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Daily update. 2017-02-22 09:33:38
This commit is contained in:
Peng Hailin
86
mindmaps/RSTP-快速生成树协议.mm
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86
mindmaps/RSTP-快速生成树协议.mm
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<map version="freeplane 1.3.0">
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<!--To view this file, download free mind mapping software Freeplane from http://freeplane.sourceforge.net -->
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<node TEXT="RSTP" ID="ID_1723255651" CREATED="1283093380553" MODIFIED="1487726837302"><hook NAME="MapStyle">
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<properties show_note_icons="true"/>
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<map_styles>
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<stylenode LOCALIZED_TEXT="styles.root_node">
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<stylenode LOCALIZED_TEXT="styles.predefined" POSITION="right">
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<stylenode LOCALIZED_TEXT="default" MAX_WIDTH="600" COLOR="#000000" STYLE="as_parent">
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<font NAME="SansSerif" SIZE="10" BOLD="false" ITALIC="false"/>
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</stylenode>
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<stylenode LOCALIZED_TEXT="defaultstyle.details"/>
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<stylenode LOCALIZED_TEXT="defaultstyle.note"/>
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<stylenode LOCALIZED_TEXT="defaultstyle.floating">
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<edge STYLE="hide_edge"/>
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<cloud COLOR="#f0f0f0" SHAPE="ROUND_RECT"/>
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</stylenode>
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</stylenode>
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<stylenode LOCALIZED_TEXT="styles.user-defined" POSITION="right">
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<stylenode LOCALIZED_TEXT="styles.topic" COLOR="#18898b" STYLE="fork">
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<font NAME="Liberation Sans" SIZE="10" BOLD="true"/>
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</stylenode>
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<stylenode LOCALIZED_TEXT="styles.subtopic" COLOR="#cc3300" STYLE="fork">
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<font NAME="Liberation Sans" SIZE="10" BOLD="true"/>
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</stylenode>
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<stylenode LOCALIZED_TEXT="styles.subsubtopic" COLOR="#669900">
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<font NAME="Liberation Sans" SIZE="10" BOLD="true"/>
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</stylenode>
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<stylenode LOCALIZED_TEXT="styles.important">
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<icon BUILTIN="yes"/>
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</stylenode>
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</stylenode>
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<stylenode LOCALIZED_TEXT="styles.AutomaticLayout" POSITION="right">
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<stylenode LOCALIZED_TEXT="AutomaticLayout.level.root" COLOR="#000000">
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<font SIZE="18"/>
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</stylenode>
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<stylenode LOCALIZED_TEXT="AutomaticLayout.level,1" COLOR="#0033ff">
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<font SIZE="16"/>
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</stylenode>
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<stylenode LOCALIZED_TEXT="AutomaticLayout.level,2" COLOR="#00b439">
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<font SIZE="14"/>
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</stylenode>
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<stylenode LOCALIZED_TEXT="AutomaticLayout.level,3" COLOR="#990000">
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<font SIZE="12"/>
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</stylenode>
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<stylenode LOCALIZED_TEXT="AutomaticLayout.level,4" COLOR="#111111">
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<font SIZE="10"/>
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</stylenode>
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</stylenode>
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</stylenode>
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</map_styles>
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</hook>
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<hook NAME="AutomaticEdgeColor" COUNTER="1"/>
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<richcontent TYPE="NOTE">
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<html>
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<head>
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</head>
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<body>
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<p>
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<span http-equiv="content-type" content="text/html; charset=utf-8" style="color: rgb(51, 51, 51); font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Helvetica, Arial, sans-serif, Apple Color Emoji, Segoe UI Emoji, Segoe UI Symbol; font-size: 16px; font-style: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; background-color: rgb(255, 255, 255); display: inline !important; float: none"><font color="rgb(51, 51, 51)" face="-apple-system, BlinkMacSystemFont, Segoe UI, Helvetica, Arial, sans-serif, Apple Color Emoji, Segoe UI Emoji, Segoe UI Symbol" size="16px">快速生成树协议（Rapid Spanning Tree Protocol, RSTP）, 显著地缩短了在某条链路失效时，STP用于收敛的时间。在RSTP下，网络从故障切换到一条替代路径或链路可在亚秒级别完成（with RSTP, network failover to an alternate path or link can occur in a subsecond timeframe）。RSTP是802.1D的一个扩展，执行与上行快速及骨干快速类似的功能。</font></span><font color="rgb(51, 51, 51)" face="-apple-system, BlinkMacSystemFont, Segoe UI, Helvetica, Arial, sans-serif, Apple Color Emoji, Segoe UI Emoji, Segoe UI Symbol" size="16px"><strong style="font-weight: 600; color: rgb(51, 51, 51); font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Helvetica, Arial, sans-serif, Apple Color Emoji, Segoe UI Emoji, Segoe UI Symbol; font-size: 16px; font-style: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; background-color: rgb(255, 255, 255)"><b>RSTP比传统的STP执行得更好，且无需额外配置。此外，RSTP向后兼容最初的IEEE 802.1D STP标准。</b></strong><span style="color: rgb(51, 51, 51); font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Helvetica, Arial, sans-serif, Apple Color Emoji, Segoe UI Emoji, Segoe UI Symbol; font-size: 16px; font-style: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; background-color: rgb(255, 255, 255); display: inline !important; float: none">其通过使用一种如下面的截屏中所示的修改的BPDU，实现的向后兼容。</span></font>
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</p>
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</body>
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</html>
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</richcontent>
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<node TEXT="IEEE规格" POSITION="right" ID="ID_363288489" CREATED="1487726726432" MODIFIED="1487726791723">
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<edge COLOR="#ff0000"/>
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<richcontent TYPE="NOTE">
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<html>
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<head>
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</head>
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<body>
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<p>
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802.1Ｗ，是802.1Ｄ的一个扩展。
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</p>
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</body>
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</html>
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</richcontent>
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</node>
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</node>
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</map>
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@@ -554,21 +554,6 @@
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<node TEXT="两种用于转发BPDUs的端口" ID="ID_214327509" CREATED="1487648737854" MODIFIED="1487648763951">
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<hook NAME="SummaryNode"/>
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</node>
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<node TEXT="备份端口（Backup Port, 在已有端口连接到到某网段时的备份/冗余端口）" ID="ID_1075034612" CREATED="1487647177313" MODIFIED="1487648417043"><richcontent TYPE="NOTE">
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<html>
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<head>
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</head>
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<body>
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<p>
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<span http-equiv="content-type" content="text/html; charset=utf-8" style="color: rgb(51, 51, 51); font-family: Verdana, BitStream vera Sans, Tahoma, Helvetica, sans-serif; font-size: 12px; font-style: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; background-color: rgb(255, 255, 255); display: inline !important; float: none"><font color="rgb(51, 51, 51)" face="Verdana, BitStream vera Sans, Tahoma, Helvetica, sans-serif" size="12px">The backup port applies only when a single switch has two links to the same segment (collision domain). To have two links to the same collision domain, the switch must be attached to a hub.</font></span>
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</p>
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</body>
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</html>
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</richcontent>
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</node>
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<node TEXT="替代端口（Alternate Port）, 到根桥的次优端口" ID="ID_423784009" CREATED="1487647130504" MODIFIED="1487647167769"/>
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<node TEXT="关闭的端口（Disabled Port, 管理员手动关闭的端口）" ID="ID_1835877793" CREATED="1487647348423" MODIFIED="1487647388643"/>
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<node TEXT="非指定端口（the Non-Designated Port）" ID="ID_500435338" CREATED="1487649156658" MODIFIED="1487671879495"><richcontent TYPE="NOTE">
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