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鍘熺悊
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浣滅敤
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甯哥敤鍒嗘瀽
绨′粙
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鍦ㄥ皬鍨嬬恫(w菐ng)绲�(lu貌)涓紙灏戜簬100鍊�璺敱鍣�锛屾垨闇€瑕佹洿灏戠殑璺敱鏇存柊鍜岃▓绠楃挵(hu谩n)澧冿級锛岃窛闆㈠悜閲�璺敱鍗�(xi茅)璀�閬嬭寰楃浉鐣�(d膩ng)濂�銆傜暥(d膩ng)灏忓瀷缍�(w菐ng)绲�(lu貌)鎿村睍鍒板ぇ鍨嬬恫(w菐ng)绲�(lu貌)鏅傦紝瑭茬畻娉曡▓绠楁柊璺� 鐢辩殑鏀舵杺閫熷害妤垫參锛岃€屼笖鍦ㄥ畠瑷堢畻鐨勯亷绋嬩腑锛岀恫(w菐ng)绲�(lu貌)铏曚簬涓€绋亷娓＄媭鎱�(t脿i)锛屾サ鍙兘鐧�(f膩)鐢熷惊鐠�(hu谩n)骞堕€犳垚鏆檪鐨勬搧濉�銆傚啀鑰�锛岀暥(d膩ng)缍�(w菐ng)绲�(lu貌)搴曞堡閺堣矾鎶€琛�(sh霉)澶氱ó澶氭ǎ锛屽付瀵悇涓嶇浉鍚屾檪锛� 璺濋洟鍚戦噺绠楁硶灏嶆瑕栬€屼笉瑕�銆�
璺濋洟鍚戦噺璺敱鍗�(xi茅)璀�鐨勯€欑ó鐗规€т笉鍍呴€犳垚浜嗙恫(w菐ng)绲�(lu貌)鏀舵杺鐨勫欢鏅�锛岃€屼笖娑堣€椾簡甯跺銆傞毃钁楄矾鐢辫〃鐨勫澶э紝闇€瑕佹秷鑰楁洿澶氱殑CPU璩囨簮锛屽苟娑堣€椾簡鍏�(n猫i)瀛樸€�
2. 閺堣矾鐙€鎱�(t脿i)锛�LS锛�璺敱鍗�(xi茅)璀�
閺堣矾鐙€鎱�(t脿i)璺敱鍗�(xi茅)璀�娌掓湁璺虫暩(sh霉)鐨勯檺鍒�锛屼娇鐢�鈥滃湒褰㈢悊璜栤€濈畻娉曟垨鏈€鐭矾寰戝劒(y艒u)鍏堢畻娉�銆�
閺堣矾鐙€鎱�(t脿i)璺敱鍗�(xi茅)璀�鏈夋洿鐭殑鏀舵杺鏅傞枔銆佹敮鎸�VLSM锛堝彲璁婇暦瀛愮恫(w菐ng)鎺╃⒓锛夊拰CIDR銆�
閺堣矾鐙€鎱�(t脿i)璺敱鍗�(xi茅)璀�鍦ㄧ洿鎺ョ浉閫ｇ殑璺敱涔嬮枔缍(h霉)姝ｅ父鐨勯劙灞呴棞(gu膩n)绯�銆傞€欏厑瑷辫矾鐢辨洿蹇敹鏂�銆傞張璺媭鎱�(t脿i)璺敱鍗�(xi茅)璀�鍦ㄦ渻瑭辨湡闁撻€氶亷浜ゆ彌Hello鍖咃紙涔熷彨閺堣矾鐙€鎱�(t脿i)淇℃伅锛夊壍(chu脿ng)寤哄皪绛夐棞(gu膩n)绯�锛岄€欑ó闂�(gu膩n)绯诲姞閫熶簡璺敱鐨勬敹鏂�銆�
3.閺堣矾鐙€鎱�(t脿i)璺敱鍗�(xi茅)璀�鍜岃窛闆㈠悜閲�璺敱鍗�(xi茅)璀�鐨勬瘮杓�
