{"id":847,"date":"2013-05-07T20:48:17","date_gmt":"2013-05-07T12:48:17","guid":{"rendered":"http:\/\/www.eumz.com\/?p=847"},"modified":"2013-05-07T20:48:17","modified_gmt":"2013-05-07T12:48:17","slug":"%e8%b7%af%e7%94%b1%e5%99%a8%e7%ab%af%e5%8f%a3up%e5%92%8cdown%e7%9a%84%e5%87%a0%e7%a7%8d%e6%83%85%e5%86%b5","status":"publish","type":"post","link":"https:\/\/www.wxcn.com\/?p=847","title":{"rendered":"\u8def\u7531\u5668\u7aef\u53e3up\u548cdown\u7684\u51e0\u79cd\u60c5\u51b5"},"content":{"rendered":"<p>\u5728sh interface\u65f6\uff0c \u53ef\u80fd\u4f1a\u6709\u51e0\u79cd\u60c5\u51b5\uff1a<br \/>\n1. Router#sh int e0<br \/>\n\u3000Ethernet0 is up\uff0cline protocol is up<\/p>\n<p>\u3000\u7b2c\u4e00\u4e2a\u4fe1\u606fSerial0 is up\u662f\u8003\u5bdf\u5230Physical Layer\uff0c\u5b83\u4f1a\u68c0\u67e5\u8fde\u7ebf\u5426\u6709\u63a5\u4e0a\u6216\u542f\u52a8\u3002<br \/>\n\u3000\u7b2c\u4e8c\u4e2a\u4fe1\u606fline protocol is up\u662f\u8003\u5bdf\u5230 Data-link Layer\uff0c\u4f1a\u4ece\u8fde\u63a5\u7aef\u5bfb\u627e keepalive \u7684\u4fe1\u53f7\u662f\u5426\u5b58\u5728\uff0c\u7528\u6765\u786e\u5b9a\u4fe1\u53f7\u662f\u5426\u65ad\u6389\u3002<br \/>\n\u3000\u82e5 interface \u4e0e line protocol\u90fd\u662fup\u7684\uff0c\u90a3\u8868\u793a\u76ee\u524d\u6b64\u4ecb\u9762\u7684\u8fd0\u4f5c\u6b63\u5e38\u3002<\/p>\n<p>2. Router#sh int s0<br \/>\n\u3000Serial0 is up\uff0cline protocol is down<\/p>\n<p>\u3000\u82e5interface up\uff0c \u4f46line protocol down\uff0c\u8fd9\u662fData-link Layer\u7684\u95ee\u9898\u3002<br \/>\n\u3000\u53ef\u80fd\u65f6\u95f4\uff0ckeepalive\u95ee\u9898\uff0c\u6216\u662fframe\u5c01\u88c5\u7684\u95ee\u9898.\u68c0\u67e5\u4e00\u4e0b\u662f\u5426\u9700\u8981\u8bbe\u5b9aclock rate\uff0c\u4ee5\u53ca\u4e24\u8fb9\u5c01\u88c5\u65b9\u5f0f\u662f\u5426\u4e00\u6837\u3002<br \/>\n\u3000\u4e00\u822c\u6765\u8bf4clock rate\u7684\u53ef\u80fd\u6027\u66f4\u5927\u3002<\/p>\n<p>3. Router#sh int s0<br \/>\n\u3000Serial0 is down\uff0cline protocol is down<\/p>\n<p>\u3000\u8fd9\u4e2a\u8868\u793ainterface\u53caline protocol\u90fd\u6ca1\u4f5c\u7528\uff0c\u57fa\u672c\u4e0a\u662fPhysical Layer\u7684\u95ee\u9898\u3002<br \/>\n\u3000\u68c0\u67e5\u4e00\u4e0b\u7f51\u7ebf\u662f\u5426\u8fde\u63a5\u597d\u3002<\/p>\n<p>4. Router#sh int s0<br \/>\n\u3000Serial0 is administratively down\uff0cline protocol is down<\/p>\n<p>\u3000\u8fd9\u53ef\u80fd\u6709\u4efb\u4f55\u4e00\u7aef\u6ca1\u6709\u542f\u7528interface\uff0c \u8bf7\u5230interface\u914d\u7f6e\u4e0b\u4f7f\u7528no shutdown\u7684\u547d\u4ee4\uff0c\u5982\uff1a<br \/>\n\u3000Router#conf t<br \/>\n\u3000Router(config)#int s0<br \/>\n\u3000Router(config-if)#no shutdown<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728sh interface\u65f6\uff0c \u53ef\u80fd\u4f1a\u6709\u51e0\u79cd\u60c5\u51b5\uff1a 1. Router#sh int e0 \u3000Ethernet [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[573],"class_list":["post-847","post","type-post","status-publish","format-standard","hentry","category-tech","tag-573"],"_links":{"self":[{"href":"https:\/\/www.wxcn.com\/index.php?rest_route=\/wp\/v2\/posts\/847","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wxcn.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wxcn.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wxcn.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wxcn.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=847"}],"version-history":[{"count":0,"href":"https:\/\/www.wxcn.com\/index.php?rest_route=\/wp\/v2\/posts\/847\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.wxcn.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=847"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wxcn.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=847"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wxcn.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=847"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}