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鎮ㄥソ锛屾杩庝締(l谩i)鍒扮董搴�(k霉)闆诲瓙甯傚牬(ch菐ng)缍�(w菐ng) 鐧婚寗 | 鍏嶈不(f猫i)娉ㄥ唺(c猫)

RSTP
闁辫畝锛�8797鏅�(sh铆)闁擄細2010-11-17 10:27:48

銆�銆�蹇�熺敓鎴愭ü(sh霉)鍗�(xi茅)璀帮紙rapid spaning tree protocol锛夛細802.1w鐢�802.1d鐧�(f膩)灞曡�屾垚锛岄�欑ó鍗�(xi茅)璀板湪缍�(w菐ng)绲�(lu貌)绲�(ji茅)妲�(g貌u)鐧�(f膩)鐢熻畩鍖栨檪(sh铆)锛岃兘鏇村揩鐨勬敹鏂傜恫(w菐ng)绲�(lu貌)銆傚畠姣�802.1d澶氫簡鍏╃ó绔彛椤炲瀷锛氶爯(y霉)鍌欑鍙ｉ鍨嬶紙alternate port锛夊拰鍌欎唤绔彛椤炲瀷銆�

RSTP蹇�熼亷(gu貌)娓℃(j墨)鍒�

銆�銆�閭婄罚绔彛锛氱暥(d膩ng)閺堣矾鐧�(f膩)鐢熻綁(zhu菐n)璁婃檪(sh铆)锛岄倞绶ｇ鍙ｄ笉鏈�(hu矛)鐢�(ch菐n)鐢熸嫇?f霉)娓ュ厪顝樸剸?銆傚鏋滈倞绶ｇ鍙ｆ帴鏀跺埌BPDU鍫�(b脿o)鏂囷紝閭ｄ箞瀹冩渻(hu矛)绔嬪嵆寰為倞绶ｇ鍙ｇ殑鐙�鎱�(t脿i)閫�(j矛n)鍏ュ埌姝ｅ父鐢熸垚妯�(sh霉)绔彛銆�

銆�銆�閺堣矾椤炲瀷锛氬湪RSTP涓紝灏囬張璺垎鐐哄叐绋鍨�锛岄粸(di菐n)鍒伴粸(di菐n)閺堣矾椤炲瀷鍜屽叡浜紡閺堣矾椤炲瀷銆傞粯瑾�(r猫n)鎯呮硜涓�锛屽鏋滅鍙ｅ伐浣滃湪鍏ㄩ洐宸ユā寮忎笅锛岄偅涔堣獚(r猫n)鐐哄畠鏄粸(di菐n)鍒伴粸(di菐n)鐨勯張璺鍨�锛屽鏋滅鍙ｅ伐浣滃湪鍗婇洐宸ョ殑宸ヤ綔妯″紡锛岄偅涔堣獚(r猫n)鐐哄畠鏄叡浜紡鐨勯張璺鍨�銆�

  

RSTP

RSTP鍏煎鎬�

銆�銆�RSTP 鍗�(xi茅)璀版渻(hu矛)鏍规摎(j霉)鏀跺埌鐨凚PDU 鐗堟湰铏�(h脿o)渚�(l谩i)鑷嫊(d貌ng)鍒ゆ柗鑸囦箣鐩搁�ｇ殑缍�(w菐ng)姗嬫槸鏀寔STP 鍗�(xi茅)璀伴倓鏄敮鎸丷STP 鍗�(xi茅)璀�銆傚鏋滄敹鍒癝TP  BPDU灏辨寜鐓TP 鐨勬搷浣滄柟寮忛亱(y霉n)琛屻��

銆�銆�瀛樺湪鐨勫晱(w猫n)椤�:

銆�銆�濡傛灉缍�(w菐ng)绲�(lu貌)涓湁涓�鑷�(t谩i)閬�(y霉n)琛孲TP鐨勪氦鎻涙(j墨)锛屾渻(hu矛)灏�(d菐o)鑷存墍鏈夌殑浜ゆ彌姗�(j墨)閮戒互STP鏂瑰紡閬�(y霉n)琛�銆�

銆�銆�RSTP 鍗�(xi茅)璀版彁渚涗簡protocol-migration 鍔熻兘渚�(l谩i)寮�(qi谩ng)鍒剁櫦(f膩)閫丷STP BPDU銆�

銆�銆�浜ゆ彌姗�(j墨)A寮�(qi谩ng)鍒剁櫦(f膩)閫丷STP BPDU锛屼氦鎻涙(j墨)C鐧�(f膩)鐝�(xi脿n)鑸囦箣浜掗�ｇ殑缍�(w菐ng)姗嬫槸鏀寔RSTP鐨勶紝閫欐檪(sh铆)鍏╄嚭(t谩i)浜ゆ彌姗�(j墨)灏遍兘浠STP 鍗�(xi茅)璀伴亱(y霉n)琛屼簡銆�

