{"id":503,"date":"2024-09-30T02:55:15","date_gmt":"2024-09-30T02:55:15","guid":{"rendered":"https:\/\/blog.devops955.com\/swain\/?p=503"},"modified":"2024-09-30T02:55:15","modified_gmt":"2024-09-30T02:55:15","slug":"ccnp-encor-part-4","status":"publish","type":"post","link":"https:\/\/blog.devops955.com\/swain\/zh\/2024\/09\/30\/ccnp-encor-part-4\/","title":{"rendered":"CCNP ENCOR 350-401 \u2013 Part 4"},"content":{"rendered":"<blockquote>\n<p>\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4: 4\u5206\u949f<\/p>\n<\/blockquote>\n<h1><strong>Network Assurance\uff0810%\uff09<\/strong><\/h1>\n<h2>\u4f7f\u7528\u8c03\u8bd5\u5de5\u5177\u8bca\u65ad\u7f51\u7edc\u95ee\u9898<\/h2>\n<ul>\n<li><strong>debugs<\/strong>\uff1a\u7406\u89e3\u5982\u4f55\u4f7f\u7528<code>debug<\/code>\u547d\u4ee4\u6765\u5b9e\u65f6\u76d1\u63a7\u548c\u8bca\u65ad\u7f51\u7edc\u95ee\u9898\uff0c\u5982<code>debug ip packet<\/code>\u3001<code>debug ip routing<\/code>\u7b49\u3002\u4e86\u89e3\u5176\u6f5c\u5728\u7684\u6027\u80fd\u5f71\u54cd\u3002<\/li>\n<li><strong>conditional debugs<\/strong>\uff1a\u5b66\u4e60\u5982\u4f55\u8bbe\u7f6e\u6761\u4ef6\u8c03\u8bd5\u6765\u8fc7\u6ee4\u548c\u4e13\u6ce8\u4e8e\u7279\u5b9a\u6d41\u91cf\u6216\u4e8b\u4ef6\uff0c\u4ee5\u51cf\u5c11<code>debug<\/code>\u547d\u4ee4\u7684\u5f71\u54cd\u3002<\/li>\n<li><strong>traceroute<\/strong>\uff1a\u638c\u63e1\u5982\u4f55\u4f7f\u7528<code>traceroute<\/code>\u547d\u4ee4\u6765\u8bca\u65ad\u7f51\u7edc\u8def\u5f84\u95ee\u9898\uff0c\u7406\u89e3\u4e0d\u540c\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8be5\u547d\u4ee4\u7684\u53d8\u79cd\u53ca\u5176\u8f93\u51fa\u7684\u89e3\u91ca\u3002<\/li>\n<li><strong>ping<\/strong>\uff1a\u719f\u7ec3\u4f7f\u7528<code>ping<\/code>\u547d\u4ee4\u6765\u6d4b\u8bd5\u8fde\u901a\u6027\u548c\u5ef6\u8fdf\uff0c\u4e86\u89e3\u5982\u4f55\u89e3\u91caTTL\u3001\u5ef6\u8fdf\u65f6\u95f4\u548c\u4e22\u5305\u60c5\u51b5\u3002<\/li>\n<li><strong>SNMP<\/strong>\uff1a\u4e86\u89e3\u7b80\u5355\u7f51\u7edc\u7ba1\u7406\u534f\u8bae\uff08SNMP\uff09\uff0c\u5305\u62ec\u5176\u7ed3\u6784\uff08\u5982MIBs\uff0cOIDs\uff09\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528SNMP\u5de5\u5177\uff08\u5982snmpwalk\uff09\u6765\u76d1\u63a7\u548c\u7ba1\u7406\u7f51\u7edc\u8bbe\u5907\u3002<\/li>\n<li><strong>syslog<\/strong>\uff1a\u914d\u7f6e\u5e76\u89e3\u91casyslog\u6d88\u606f\uff0c\u4e86\u89e3\u4e0d\u540c\u4e25\u91cd\u7b49\u7ea7\uff08emergencies, alerts, critical, errors, warnings, notifications, informational, debugging\uff09\u7684\u542b\u4e49\u3002<\/li>\n<\/ul>\n<h2>\u914d\u7f6e\u548c\u9a8c\u8bc1 