涓嶅儚璺濋洟鍚戦噺璺敱鍗�(xi茅)璀�閭ｆǎ锛屾洿鏂版檪鐧�(f膩)閫佹暣鍊嬭矾鐢辫〃銆傞張璺媭鎱�(t脿i)璺敱鍗�(xi茅)璀�鍙唬鎾洿鏂扮殑鎴栨敼璁婄殑缍�(w菐ng)绲�(lu貌)鎷�?f霉)?锛岄€欎娇寰楁洿鏂�淇℃伅鏇村皬锛岀瘈(ji茅)鐪佷簡甯跺鍜�CPU鍒╃敤鐜�銆傚彟澶栵紝濡傛灉缍�(w菐ng)绲�(lu貌)涓嶇櫦(f膩)鐢熻畩鍖�锛屾洿鏂板寘鍙湪鐗瑰畾鐨勬檪闁撳収(n猫i)鐧�(f膩)鍑猴紙閫氬父鐐�30min鍒�2h锛夈€�
4 甯哥敤鍕曟厠(t脿i)璺敱鍗�(xi茅)璀�鐨勫垎鏋�
4.1 RIP锛堝湅闅涘叕鏈�锛屾渶鍙よ€佺殑璺敱鍗�(xi茅)璀�锛屼笉閬庢湁寰堝缂洪櫡锛�
RIP锛堣矾鐢�淇℃伅鍗�(xi茅)璀帮級鏄�璺敱鍣�鐢熺敘(ch菐n)鍟嗕箣闁撲娇鐢ㄧ殑绗竴鍊嬮枊鏀炬(bi膩o)婧�(zh菙n)锛屾槸鏈€寤ｆ硾鐨�璺敱鍗�(xi茅)璀�锛屽湪鎵€鏈�IP璺敱骞宠嚭涓婇兘鍙互寰楀埌銆傜暥(d膩ng)浣跨敤RIP鏅�锛屼竴鑷� Cisco璺敱鍣�鍙互鑸囧叾浠栧粻鍟嗙殑璺敱鍣�閫ｆ帴銆�RIP鏈夊叐鍊嬬増鏈細RIPv1鍜�RIPv2锛屽畠鍊戝潎鍩轰簬缍�(j墨ng)鍏哥殑璺濋洟鍚戦噺璺敱绠楁硶锛屾渶澶ц烦鏁�(sh霉)鐐�15璺�銆�
RIPv1鏄湁椤炶矾鐢憋紙Classful Routing锛夊崝(xi茅)璀�锛屽洜璺敱涓婁笉鍖呮嫭鎺╃⒓淇℃伅锛屾墍浠ョ恫(w菐ng)绲�(lu貌)涓婄殑鎵€鏈夎ō(sh猫)鍌欏繀闋堜娇鐢ㄧ浉鍚岀殑瀛愮恫(w菐ng)鎺╃⒓锛屼笉鏀寔VLSM銆�RIPv2鍙櫦(f膩)閫佸瓙缍�(w菐ng)鎺╃⒓淇℃伅锛屾槸鐒￠璺敱锛�Classless Routing锛夊崝(xi茅)璀�锛屾敮鎸�VLSM銆�
RIP浣跨敤UDP鏁�(sh霉)鎿�(j霉)鍖�鏇存柊璺敱淇℃伅銆�璺敱鍣�姣忛殧30s鏇存柊涓€娆¤矾鐢�淇℃伅锛屽鏋滃湪180s鍏�(n猫i)娌掓湁鏀跺埌鐩搁劙璺敱鍣�鐨勫洖鎳�(y墨ng)锛屽墖瑾�(r猫n)鐐哄幓寰€瑭�璺敱鍣�鐨勮矾鐢变笉鍙敤锛岃┎璺敱鍣�涓嶅彲鍒伴仈(d谩)銆傚鏋滃湪240s鍚庝粛鏈敹鍒拌┎璺敱鍣�鐨勬噳(y墨ng)绛�锛屽墖鎶婃湁闂�(gu膩n)瑭�璺敱鍣�鐨勮矾鐢�淇℃伅寰炶矾鐢辫〃涓埅闄�銆�
RIP鍏锋湁浠ヤ笅鐗归粸锛�
路 涓嶅悓寤犲晢鐨�璺敱鍣�鍙互閫氶亷RIP浜掕伅(li谩n)锛�
路 閰嶇疆绨″柈锛� 路 閬╃敤浜庡皬鍨嬬恫(w菐ng)绲�(lu貌)锛堝皬浜�15璺筹級锛�
路 RIPv1涓嶆敮鎸�VLSM锛�
路 闇€娑堣€�寤ｅ煙缍�(w菐ng)甯跺锛�
路 闇€娑堣€�CPU銆佸収(n猫i)瀛樿硣婧�銆�
