\u3044\u3055\u3073\u3055\u306b\u5c0f\u30cd\u30bf\u3067\u66f4\u65b0\u3002
\n
(config-if)# spanning-tree portfast\r\n%Warning: portfast should only be enabled on ports connected to a single\r\nhost. Connecting hubs, concentrators, switches, bridges, etc... to this\r\ninterface when portfast is enabled, can cause temporary bridging loops.\r\nUse with CAUTION\r\n%Portfast has been configured on GigabitEthernet0\/1 but will only\r\nhave effect when the interface is in a non-trunking mode.<\/p>\r\nnon-trunking mode\u306e\u307f\u3067\u6709\u52b9\u3067\u3001trunk port\u3060\u3068\u52b9\u304d\u307e\u305b\u3093\u3002\r\nbradeswitch\u3084\u3001VMHost\u306eVswitch\u3067dot1q\u6e21\u3057\u3057\u305f\u3044\u3068\u304d\u306b\u56f0\u3063\u305f\u3002\r\n\u3067\u3001\u8868\u984c\u306e\u4ef6\u3002\r\n\r\n\u25a1spanning-tree portfast trunk<\/U>\r\n (config-if)# spanning-tree portfast trunk\r\n%Warning:portfast should only be enabled on ports connected to a single\r\nhost. Connecting hubs, concentrators, switches, bridges, etc... to this\r\ninterface when portfast is enabled, can cause temporary bridging loops.\r\nUse with CAUTION<\/p>\r\nloop\u3059\u308b\u304b\u3089\u6c17\u3092\u3064\u3051\u3066\u304f\u3060\u3055\u3044\u3001\u306eWarningMessage\u304c\u3067\u307e\u3057\u305f\u304c\u3001trunk port\u3067portfast\u304c\u6709\u52b9\u306b\u306a\u308a\u307e\u3057\u305f\u3002\r\n\r\nportfast\u3092\u8a2d\u5b9a\u3059\u308bIF\u306b\u306f\r\n (config-if)# spanning-tree bpdufilter enable<\/p>\r\n\u3092\u8a2d\u5b9a\u3057\u3066\u3001bpdu\u3092\u9001\u53d7\u4fe1\u3057\u306a\u3044\u3088\u3046\u306b\u3057\u3066\u304a\u304f\u3068\u304a\u3082\u3044\u307e\u3059\u3002\r\n\r\n(\u8ffd\u8a18)\r\nTrill(Cisco:Nexus\/FablicPath,Brocade:VDX\/VCS)\u3001Virtul lag(\u7b50\u4f53\u307e\u305f\u304e\u306elag)\u304c\u3053\u306a\u308c\u3066\u304d\u3066\u3001\r\nSTP\u306f\u3069\u3093\u3069\u3093\u73fe\u5834\u304b\u3089\u6e1b\u3063\u3066\u3044\u308b\u306e\u3067\u306f\u306a\u3044\u304b\u3068\u304a\u3082\u3044\u307e\u3059\u304c\u3001\r\nCisco:Nexus\u306eVirtual Lag(vPC)\u306eloop\u691c\u77e5\u7528\u306bBPDU\u304c\u3064\u304b\u308f\u308c\u3066\u3044\u3066\u3001\u30a8\u30c3\u30b8\u306b\u3001BPDU\u304c\u306a\u304c\u308c\u3066\u304f\u308b\u3053\u3068\u304c\u5fc5\u9808\u3067\u3059\u3002\r\n\u306a\u306e\u3067\u3001\u6d41\u308c\u3066\u304d\u305fBPDU\u3092\u3069\u3046\u3042\u3064\u304b\u3046\u304b\uff1f\u3068\u3044\u3046\u70b9\u3067\u3001\u7d50\u5c40STP\u306e\u77e5\u8b58\u304c\u5fc5\u8981\u30fb\u30fb\u30fb\u30fb\u30fb\u3002\r\n\r\nnon-STP\u304b\u3089\u59cb\u307e\u3063\u305ftrill\u306a\u306e\u306b\u3001(\u307b\u307c)trill\u5b9f\u88c5\u306eCisco:Nexus\u3067BPDU\u3092\u6d41\u3059\u306e\u306f\u3001\r\n\u3044\u3051\u3066\u306a\u3044\u306a\u30fc\u3068\u611f\u3058\u307e\u3059\u3002\r\nFablicPath\u3068\u3001vPC\u306e\u958b\u767a\u90e8\u968a\u306e\u9055\u3044\u3068\u304b\u3001\r\n\u72ec\u81ea\u5b9f\u88c5\u3067\u3082\u3001\u65e2\u5b58\u306eframe format\u3092\u6d41\u7528\u3059\u308b\u304c\u6d41\u884c\u306e\u3088\u3046\u3060\u3068\u304b\u3001\u305d\u306e\u8fba\u304c\u3053\u306e\u77db\u76fe\u306e\u8981\u56e0\u304b\u3082\u3002\r\n\r\n<\/pre>\n <\/tt><\/P><\/p>\n","protected":false},"excerpt":{"rendered":" \u3044\u3055\u3073\u3055\u306b\u5c0f\u30cd\u30bf\u3067\u66f4\u65b0\u3002 \u25cb Spanning-tree portfast trunk \u3044\u3064\u306e\u307e\u306b\u304b\u3001Cisco cataylst\u3067(IOS12.2\u4ee5\u964d ?) dot1q\u306etrunk port\u3067\u3082\u3001portfast\u304c\u8a2d\u5b9a […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7,9],"tags":[],"class_list":["post-496","post","type-post","status-publish","format-standard","hentry","category-cisco","category-ethernet"],"_links":{"self":[{"href":"https:\/\/blog.k-goo.net\/index.php?rest_route=\/wp\/v2\/posts\/496","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.k-goo.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.k-goo.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.k-goo.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.k-goo.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=496"}],"version-history":[{"count":19,"href":"https:\/\/blog.k-goo.net\/index.php?rest_route=\/wp\/v2\/posts\/496\/revisions"}],"predecessor-version":[{"id":516,"href":"https:\/\/blog.k-goo.net\/index.php?rest_route=\/wp\/v2\/posts\/496\/revisions\/516"}],"wp:attachment":[{"href":"https:\/\/blog.k-goo.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=496"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.k-goo.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=496"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.k-goo.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=496"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\n\u25cb Spanning-tree portfast trunk
\n
\n\u3044\u3064\u306e\u307e\u306b\u304b\u3001Cisco cataylst\u3067(IOS12.2\u4ee5\u964d ?) dot1q\u306etrunk port\u3067\u3082\u3001portfast\u304c\u8a2d\u5b9a\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u305f<\/p>\n\r\n\u25a1spanning-tree portfast<\/U>\r\n\u30a8\u30c3\u30b8port\u3067STP\u306e\u9077\u79fb\u3092\u7701\u7565\u3057\u3066FWD\u3059\u308b\u305f\u3081\u306b\u3001portfast\u306e\u8a2d\u5b9a\u3092\u3044\u308c\u308b\u3068\u4ee5\u4e0b\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u3067\u308b\u3002\r\n