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[Juniper] Junos網路介面(interface)基本介紹(一)

&NewLine;<p class&equals;"wp-block-paragraph"> 邊做邊學,順便留個筆記,若有錯誤請不吝指教。 <&sol;p>&NewLine;&NewLine;&NewLine;&NewLine;<p class&equals;"wp-block-paragraph">Junos基本操作及root密碼設定可參考我之前的文章:<a href&equals;"https&colon;&sol;&sol;kerker&period;website&sol;juniper-junos&percnt;E5&percnt;9F&percnt;BA&percnt;E6&percnt;9C&percnt;AC&percnt;E6&percnt;93&percnt;8D&percnt;E4&percnt;BD&percnt;9C&percnt;E3&percnt;80&percnt;81root&percnt;E5&percnt;AF&percnt;86&percnt;E7&percnt;A2&percnt;BC&percnt;E8&percnt;A8&percnt;AD&percnt;E5&percnt;AE&percnt;9A&sol;">Juniper Junos基本操作、root密碼設定<&sol;a><&sol;p>&NewLine;&NewLine;&NewLine;&NewLine;<p class&equals;"wp-block-paragraph">&NewLine;&NewLine;所有Juniper相關文章列表:<a href&equals;"https&colon;&sol;&sol;kerker&period;website&sol;juniper-junos-&percnt;E7&percnt;B3&percnt;BB&percnt;E5&percnt;88&percnt;97-&percnt;E6&percnt;96&percnt;87&percnt;E7&percnt;AB&percnt;A0&percnt;E5&percnt;88&percnt;97&percnt;E8&percnt;A1&percnt;A8&sol;">Juniper JunOS 系列文章列表<&sol;a><&sol;p>&NewLine;&NewLine;&NewLine;&NewLine;<&excl;--more-->&NewLine;&NewLine;&NewLine;&NewLine;<p class&equals;"wp-block-paragraph">Juniper設備的介面&lpar;interface&rpar;命名格式為:type-fpc&sol;pic&sol;port<&sol;p>&NewLine;&NewLine;&NewLine;&NewLine;<p class&equals;"wp-block-paragraph">type為該介面之型態,fpc為用來容納pic的集中器,pic是介面卡,port則為介面卡上的介面編號。編號規則一般從0開始。<&sol;p>&NewLine;&NewLine;&NewLine;&NewLine;<p class&equals;"wp-block-paragraph">例如在第一個集中器上的第一張介面卡的第一個Gigabit Ethernet介面的編號為:ge-0&sol;0&sol;0<&sol;p>&NewLine;&NewLine;&NewLine;&NewLine;<p class&equals;"wp-block-paragraph">通常實體介面會依據速率區分,ge、xe、et分別代表1G、10G、40G。<&sol;p>&NewLine;&NewLine;&NewLine;&NewLine;<p class&equals;"wp-block-paragraph">還有特殊用途的介面如管理介面&lpar;management Ethernet interface&rpar;的type為me。<&sol;p>&NewLine;&NewLine;&NewLine;&NewLine;<p class&equals;"wp-block-paragraph">如果想看到設備上的介面列表可以使用以下指令:<&sol;p>&NewLine;&NewLine;&NewLine;&NewLine;<pre class&equals;"wp-block-preformatted"> root&gt&semi; show interfaces terse &NewLine; Interface Admin Link Proto Local Remote&NewLine; ge-0&sol;0&sol;0 up down&NewLine; ge-0&sol;0&sol;0&period;0 up down eth-switch &NewLine; ge-0&sol;0&sol;1 up down&NewLine; ge-0&sol;0&sol;1&period;0 up down eth-switch&NewLine; … … …<&sol;pre>&NewLine;&NewLine;&NewLine;&NewLine;<p class&equals;"wp-block-paragraph">可以使用指令查看各介面的設定:<&sol;p>&NewLine;&NewLine;&NewLine;&NewLine;<pre class&equals;"wp-block-code"><code> root> show configuration interfaces ge-0&sol;0&sol;0 &NewLine; unit 0 &lbrace;&NewLine; family ethernet-switching &lbrace;&NewLine; storm-control default&semi;&NewLine; &rcub;&NewLine; &rcub;<&sol;code><&sol;pre>&NewLine;&NewLine;&NewLine;&NewLine;<p class&equals;"wp-block-paragraph">其中unit 0為該實體介面的邏輯分割,我們在前面用show interface terse指令看到的ge-0&sol;0&sol;0&period;0即是指該邏輯分割。<&sol;p>&NewLine;&NewLine;&NewLine;&NewLine;<p class&equals;"wp-block-paragraph">family ethernet-switching 則對應到show interface terse中Proto欄位上的eth-switch,代表這個介面僅作第二層交換。<&sol;p>&NewLine;&NewLine;&NewLine;&NewLine;<p class&equals;"wp-block-paragraph">除了ethernet-switching外常用的family還有支援第三層IP協定的Inet及支援IPv6的Inet6。<&sol;p>&NewLine;&NewLine;&NewLine;&NewLine;<p class&equals;"wp-block-paragraph">Juniper常用的介面指令可以繼續閱讀這篇:<a href&equals;"https&colon;&sol;&sol;kerker&period;website&sol;juniper-junos&percnt;E7&percnt;B6&percnt;B2&percnt;E8&percnt;B7&percnt;AF&percnt;E4&percnt;BB&percnt;8B&percnt;E9&percnt;9D&percnt;A2interface&percnt;E5&percnt;9F&percnt;BA&percnt;E6&percnt;9C&percnt;AC&percnt;E4&percnt;BB&percnt;8B&percnt;E7&percnt;B4&percnt;B9&percnt;E4&percnt;BA&percnt;8C&sol;">Juniper Junos網路介面&lpar;interface&rpar;基本介紹&lpar;二&rpar;<&sol;a><&sol;p>&NewLine;

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