u5df2\u5b89\u88c5\u7248\u672c\u4e0eCUDA\u5de5\u5177\u5305\u8981\u6c42\uff0c\u68c0\u67e5\u9a71\u52a8\u7a0b\u5e8f\u662f\u5426\u4e0d\u5339\u914d\u3002<\/li>\n<\/ul>\n<\/li>\n
\u653b\u51fb\u7f13\u89e3<\/strong>\n
\n
\u4f7f\u7528iptables -A INPUT -p tcp --syn -m limit --limit 1\/s -j ACCEPT<\/code>\u90e8\u7f72SYN\u6570\u636e\u5305\u901f\u7387\u9650\u5236\u3002<\/li>\n
\u5728\u5173\u952e\u8282\u70b9\u4e0a\u901a\u8fc7arp -s <gateway-IP> <gateway-MAC><\/code>\u542f\u7528ARP\u6b3a\u9a97\u9632\u62a4\u3002<\/li>\n
\u82e5\u6d41\u91cf\u8d85\u8fc710Gbps\u9608\u503c\uff0c\u542f\u7528\u4e91\u670d\u52a1\u5546\u7684DDoS\u6e05\u6d17\u670d\u52a1\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text css=””]<\/p>\n
\u4e3b\u52a8\u7ef4\u62a4\u4e0e\u4f18\u5316<\/strong><\/h2>\n
\u901a\u8fc7\u4ee5\u4e0b\u7b56\u7565\u6027\u63aa\u65bd\u9884\u9632\u672a\u6765\u7684\u5ef6\u8fdf\u95ee\u9898\uff1a<\/p>\n
\n
\u6563\u70ed\u7ba1\u7406<\/strong>\n
\n
\u4e3a\u5355\u5361\u529f\u8017\u8d85\u8fc7300W\u7684GPU\u96c6\u7fa4\u90e8\u7f72\u6db2\u51b7\u65b9\u6848\u3002\u51b7\u677f\u5f0f\u548c\u6d78\u6ca1\u5f0f\u51b7\u5374\u7b49\u65b9\u6848\u53ef\u5c06\u70ed\u8282\u6d41\u51cf\u5c1140%\u3002<\/li>\n
\u4f7f\u7528ipmitool<\/code>\u914d\u7f6e\u98ce\u6247\u66f2\u7ebf\uff0c\u5c06GPU\u6e29\u5ea6\u7ef4\u6301\u572885\u00b0C\u4ee5\u4e0b\uff1a\n
ipmitool raw 0x30 0x30 0x02 0xff 0x01\r\n<\/pre>\n<\/li>\n<\/ul>\n<\/li>\n
\u7f51\u7edc\u5197\u4f59<\/strong>\n
\n
\u90e8\u7f72\u591a\u8def\u5f84TCP\uff08MPTCP\uff09\uff0c\u5c06\u591a\u4e2a\u7f51\u5361\u7ed1\u5b9a\u4e3a\u5355\u4e00\u903b\u8f91\u63a5\u53e3\u3002<\/li>\n
\u914d\u7f6e\u57fa\u4e8eBGP\u7684\u8d1f\u8f7d\u5747\u8861\uff0c\u5728\u5197\u4f59\u4e0a\u884c\u94fe\u8def\u95f4\u5206\u914d\u6d41\u91cf\u3002<\/li>\n<\/ul>\n<\/li>\n
\u81ea\u52a8\u5316\u76d1\u63a7<\/strong>\n
\n
\u4e3aGPU\u6307\u6807\uff08\u5982nvidia_smi_temperature_gpu<\/code>\u548cnvidia_smi_power_draw<\/code>\uff09\u8bbe\u7f6ePrometheus\u5bfc\u51fa\u5668\u3002<\/li>\n
\u4f7f\u7528Grafana\u4eea\u8868\u677f\u53ef\u89c6\u5316\u5ef6\u8fdf\u8d8b\u52bf\uff0c\u5e76\u9488\u5bf9\u9608\u503c\uff08\u5982\u5e73\u5747RTT\uff1e50ms\uff09\u89e6\u53d1\u8b66\u62a5\u3002<\/li>\n<\/ul>\n<\/li>\n
\u8f6f\u4ef6\u8865\u4e01<\/strong>\n
\n
\u4f7f\u7528yum-cron<\/code>\u6216apt-listchanges<\/code>\u81ea\u52a8\u5316\u5185\u6838\u66f4\u65b0\u3002<\/li>\n