閰嶇疆RSTP

銆�銆�姝ラ1锛氶��(j矛n)鍏ュ叏灞�妯″紡

銆�銆�Switch#configure terminal

銆�銆�姝ラ2锛氶枊(k膩i)鍟熺敓鎴愭ü(sh霉)鍗�(xi茅)璀�

銆�銆�Switch(config)#spanning-tree

銆�銆�閵虫嵎浜ゆ彌姗�(j墨)涓婏紝榛樿獚(r猫n)鐙�鎱�(t脿i)涓婼TP鍗�(xi茅)璀版槸闂�(gu膩n)闁夌殑锛岄渶瑕佺敤鍛戒护鎵撻枊(k膩i)

銆�銆�姝ラ3锛氶厤缃敓鎴愭ü(sh霉)妯″紡

銆�銆�Switch(config)#spanning-tree mode { mstp | rstp | stp }

RSTP鐨凱/A鍗�(xi茅)鍟嗗揩閫熸敹鏂傛(j墨)鍒�

銆�銆�P/A姗�(j墨)鍒跺嵆Proposal/Agreement姗�(j墨)鍒�銆傚叾鐩殑鏄娇涓�鍊�(g猫)鎸囧畾绔彛鐩″揩閫�(j矛n)鍏orwarding鐙�鎱�(t脿i)銆傚叾閬�(gu貌)绋嬬殑瀹屾垚鏍规摎(j霉)浠ヤ笅骞惧��(g猫)绔彛璁婇噺锛�

銆�銆�A锛塒roposing銆傜暥(d膩ng)涓�鍊�(g猫)鎸囧畾绔彛铏曚簬Discarding鎴朙earning鐙�鎱�(t脿i)鐨勬檪(sh铆)鍊欙紝瑭茶畩閲忕疆浣�銆傚苟鍚戜笅娓镐氦鎻涘偝閬濸roposal浣嶈缃綅鐨凚PDU銆�

銆�銆�B锛塒roposed銆傜暥(d膩ng)绔彛鏀跺埌灏�(du矛)绔殑鎸囧畾绔彛鐧�(f膩)渚�(l谩i)鐨勬敎甯禤roposal鐨凚PDU鐨勬檪(sh铆)鍊�銆傝┎璁婇噺缃綅銆傝┎鎸囩ず鏈恫(w菐ng)娈典笂鐨勬寚瀹氱鍙ｅ笇鏈涘繖閫�(j矛n)鍏orwarding鐙�鎱�(t脿i)銆�

銆�銆�C锛塻ync銆傜暥(d膩ng)Proposed琚ō(sh猫)缃互鍚�锛屾敹鍒癙roposal缃綅淇℃伅鐨勬牴绔彛鏈�(hu矛)渚濇鐐鸿嚜宸辩殑鍏朵粬绔彛缃綅sync璁婇噺銆傚鏋滅鍙ｆ槸闈為倞绶ｇ殑鎸囧畾绔彛鏄墖鏈�(hu矛)閫�(j矛n)鍏iscarding鐙�鎱�(t脿i)銆�

銆�銆�D锛塻ynced銆傜暥(d膩ng)绔彛瀹屾垚杞�(zhu菐n)鍒癉iscarding鍚庯紝锛屾渻(hu矛)瑷�(sh猫)缃嚜宸辩殑synced璁婇噺銆侫lternate銆丅ackup鍜岄倞绶ｇ鍙ｆ渻(hu矛)棣笂瑷�(sh猫)缃┎璁婇噺銆傛牴绔彛鐩�(ji膩n)瑕栧叾浠栫鍙ｇ殑synced锛岀暥(d膩ng)鎵�鏈夊叾浠栫鍙ｇ殑synced鍏ㄨ瑷�(sh猫)缃紝锛屾牴绔彛鏈�(hu矛)瑷�(sh猫)缃嚜宸辩殑synced锛岀劧鍚庡偝鍥濨PDU锛屽叾涓瑼greement闁忚缃綅銆�

銆�銆�E锛塧greed銆傜暥(d膩ng)鎸囧畾绔彛鎺ユ敹鍒颁竴鍊�(g猫)BPDU鏅�(sh铆)锛屽鏋滆┎BPDU涓殑Agreement浣嶈缃綅涓旂鍙ｈ鑹插畾娈垫槸鈥滄牴绔彛鈥�锛岃┎璁婇噺琚ō(sh猫)缃�銆侫greed璁婇噺涓�鏃﹁缃綅锛屾寚瀹氱鍙ｉΜ涓婅綁(zhu菐n)鍏orwarding鐙�鎱�(t脿i)銆�

缍韩(k霉)闆诲瓙閫�锛岄浕瀛愮煡璀�(sh铆)锛屼竴鏌ョ櫨閫氾紒

宸叉敹閷勮姊�160695鍊�(g猫)