RIP鐨勭畻娉曠啊鍠紝浣嗗湪璺緫杓冨鏅傛敹鏂傞€熷害鎱�锛屽唬鎾矾鐢�淇℃伅鏅傚崰鐢ㄧ殑甯跺璩囨簮杓冨锛屽畠閬╃敤浜�缍�(w菐ng)绲�(lu貌)鎷�?f霉)娴(ji茅)妲�(g貌u)鐩稿皪绨″柈涓旀暩(sh霉)鎿�(j霉)閺堣矾鏁呴殰鐜囨サ浣庣殑灏忓瀷缍�(w菐ng)绲�(lu貌)涓�锛屽湪澶у瀷缍�(w菐ng)绲�(lu貌)涓紝涓€鑸笉浣跨敤RIP銆�
4.2 IGRP锛堝凡缍�(j墨ng)閫€鍑烘鍙茬殑鑸炶嚭锛�
鍏�(n猫i)閮ㄧ恫(w菐ng)闂�(gu膩n)璺敱鍗�(xi茅)璀�锛�Interior Gateway Routing Protocol锛�IGRP锛夋槸Cisco鍏徃20涓栫磤(j矛)80骞翠唬闁嬬櫦(f膩)鐨勶紝鏄竴 绋嫊鎱�(t脿i)鐨�銆侀暦璺ㄥ害锛堟渶澶у彲鏀寔255璺筹級鐨�璺敱鍗�(xi茅)璀�锛屼娇鐢ㄥ害閲忥紙鍚戦噺锛変締纰哄畾鍒伴仈(d谩)涓€鍊嬬恫(w菐ng)绲�(lu貌)鐨勬渶浣宠矾鐢憋紝鐢卞欢鏅�銆佸付瀵€佸彲闈犳€у拰璨�(f霉)杓夌瓑渚嗚▓绠楁渶鍎�(y艒u)璺敱锛屽畠鍦� 鍚屽€嬭嚜娌荤郴绲�(t菕ng)鍏�(n猫i)鍏锋湁楂樿法搴�锛岄仼鍚堝京(f霉)闆滅殑缍�(w菐ng)绲�(lu貌)銆�Cisco IOS鍏佽ū璺敱鍣�绠＄悊鍝″皪IGRP鐨勭恫(w菐ng)绲�(lu貌)甯跺銆佸欢鏅�銆佸彲闈犳€у拰璨�(f霉)杓夐€�(j矛n)琛屾瑠(qu谩n)閲嶈ō(sh猫)缃紝浠ュ奖闊垮害閲忕殑瑷� 绠�銆�
鍍�RIP涓€妯ｏ紝IGRP浣跨敤UDP鐧�(f膩)閫佽矾鐢辫〃闋�銆傛瘡鍊�璺敱鍣�姣忛殧90s鏇存柊涓€娆¤矾鐢�淇℃伅锛屽鏋�270s鍏�(n猫i)娌掓湁鏀跺埌鏌�璺敱鍣�鐨勫洖鎳�(y墨ng)锛屽墖瑾�(r猫n)鐐鸿┎璺敱鍣�涓嶅彲鍒伴仈(d谩)锛涘鏋�630s鍏�(n猫i)浠嶆湭鏀跺埌鎳�(y墨ng)绛旓紝鍓�IGRP閫�(j矛n)绋嬪皣寰炶矾鐢辫〃涓埅闄よ┎璺敱銆�
鑸�RIP鐩告瘮锛�IGRP鐨勬敹鏂傛檪闁撴洿闀凤紝浣嗗偝杓歌矾鐢�淇℃伅鎵€闇€鐨勫付瀵笡灏�锛屾澶�锛�IGRP鐨勫垎绲勬牸寮忎腑鐒＄┖鐧藉瓧绡€(ji茅)锛屽緸鑰屾彁楂樹簡IGRP鐨勫牨鏂囨晥鐜�銆備絾IGRP鐐�Cisco鍏徃灏堟湁锛屽儏闄愪簬Cisco鐢�(ch菐n)鍝�銆�
4.3 EIGRP锛堟€濈绉佹湁锛�
闅ㄨ憲缍�(w菐ng)绲�(lu貌)瑕�(gu墨)妯＄殑鎿村ぇ鍜岀敤鎴堕渶姹傜殑澧為暦锛屽師渚嗙殑IGRP宸查’寰楀姏涓嶅緸蹇冿紝浜庢槸锛�Cisco鍏徃鍙堥枊鐧�(f膩)浜嗗寮风殑IGRP锛屽嵆EIGRP銆�EIGRP浣跨敤鑸�IGRP鐩稿悓鐨勮矾鐢辩畻娉曪紝浣嗗畠闆嗘垚浜嗛張璺媭鎱�(t脿i)璺敱鍗�(xi茅)璀�鍜岃窛闆㈠悜閲�璺敱鍗�(xi茅)璀�鐨勯暦铏�锛屽悓鏅傚姞鍏ユ暎鎾洿鏂扮畻娉曪紙DUAL锛�銆�
EIGRP鍏锋湁濡備笅鐗归粸锛�
路 蹇€熸敹鏂�銆傚揩閫熸敹鏂傛槸鍥犵偤浣跨敤浜嗘暎鎾洿鏂扮畻娉�锛岄€氶亷鍦ㄨ矾鐢辫〃涓倷浠借矾鐢辫€屽鐝�(xi脿n)锛屼篃灏辨槸鍒伴仈(d谩)鐩殑缍�(w菐ng)绲�(lu貌)鐨勬渶灏忛枊閵峰拰娆℃渶灏忛枊閵凤紙涔熷彨閬╁疁鍚庣辜锛� feasible successor锛夎矾鐢遍兘琚繚瀛樺湪璺敱琛ㄤ腑锛岀暥(d膩ng)鏈€灏忛枊閵风殑璺敱涓嶅彲鐢ㄦ檪锛屽揩閫熷垏鎻涘埌娆℃渶灏忛枊閵疯矾鐢变笂锛屽緸鑰岄仈(d谩)鍒板揩閫熸敹鏂傜殑鐩殑銆�
路 娓涘皯浜嗗付瀵殑娑堣€�銆�EIGRP涓嶅儚RIP鍜�IGRP閭ｆǎ锛屾瘡闅斾竴娈垫檪闁撳氨浜ゆ彌涓€娆¤矾鐢�淇℃伅锛屽畠鍍呯暥(d膩ng)鏌愬€嬬洰鐨勭恫(w菐ng)绲�(lu貌)鐨勮矾鐢辩媭鎱�(t脿i)鏀硅畩鎴栬矾鐢辩殑搴﹂噺鐧�(f膩)鐢熻畩 鍖栨檪锛屾墠鍚戦劙鎺ョ殑EIGRP璺敱鍣�鐧�(f膩)閫佽矾鐢辨洿鏂帮紝鍥犳锛屽叾鏇存柊璺敱鎵€闇€鐨勫付瀵瘮RIP鍜�EIGRP灏忓緱澶氣€斺€旈€欑ó鏂瑰紡鍙Ц鐧�(f膩)寮忥紙triggered锛�銆�
路 澧炲ぇ缍�(w菐ng)绲�(lu貌)瑕�(gu墨)妯�銆傚皪浜�RIP锛屽叾缍�(w菐ng)绲�(lu貌)鏈€澶у彧鑳芥槸15璺筹紙hop锛夛紝鑰�EIGRP鏈€澶у彲鏀寔255璺筹紙hop锛�銆�
路 娓涘皯璺敱鍣�CPU鐨勫埄鐢�銆傝矾鐢辨洿鏂板儏琚櫦(f膩)閫佸埌闇€瑕佺煡閬撶媭鎱�(t脿i)鏀硅畩鐨勯劙鎺�璺敱鍣�锛岀敱浜庝娇鐢ㄤ簡澧為噺鏇存柊锛�EIGRP姣�IGRP浣跨敤鏇村皯鐨�CPU銆�
路 鏀寔鍙畩闀峰瓙缍�(w菐ng)鎺╃⒓銆�
路 IGRP鍜�EIGRP鍙嚜鍕曠Щ妞�銆�IGRP璺敱鍙嚜鍕曢噸鏂板垎鐧�(f膩)鍒�EIGRP涓�锛�EIGRP涔熷彲灏囪矾鐢辫嚜鍕曢噸鏂板垎鐧�(f膩)鍒�IGRP涓€傚鏋滄効鎰�锛屼篃鍙互闂�(gu膩n)鎺夎矾鐢辩殑閲嶅垎鐧�(f膩)銆�
路 EIGRP鐐烘ā濉婂寲瑷�(sh猫)瑷堬紝鏀寔涓夌ó鍙矾鐢辩殑鍗�(xi茅)璀帮紙IP銆�IPX銆�AppleTalk锛夛紝鏇存柊鐗堟湰鏀寔IPv6銆�
路 鏀寔闈炵瓑鍊艰矾寰戠殑璨�(f霉)杓夊潎琛°€�
路 鍥�EIGIP鏄�Cisco鍏徃闁嬬櫦(f膩)鐨勫皥鐢ㄥ崝(xi茅)璀�锛屽洜姝�锛岀暥(d膩ng)Cisco瑷�(sh猫)鍌欏拰鍏朵粬寤犲晢鐨勮ō(sh猫)鍌欎簰鑱�(li谩n)鏅�锛屼笉鑳戒娇鐢�EIGRP