\u901a\u8fc7nvidia-driver-updater<\/code>\u5b9a\u671f\u66f4\u65b0GPU\u9a71\u52a8\u7a0b\u5e8f\uff0c\u4ee5\u5229\u7528\u6027\u80fd\u4f18\u5316\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text css=””]<\/p>\n
\u9ad8\u7ea7\u4f18\u5316\u7b56\u7565<\/strong><\/h2>\n
\u5bf9\u4e8e\u5173\u952e\u4efb\u52a1\u73af\u5883\uff0c\u53ef\u8003\u8651\u4ee5\u4e0b\u524d\u6cbf\u6280\u672f\uff1a<\/p>\n
\n
\u878d\u5408\u4ee5\u592a\u7f51RDMA\uff08RoCE\uff09<\/strong>\n
\n
\u5728\u517c\u5bb9\u7f51\u5361\uff08\u5982ConnectX-6\uff09\u4e0a\u542f\u7528RoCEv2\uff0c\u5b9e\u73b0GPU\u95f4\u901a\u4fe1\u7684\u4e9a10\u5fae\u79d2\u5ef6\u8fdf\u3002<\/li>\n
\u4f7f\u7528tc<\/code>\u914d\u7f6eQoS\u7b56\u7565\uff0c\u4f18\u5148\u5904\u7406RoCE\u6d41\u91cf\u800c\u975e\u4f20\u7edfTCP\u6d41\u91cf\u3002<\/li>\n<\/ul>\n<\/li>\n
\u7f51\u7edc\u529f\u80fd\u865a\u62df\u5316\uff08NFV\uff09<\/strong>\n
\n
\u5728\u4e13\u7528GPU\u5b9e\u4f8b\u4e0a\u90e8\u7f72\u865a\u62df\u5316\u9632\u706b\u5899\u548c\u8d1f\u8f7d\u5747\u8861\u5668\uff0c\u5b9e\u73b0\u9ad8\u541e\u5410\u91cf\u6570\u636e\u5305\u5904\u7406\u3002<\/li>\n
\u4f7f\u7528\u5e26DPDK\u52a0\u901f\u7684Open vSwitch\uff08OVS\uff09\u7ed5\u8fc7\u5185\u6838\u7f51\u7edc\u6808\u3002<\/li>\n<\/ul>\n<\/li>\n
\u673a\u5668\u5b66\u4e60\u9a71\u52a8\u7684\u9884\u6d4b\u6027\u7ef4\u62a4<\/strong>\n
\n
\u57fa\u4e8e\u5386\u53f2\u5ef6\u8fdf\u6570\u636e\u8bad\u7ec3\u6a21\u578b\uff0c\u9884\u6d4b\u786c\u4ef6\u6545\u969c\u3002TensorFlow Extended\uff08TFX\uff09\u7b49\u5de5\u5177\u53ef\u7b80\u5316\u5f02\u5e38\u68c0\u6d4b\u6d41\u7a0b\u3002<\/li>\n
\u5c06\u9884\u6d4b\u6d1e\u5bdf\u4e0eCMDB\u7cfb\u7edf\u96c6\u6210\uff0c\u5b9e\u73b0\u7ec4\u4ef6\u66f4\u6362\u8ba1\u5212\u7684\u81ea\u52a8\u5316\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
\u901a\u8fc7\u5c06\u7cfb\u7edf\u5316\u6545\u969c\u6392\u9664\u4e0e\u524d\u77bb\u6027\u57fa\u7840\u8bbe\u65bd\u8bbe\u8ba1\u76f8\u7ed3\u5408\uff0c\u53ef\u5c06GPU\u5bc6\u96c6\u578b\u5de5\u4f5c\u8d1f\u8f7d\u7684\u5ef6\u8fdf\u7ef4\u6301\u572820ms\u4ee5\u4e0b\u3002\u65e0\u8bba\u662f\u89e3\u51b3\u7d27\u6025\u95ee\u9898\u8fd8\u662f\u4f18\u5316\u957f\u671f\u6027\u80fd\uff0c\u8fd9\u4e9b\u7b56\u7565\u90fd\u80fd\u786e\u4fddGPU\u670d\u52a1\u5668\u63d0\u4f9b\u7a33\u5b9a\u7684\u9ad8\u6027\u80fd\u8ba1\u7b97\u80fd\u529b\u3002\u4fdd\u6301\u4e3b\u52a8\u9632\u8303\u3001\u4e25\u683c\u76d1\u63a7\uff0c\u5e76\u5229\u7528\u9ad8\u7ea7\u5de5\u5177\uff0c\u8ba9\u4f60\u7684\u57fa\u7840\u8bbe\u65bd\u4ece\u5bb9\u5e94\u5bf9\u5ef6\u8fdf\u6311\u6218\u3002<\/p>\n