Flexible NetFlow<\/h2>\n<ul>\n<li><strong>\u57fa\u672c\u6982\u5ff5<\/strong>\uff1a\u7406\u89e3Flexible NetFlow\u7684\u6982\u5ff5\u3001\u4f18\u52bf\u4ee5\u53ca\u4e0e\u4f20\u7edfNetFlow\u7684\u533a\u522b\u3002<\/li>\n<li><strong>\u914d\u7f6e\u6b65\u9aa4<\/strong>\uff1a\u5b66\u4e60\u5982\u4f55\u914d\u7f6eFlexible NetFlow\uff0c\u5305\u62ec\u5b9a\u4e49\u6d41\u8bb0\u5f55\uff08flow record\uff09\u3001\u6d41\u5bfc\u51fa\uff08flow exporter\uff09\u548c\u6d41\u76d1\u63a7\uff08flow monitor\uff09\u3002<\/li>\n<li><strong>\u9a8c\u8bc1\u65b9\u6cd5<\/strong>\uff1a\u638c\u63e1\u5982\u4f55\u4f7f\u7528\u547d\u4ee4\u9a8c\u8bc1NetFlow\u914d\u7f6e\uff0c\u5982<code>show flow monitor<\/code>\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u5de5\u5177\u5206\u6790NetFlow\u6570\u636e\u3002<\/li>\n<\/ul>\n<h2>\u914d\u7f6e SPAN\/RSPAN\/ERSPAN<\/h2>\n<ul>\n<li><strong>SPAN<\/strong>\uff1a\u5b66\u4e60\u672c\u5730\u7aef\u53e3\u955c\u50cf\uff08SPAN\uff09\u7684\u914d\u7f6e\uff0c\u7528\u4e8e\u5728\u540c\u4e00\u4ea4\u6362\u673a\u4e0a\u6355\u83b7\u6d41\u91cf\u3002<\/li>\n<li><strong>RSPAN<\/strong>\uff1a\u638c\u63e1\u8fdc\u7a0b\u7aef\u53e3\u955c\u50cf\uff08RSPAN\uff09\u7684\u914d\u7f6e\uff0c\u7528\u4e8e\u8de8\u4ea4\u6362\u673a\u6355\u83b7\u6d41\u91cf\uff0c\u901a\u8fc7VLAN\u4f20\u8f93\u955c\u50cf\u6d41\u91cf\u3002<\/li>\n<li><strong>ERSPAN<\/strong>\uff1a\u7406\u89e3\u589e\u5f3a\u578b\u8fdc\u7a0b\u7aef\u53e3\u955c\u50cf\uff08ERSPAN\uff09\uff0c\u5305\u62ec\u5982\u4f55\u901a\u8fc7IP\u7f51\u7edc\u4f20\u8f93\u955c\u50cf\u6d41\u91cf\uff0c\u5e76\u5b66\u4e60\u5176\u914d\u7f6e\u3002<\/li>\n<\/ul>\n<h2>\u914d\u7f6e\u548c\u9a8c\u8bc1 IPSLA<\/h2>\n<ul>\n<li><strong>\u57fa\u672c\u6982\u5ff5<\/strong>\uff1a\u7406\u89e3IP\u670d\u52a1\u7ea7\u522b\u534f\u8bae\uff08IP SLA\uff09\u7684\u7528\u9014\uff0c\u5982\u5ef6\u8fdf\u3001\u6296\u52a8\u3001\u4e22\u5305\u7387\u7684\u76d1\u63a7\u3002<\/li>\n<li><strong>\u914d\u7f6e\u6b65\u9aa4<\/strong>\uff1a\u5b66\u4e60\u5982\u4f55\u914d\u7f6eIP SLA\u64cd\u4f5c\uff08\u5982ICMP\u56de\u663e\u3001UDP\u5ef6\u8fdf\u7b49\uff09\u4ee5\u53ca\u8c03\u5ea6\u8fd9\u4e9b\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u9a8c\u8bc1\u65b9\u6cd5<\/strong>\uff1a\u638c\u63e1\u5982\u4f55\u4f7f\u7528\u547d\u4ee4\u9a8c\u8bc1IP SLA\u914d\u7f6e\u548c\u7ed3\u679c\uff0c\u5982<code>show