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鎮ㄥソ锛屾杩庝締鍒扮董搴浕瀛愬競鍫�(ch菐ng)缍�(w菐ng) 鐧婚寗 | 鍏嶈不(f猫i)娉ㄥ唺(c猫)

鐢熸垚妯规妧琛�(sh霉)
闁辫畝锛�5145鏅�(sh铆)闁擄細2010-11-17 10:06:48

銆�銆�STP锛�鐢熸垚妯瑰崝(xi茅)璀�锛夋槸涓�鍊�(g猫)浜屽堡绠＄悊鍗�(xi茅)璀�銆傚湪涓�鍊�(g猫)鎿�(ku貌)灞曠殑灞�鍩熺恫(w菐ng)涓弮鑸嘢TP鐨勬墍鏈�浜ゆ彌姗�(j墨)涔嬮枔閫氶亷浜ゆ彌姗嬪崝(xi茅)璀版暩(sh霉)鎿�(j霉)鍠厓BPDU锛圔ridge Protocol Data Unit锛変締瀵�(sh铆)鐝�(xi脿n)锛涚偤绌�(w臎n)瀹氱殑鐢熸垚妯规嫇?f霉)娴(ji茅)妲�(g貌u)閬告搰涓�鍊�(g猫)鏍规⿱锛涚偤姣忓��(g猫)浜ゆ彌缍�(w菐ng)娈甸伕鎿囦竴鑷�(t谩i)鎸囧畾浜ゆ彌姗�(j墨)锛涘皣鍐椾綑璺緫涓婄殑浜ゆ彌姗�(j墨)缃偤Blocking锛屼締娑堥櫎缍�(w菐ng)绲�(lu貌)涓殑鐠�(hu谩n)璺��

鐢熸垚妯瑰崝(xi茅)璀�

銆�銆�IEEE鎰忚瓨(sh铆)鍒板師濮�802.1D鐢熸垚妯瑰崝(xi茅)璀扮殑铻嶅悎鐗规�у拰鐝�(xi脿n)浠ｅ寲鐨勪氦鎻涚恫(w菐ng)绲�(lu貌)鍜屾噳(y墨ng)鐢ㄧ浉姣旀槸鏈夊樊璺濈殑锛岀偤姝よō(sh猫)瑷�(j矛)浜嗕竴绋叏鏂扮殑802.1w蹇�熺敓鎴愭ü鍗�(xi茅)璀�(RSTP)锛屼互瑙ｆ焙802.1D鐨勮瀺鍚堝晱椤�銆侷EEE 802.1w RSTP鐨勭壒榛�(di菐n)鏄皣瑷卞鎬濈澧炲�肩敓鎴愭ü鎿�(ku貌)灞曠壒鎬ц瀺鍏ュ師濮�802.1D涓紝濡侾ortfast銆乁plinkfast鍜孊ackbonefast銆傞�氶亷鍒╃敤涓�绋富鍕�(d貌ng)鐨勭恫(w菐ng)姗嬪埌缍�(w菐ng)姗嬫彙鎵嬫(j墨)鍒跺彇浠�802.1D鏍圭恫(w菐ng)姗嬩腑瀹氱京鐨勮▓(j矛)鏅�(sh铆)鍣ㄥ姛鑳�锛孖EEE 802.1w鍗�(xi茅)璀版彁渚涗簡浜ゆ彌姗�(j墨)(缍�(w菐ng)姗�)銆佷氦鎻涙(j墨)绔彛(缍�(w菐ng)姗嬬鍙�)鎴栨暣鍊�(g猫)LAN鐨勫揩閫熸晠闅滄仮寰�(f霉)鍔熻兘銆傞�氶亷灏囩敓鎴愭ü"hello"浣滅偤鏈湴閺堟帴淇濈暀鐨勬(bi膩o)蹇�锛孯STP鏀瑰嫊(d貌ng)浜嗘嫇?f霉)娴(ji茅)妲�(g貌u)鐨勪繚鐣欐柟寮�銆傞�欑ó鍋氭硶浣垮師濮�802.1D fwd-delay鍜宮ax-age瑷�(j矛)鏅�(sh铆)鍣ㄤ富瑕佹垚鐐哄啑浣欒ō(sh猫)鍌欙紝鐩墠涓昏鐢ㄤ簬鍌欎唤锛屼互淇濇寔鍗�(xi茅)璀扮殑姝ｅ父閬�(y霉n)鐕�(y铆ng)銆�

銆�銆�闄や簡涓嬮潰绔犵瘈(ji茅)涓垪鑸夌殑鏂版蹇靛锛孯STP寮曞叆浜嗘柊鐨凚PDU铏曠悊鍜屾柊鐨勬嫇?f霉)娴(ji茅)妲�(g貌u)璁婃洿姗�(j墨)鍒�銆傛瘡鍊�(g猫)缍�(w菐ng)姗嬫瘡娆�"hello time"閮芥渻(hu矛)鐢熸垚BPDU锛屽嵆浣夸粬涓嶅緸鏍圭恫(w菐ng)姗嬫帴鏀舵檪(sh铆)涔熸槸濡傛銆侭PDU璧疯憲缍�(w菐ng)姗嬮枔淇濈暀淇℃伅鐨勪綔鐢�銆傚鏋滀竴鍊�(g猫)缍�(w菐ng)姗嬫湭鑳藉緸鐩搁劙缍�(w菐ng)姗嬫敹鍒癇PDU锛屼粬灏辨渻(hu矛)瑾�(r猫n)鐐哄凡鍜岃┎缍�(w菐ng)姗嬪け鍘婚�ｆ帴锛屽緸鑰屽(sh铆)鐝�(xi脿n)鏇村揩閫熺殑鏁呴殰妾㈡脯(c猫)鍜岃瀺鍚�銆�

銆�銆�鍦≧STP涓�锛屾嫇?f霉)娴(ji茅)妲�(g貌u)璁婃洿鍙湪闈為倞绶ｇ鍙ｈ綁(zhu菐n)鍏ヨ綁(zhu菐n)鐧�(f膩)鐙�鎱�(t脿i)鏅�(sh铆)鐧�(f膩)鐢熴�備笩澶遍�ｆ帴--渚嬪绔彛杞�(zhu菐n)鍏ラ樆濉炵媭鎱�(t脿i)锛屼笉鏈�(hu矛)鍍�802.1D鐩稿悓寮曡捣鎷�?f霉)娴(ji茅)妲�(g貌u)璁婃洿銆�802.1w鐨勬嫇?f霉)娴(ji茅)妲�(g貌u)璁婃洿閫氱煡(TCN)鍔熻兘涓嶅悓浜�802.1D锛屼粬娓涘皯浜嗘暩(sh霉)鎿�(j霉)鐨勬孩娴併�傚湪802.1D涓�锛孴CN琚柈鎾嚦鏍圭恫(w菐ng)姗嬶紝鐒跺悗绲勬挱鑷虫墍鏈夌恫(w菐ng)姗�銆�802.1D TCN鐨勬帴鏀朵娇缍�(w菐ng)姗�?q奴)鈶(zhu菐n)鐧�(f膩)琛ㄤ腑鐨勬墍鏈夊収(n猫i)瀹瑰揩閫熷け鏁�锛岃�岀劇璜栫恫(w菐ng)姗嬭綁(zhu菐n)鐧�(f膩)鎷�?f霉)娴(ji茅)妲�(g貌u)鏄惁鍙楀埌褰遍熆銆傜浉褰箣涓�锛孯STP鍓囬�氶亷鏄庣⒑鍦板憡鐭ョ恫(w菐ng)姗�锛屾孩鍑洪櫎浜嗙稉(j墨ng)鐢盩CN鎺ユ敹绔彛浜嗚В鍒扮殑鍏�(n猫i)瀹瑰鐨勬墍鏈夊収(n猫i)瀹�锛屽劒(y艒u)鍖栦簡瑭叉祦绋�銆俆CN琛岀偤鐨勯�欎竴鏀瑰嫊(d貌ng)妤靛ぇ鍦伴檷浣庝簡鎷�?f霉)娴(ji茅)妲�(g貌u)璁婃洿閬庣▼涓紝MAC鍦板潃鐨勬孩鍑洪噺銆�

瑷�(sh猫)缃甋TP妯″紡

銆�銆�浣跨敤鍛戒护config spanning-tree mode鍙互瑷�(sh猫)缃甋TP妯″紡鐐�802.1d STP鎴栬��802.1w RSTP銆�

銆�銆�閰嶇疆STP锛�

銆�銆�浜ゆ彌姗�(j墨)涓粯瑾�(r猫n)瀛樺湪涓�鍊�(g猫)default STP鍩�銆傚鍩烻TP鏄摯(ku貌)灞曠殑802.1d锛屽畠鍏佽ū鍦ㄥ悓涓�鑷�(t谩i)浜ゆ彌瑷�(sh猫)鍌欎笂鍚屾檪(sh铆)瀛樺湪澶氬��(g猫)STP鍩燂紝鍚勫��(g猫)STP鍩熼兘鎸夌収802.1d閬�(y霉n)琛�锛屽悇鍩熶箣闁撲簰涓嶅奖闊�銆傚畠鎻愪緵浜嗕竴绋兘澶犳洿鐐洪潏娲诲拰绌�(w臎n)瀹氱恫(w菐ng)绲�(lu貌)鐠�(hu谩n)澧冿紝鍩烘湰瀵�(sh铆)鐝�(xi脿n)鍦╒LAN涓▓(j矛)绠楃敓鎴愭ü銆�

銆�銆�1锛夊壍(chu脿ng)寤烘垨鍒櫎STP

銆�銆�鍒╃敤鍛戒护create stpd鍜宒elete stpd鍙互鍓�(chu脿ng)寤烘垨鍒櫎STP銆傜己鐪佺殑default STP鍩熶笉鑳芥墜宸ュ壍(chu脿ng)寤哄拰鍒櫎銆�

銆�銆�2锛変娇鑳芥垨闂�(gu膩n)闁塖TP 浜ゆ彌姗�(j墨)涓璖TP缂虹渷鐙�鎱�(t脿i)鏄棞(gu膩n)闁夌殑銆傚埄鐢ㄥ懡浠onfig stpd鍙互浣胯兘鎴栭棞(gu膩n)闁塖TP銆�

銆�銆�3锛変娇鑳芥垨闂�(gu膩n)闁夋寚瀹歋TP鐨勭鍙�

銆�銆�浜ゆ彌姗�(j墨)涓墍鏈夌鍙ｉ粯瑾�(r猫n)閮芥槸鍙冭垏STP瑷�(j矛)绠楃殑銆備娇鐢ㄥ懡浠onfig stpd port鍙互浣胯兘鎴栭棞(gu膩n)闁夋寚瀹氱殑STP绔彛銆�

STP鐨勫悇绋厤缃殑鍙冩暩(sh霉)

銆�銆�鍒╃敤鍛戒护show stpd port鍙互椤ず绔彛鐨凷TP鐙�鎱�(t脿i)锛屽寘鎷細

銆�銆�绔彛鐙�鎱�(t脿i)

銆�銆�Designated port

銆�銆�绔彛鐨勫悇绋厤缃弮鏁�(sh霉)

鐢熸垚妯圭鍙ｇ殑鍥涚ó鐙�鎱�(t脿i)

銆�銆�Blocking

銆�銆�鎺ユ敹BPDU 锛屼笉瀛�(xu茅)缈�(x铆)MAC 鍦板潃锛屼笉杞�(zhu菐n)鐧�(f膩)鏁�(sh霉)鎿�(j霉)骞�

銆�銆�Listening

銆�銆�鎺ユ敹BPDU, 涓嶅(xu茅)缈�(x铆)MAC 鍦板潃锛屼笉杞�(zhu菐n)鐧�(f膩)鏁�(sh霉)鎿�(j霉)骞�锛屼絾浜ゆ彌姗�(j墨)鍚戝叾浠栦氦鎻涙(j墨)閫氬憡瑭茬鍙�锛屽弮鑸囬伕鑸夋牴绔彛鎴栨寚瀹氱鍙�

銆�銆�Learning

銆�銆�鎺ユ敹鍜岀櫦(f膩)閫丅PDU, 瀛�(xu茅)缈�(x铆)MAC 鍦板潃锛屼笉杞�(zhu菐n)鐧�(f膩)鏁�(sh霉)鎿�(j霉)骞�

銆�銆�Forwarding

銆�銆�姝ｅ父杞�(zhu菐n)鐧�(f膩)鏁�(sh霉)鎿�(j霉)骞�

缍韩闆诲瓙閫�锛岄浕瀛愮煡璀�(sh铆)锛屼竴鏌ョ櫨閫�锛�

宸叉敹閷勮姊�162542鍊�(g猫)