[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"
[vc_row el_class=”blog-detail-section”][vc_column][vc_column_text css=””] \u5bf9\u4e8e\u7ba1\u7406GPU\u52a0\u901f\u57fa\u7840\u8bbe\u65bd\u7684\u6280\u672f\u4eba\u5458\u800c\u8a00\uff0c\u7a81\u53d1\u7684Ping\u5ef6\u8fdf\u66b4\u589e\u53ef\u80fd\u4f1a\u5e72\u6270AI\u8bad\u7ec3\u30013D\u6e32\u67d3\u548c\u91d1\u878d\u5efa\u6a21\u7b49\u5173\u952e\u5de5\u4f5c\u8d1f\u8f7d\u3002\u65e0\u8bba\u4f60\u8fd0\u884c\u7684\u662f\u72ec\u7acb\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u8fd8\u662f\u670d\u52a1\u5668\u6258\u7ba1\u73af\u5883\uff0c\u89e3\u51b3\u5ef6\u8fdf\u5cf0\u503c\u90fd\u9700\u8981\u7cfb\u7edf\u5316\u7684\u65b9\u6cd5\u3002\u672c\u6587\u6df1\u5165\u63a2\u8ba8\u8bca\u65ad\u548c\u89e3\u51b3GPU\u670d\u52a1\u5668Ping\u95ee\u9898\u7684\u6280\u672f\u7ec6\u8282\uff0c\u5e76\u7ed3\u5408\u5b9e\u9645\u6545\u969c\u6392\u9664\u65b9\u6cd5\u548c\u9ad8\u7ea7\u7f13\u89e3\u7b56\u7565\u3002 [\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text css=””] GPU\u670d\u52a1\u5668Ping\u5ef6\u8fdf\u66b4\u589e\u7684\u5e38\u89c1\u539f\u56e0 \u5728\u7740\u624b\u4fee\u590d\u4e4b\u524d\uff0c\u6709\u5fc5\u8981\u4e86\u89e3\u6f5c\u5728\u539f\u56e0\u3002\u4ee5\u4e0b\u662f\u4e3b\u8981\u56e0\u7d20\u7684\u8be6\u7ec6\u5206\u6790\uff1a \u7f51\u7edc\u62e5\u5835\uff1a\u5e76\u884c\u6570\u636e\u4f20\u8f93\u6216\u914d\u7f6e\u4e0d\u5f53\u7684QoS\u8bbe\u7f6e\u5bfc\u81f4\u5e26\u5bbd\u8fc7\u5ea6\u5360\u7528\uff0c\u53ef\u80fd\u4f1a\u6291\u5236GPU\u4e0e\u8282\u70b9\u95f4\u7684\u901a\u4fe1\u3002ethtool\u548cnload\u7b49\u5de5\u5177\u53ef\u5e2e\u52a9\u8bc6\u522b\u6d41\u91cf\u74f6\u9888\u3002 \u786c\u4ef6\u8001\u5316\uff1a\u6545\u969c\u7684\u7f51\u5361\uff08NIC\uff09\u3001\u8fc7\u70ed\u7684GPU\u6216\u5931\u6548\u7684\u5185\u5b58\u6a21\u5757\u4f1a\u964d\u4f4e\u6027\u80fd\u3002\u4f7f\u7528nvidia-smi -q\u76d1\u63a7GPU\u5065\u5eb7\u6307\u6807\uff0c\u5982\u6e29\u5ea6\u548c\u529f\u8017\u3002 \u8f6f\u4ef6\u914d\u7f6e\u9519\u8bef\uff1a\u4e0d\u6b63\u786e\u7684MTU\u8bbe\u7f6e\u3001\u963b\u585eICMP\u7684\u9632\u706b\u5899\u89c4\u5219\u6216\u8fc7\u65f6\u7684\u9a71\u52a8\u7a0b\u5e8f\u4f1a\u5e72\u6270\u7f51\u7edc\u5ef6\u8fdf\u3002\u4f7f\u7528ip