ip sla statistics<\/code>\u3002<\/li>\n<\/ul>\n<h2>\u63cf\u8ff0 Cisco DNA Center \u5de5\u4f5c\u6d41\u7a0b\u4ee5\u5e94\u7528\u7f51\u7edc\u914d\u7f6e\u3001\u76d1\u63a7\u548c\u7ba1\u7406<\/h2>\n<ul>\n<li><strong>DNA Center \u529f\u80fd<\/strong>\uff1a\u7406\u89e3Cisco DNA Center\u7684\u529f\u80fd\u548c\u7ec4\u4ef6\uff0c\u5305\u62ec\u7f51\u7edc\u81ea\u52a8\u5316\u3001\u4fdd\u8bc1\u3001\u4f18\u5316\u3001\u4ee5\u53ca\u5b89\u5168\u3002<\/li>\n<li><strong>\u5de5\u4f5c\u6d41\u7a0b<\/strong>\uff1a\u719f\u6089DNA Center\u7684\u5de5\u4f5c\u6d41\u7a0b\uff0c\u4f8b\u5982\u5982\u4f55\u8fdb\u884c\u8bbe\u5907\u7684\u81ea\u52a8\u53d1\u73b0\u3001\u914d\u7f6e\u63a8\u9001\u3001\u7b56\u7565\u5e94\u7528\u3001\u7f51\u7edc\u76d1\u63a7\u548c\u6545\u969c\u6392\u9664\u3002<\/li>\n<li><strong>\u7528\u4f8b<\/strong>\uff1a\u4e86\u89e3\u5982\u4f55\u4f7f\u7528DNA Center\u6765\u6267\u884c\u5177\u4f53\u7684\u4efb\u52a1\uff0c\u5982\u8f6f\u4ef6\u5347\u7ea7\u3001\u7b56\u7565\u5408\u89c4\u6027\u68c0\u67e5\u7b49\u3002<\/li>\n<\/ul>\n<h2>\u914d\u7f6e\u548c\u9a8c\u8bc1 NETCONF \u548c RESTCONF<\/h2>\n<ul>\n<li><strong>NETCONF<\/strong>\uff1a\u7406\u89e3\u7f51\u7edc\u914d\u7f6e\u534f\u8bae\uff08NETCONF\uff09\u7684\u6982\u5ff5\uff0c\u5982\u4f55\u901a\u8fc7YANG\u6a21\u578b\u8fdb\u884c\u914d\u7f6e\u548c\u7ba1\u7406\u3002<\/li>\n<li><strong>RESTCONF<\/strong>\uff1a\u4e86\u89e3RESTful\u7f51\u7edc\u914d\u7f6e\u534f\u8bae\uff08RESTCONF\uff09\uff0c\u5305\u62ec\u5176\u4f7f\u7528HTTP\u65b9\u6cd5\uff08\u5982GET, POST, PUT, DELETE\uff09\u8fdb\u884c\u7f51\u7edc\u8bbe\u5907\u7684\u7ba1\u7406\u3002<\/li>\n<li><strong>\u914d\u7f6e\u6b65\u9aa4<\/strong>\uff1a\u5b66\u4e60\u5982\u4f55\u5728\u8bbe\u5907\u4e0a\u542f\u7528\u5e76\u914d\u7f6eNETCONF\u548cRESTCONF\uff0c\u5982\u4f55\u4f7f\u7528\u5de5\u5177\uff08\u5982Postman\uff09\u8fdb\u884c\u9a8c\u8bc1\u3002<\/li>\n<li><strong>\u5b9e\u7528\u6848\u4f8b<\/strong>\uff1a\u638c\u63e1\u4e00\u4e9b\u5177\u4f53\u7684NETCONF\u548cRESTCONF\u64cd\u4f5c\u4f8b\u5b50\uff0c\u4ee5\u4fbf\u5b9e\u9645\u64cd\u4f5c\u548c\u6545\u969c\u6392\u9664\u3002<\/li>\n<\/ul>\n<blockquote>\n<p>\u53c2\u8003\u8d44\u6599<br \/>\n<a href=\"https:\/\/learningnetwork.cisco.com\/s\/encor-exam-topics\">https:\/\/learningnetwork.cisco.com\/s\/encor-exam-topics<\/a><br \/>\n<a href=\"https:\/\/www.cisco.com\/c\/en\/us\/tech\/lan-switching\/port-monitoring\/index.html\">https:\/\/www.cisco.com\/c\/en\/us\/tech\/lan-switching\/port-monitoring\/index.html<\/a><br \/>\n<a href=\"https:\/\/www.cisco.com\/c\/en\/us\/tech\/quality-of-service-qos\/netflow\/index.html\">https:\/\/www.cisco.com\/c\/en\/us\/tech\/quality-of-service-qos\/netflow\/index.html<\/a><\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd9\u7bc7\u6587\u7ae0\u4ecb\u7ecd\u4e86\u7f51\u7edc\u4fdd\u969c\u76f8\u5173\u7684\u8003\u70b9\uff0c\u6db5\u76d6\u8bca\u65ad\u3001\u914d\u7f6e\u548c\u7ba1\u7406\u7f51\u7edc\u7684\u591a\u79cd\u65b9\u6cd5\u3002\u4e3b\u8981\u5185\u5bb9\u5305\u62ec\u4f7f\u7528\u8c03\u8bd5\u5de5\u5177\uff0c\u7075\u6d3b\u914d\u7f6eNetFlow\u76d1\u63a7\u6d41\u91cf\uff0c\u914d\u7f6eSPAN\u3001RSPAN\u548cERSPAN\u955c\u50cf\u6d41\u91cf\uff0c\u8bbe\u7f6e\u548c\u9a8c\u8bc1IP SLA\u76d1\u63a7\u7f51\u7edc\u6027\u80fd\uff0cCisco DNA Center\u81ea\u52a8\u5316\u7ba1\u7406\u7f51\u7edc\u7684\u529f\u80fd\uff0c\u4ee5\u53ca\u4f7f\u7528NETCONF\u548cRESTCONF\u534f\u8bae\u8fdb\u884c\u7f51\u7edc\u8bbe\u5907\u914d\u7f6e\u548c\u7ba1\u7406\u3002<\/p>\n","protected":false},"author":3,"featured_media":447,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_jetpack_memberships_contains_paid_content":false},"categories":[29],"tags":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/blog.devops955.com\/swain\/wp-content\/uploads\/sites\/2\/2024\/04\/cisco-1.png","_links":{"self":[{"href":"https:\/\/blog.devops955.com\/swain\/wp-json\/wp\/v2\/posts\/503"}],"collection":[{"href":"https:\/\/blog.devops955.com\/swain\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.devops955.com\/swain\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.devops955.com\/swain\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.devops955.com\/swain\/wp-json\/wp\/v2\/comments?post=503"}],"version-history":[{"count":4,"href":"https:\/\/blog.devops955.com\/swain\/wp-json\/wp\/v2\/posts\/503\/revisions"}],"predecessor-version":[{"id":506,"href":"https:\/\/blog.devops955.com\/swain\/wp-json\/wp\/v2\/posts\/503\/revisions\/506"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.devops955.com\/swain\/wp-json\/wp\/v2\/media\/447"}],"wp:attachment":[{"href":"https:\/\/blog.devops955.com\/swain\/wp-json\/wp\/v2\/media?parent=503"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.devops955.com\/swain\/wp-json\/wp\/v2\/categories?post=503"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.devops955.com\/swain\/wp-json\/wp\/v2\/tags?post=503"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}