addr show\u548csysctl -a\u9a8c\u8bc1\u534f\u8bae\u914d\u7f6e\u3002 \u6076\u610f\u653b\u51fb\uff1aDDoS\u6d2a\u6c34\u653b\u51fb\u6216ARP\u6b3a\u9a97\u53ef\u80fd\u4f1a\u538b\u57ae\u7f51\u7edc\u63a5\u53e3\u3002\u90e8\u7f72\u6d41\u91cf\u955c\u50cf\u548c\u5165\u4fb5\u68c0\u6d4b\u7cfb\u7edf\uff08IDS\uff09\u53ef\u63d0\u4f9b\u5b9e\u65f6\u653b\u51fb\u53ef\u89c1\u6027\u3002 [\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text css=””] \u5206\u6b65\u7d27\u6025\u6545\u969c\u6392\u9664 \u91c7\u7528\u4ee5\u4e0b\u7ed3\u6784\u5316\u65b9\u6cd5\u5feb\u901f\u9694\u79bb\u5e76\u89e3\u51b3\u5ef6\u8fdf\u95ee\u9898\uff1a \u7f51\u7edc\u8def\u5f84\u5206\u6790 \u8fd0\u884cping -c 1000 <target-IP>\u6d4b\u91cf\u4e22\u5305\u7387\u548c\u6296\u52a8\u3002 \u4f7f\u7528traceroute\u6216mtr\u8bc6\u522b\u5b58\u5728\u5f02\u5e38\u5ef6\u8fdf\u7684\u8282\u70b9\u3002\u4f8b\u5982\uff1a mtr –report-wide –no-dns 192.168.1.1 \u901a\u8fc7SNMP\u67e5\u8be2\u68c0\u67e5\u4ea4\u6362\u673a\u7aef\u53e3\u7edf\u8ba1\u4fe1\u606f\uff0c\u67e5\u770b\u662f\u5426\u6709CRC\u9519\u8bef\u6216\u4e22\u5305\u3002 GPU\u5065\u5eb7\u8bca\u65ad \u6267\u884cnvidia-smi -q -d SUPPORTED_CLOCKS\u9a8c\u8bc1GPU\u65f6\u949f\u901f\u5ea6\u3002 \u4f7f\u7528dmidecode -t 16\u76d1\u63a7ECC\u5185\u5b58\u9519\u8bef\uff0c\u5e76\u67e5\u770b\/var\/log\/nvidia-gpu.log\u4e2d\u7684GPU\u7279\u5b9a\u65e5\u5fd7\u3002 \u4f7f\u7528lspci -vvv\u6d4b\u8bd5PCIe\u603b\u7ebf\u5b8c\u6574\u6027\uff0c\u68c0\u6d4b\u94fe\u8def\u5bbd\u5ea6\u534f\u5546\u5931\u8d25\u95ee\u9898\u3002 \u8f6f\u4ef6\u914d\u7f6e\u5ba1\u8ba1 \u68c0\u67e5iptables\/ufw\u89c4\u5219\u4e2d\u7684ICMP\u9650\u5236\uff1a iptables -L -n | grep -i icmp \u4f7f\u7528ip link show\u9a8c\u8bc1\u7f51\u7edc\u8def\u5f84\u4e2d\u7684MTU\u8bbe\u7f6e\u3002 […]<\/p>\n
Read More…<\/a><\/p>\n","protected":false},"author":1,"featured_media":24716,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4816],"tags":[7871,7872,7868,7869,7870],"class_list":["post-24719","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-america-dedicated-server-sc","tag-ddos-attack-mitigation-sc","tag-gpu-thermal-optimization-sc","tag-gpu-server-ping-delay-sc","tag-emergency-troubleshooting-sc","tag-network-congestion-sc"],"acf":[],"yoast_head":"\n