4.4 OSPF锛堝湅闅涘叕鏈夛級
闁嬫斁寮忔渶鐭矾寰戝劒(y艒u)鍏堬紙Open Shortest Path First锛�OSPF锛夊崝(xi茅)璀版槸涓€绋偤IP缍�(w菐ng)绲�(lu貌)闁嬬櫦(f膩)鐨�鍏�(n猫i)閮ㄧ恫(w菐ng)闂�(gu膩n)璺敱閬告搰鍗�(xi茅)璀�锛岀敱IETF闁� 鐧�(f膩)骞舵帹钖︿娇鐢ㄣ€�OSPF鍗�(xi茅)璀扮敱涓夊€嬪瓙鍗�(xi茅)璀扮祫鎴愶細Hello鍗�(xi茅)璀�銆佷氦鎻涘崝(xi茅)璀板拰鎿存暎鍗�(xi茅)璀�銆傚叾涓�Hello鍗�(xi茅)璀拌矤(f霉)璨�(z茅)妾㈡煡閺堣矾鏄惁鍙敤锛屽苟瀹屾垚鎸囧畾璺敱鍣�鍙婂倷浠芥寚 瀹�璺敱鍣�锛涗氦鎻涘崝(xi茅)璀板畬鎴愨€滀富鈥�銆佲€滃緸鈥�璺敱鍣�鐨勬寚瀹氬苟浜ゆ彌鍚勮嚜鐨勮矾鐢辨暩(sh霉)鎿�(j霉)搴�淇℃伅锛涙摯鏁ｅ崝(xi茅)璀板畬鎴愬悇璺敱鍣�涓矾鐢辨暩(sh霉)鎿�(j霉)搴殑鍚屾缍(h霉)銆�
OSPF鍗�(xi茅)璀板叿鏈変互涓嬪劒(y艒u)榛烇細
路 OSPF鑳藉鍦ㄨ嚜宸辩殑閺堣矾鐙€鎱�(t脿i)鏁�(sh霉)鎿�(j霉)搴収(n猫i)琛ㄧず鏁村€嬬恫(w菐ng)绲�(lu貌)锛岄€欐サ澶у湴娓涘皯浜嗘敹鏂傛檪闁�锛屽苟涓旀敮鎸佸ぇ鍨嬬暟妲�(g貌u)缍�(w菐ng)绲�(lu貌)鐨勪簰鑱�(li谩n)锛屾彁渚涗簡涓€鍊嬬暟妲�(g貌u)缍�(w菐ng)绲�(lu貌)闁撻€氶亷鍚屼竴绋崝(xi茅)璀颁氦鎻涚恫(w菐ng)绲�(lu貌)淇℃伅鐨勯€斿緫锛屽苟涓斾笉瀹规槗鍑虹従(xi脿n)閷鐨勮矾鐢�淇℃伅銆� 路 OSPF鏀寔閫氬線鐩稿悓鐩殑鐨勫閲嶈矾寰�銆�
路 OSPF浣跨敤璺敱妯�(bi膩o)绨藉崁(q奴)鍒嗕笉鍚岀殑澶栭儴璺敱銆�
路 OSPF鏀寔璺敱椹楄瓑锛屽彧鏈変簰鐩搁€氶亷璺敱椹楄瓑鐨�璺敱鍣�涔嬮枔鎵嶈兘浜ゆ彌璺敱淇℃伅锛涘苟涓斿彲浠ュ皪涓嶅悓鐨勫崁(q奴)鍩熷畾缇╀笉鍚岀殑椹楄瓑鏂瑰紡锛屽緸鑰屾彁楂樹簡缍�(w菐ng)绲�(lu貌)鐨勫畨鍏ㄦ€�銆�
路 OSPF鏀寔璨荤敤鐩稿悓鐨勫姊濋張璺笂鐨勮矤(f霉)杓夊潎琛°€�
路 OSPF鏄竴鍊嬬劇椤�璺敱鍗�(xi茅)璀�锛岃矾鐢�淇℃伅涓嶅彈璺虫暩(sh霉)鐨勯檺鍒讹紝娓涘皯浜嗗洜鍒嗙礆璺敱甯朵締鐨勫瓙缍�(w菐ng)鍒嗛洟鍟忛銆�
路 OSPF鏀寔VLSM鍜岀劇椤炶矾鐢辨煡琛紝鏈夊埄浜庣恫(w菐ng)绲�(lu貌)鍦板潃鐨勬湁鏁堢鐞�銆�
路 OSPF浣跨敤AREA灏嶇恫(w菐ng)绲�(lu貌)閫�(j矛n)琛屽垎灞わ紝娓涘皯浜嗗崝(xi茅)璀板皪CPU铏曠悊鏅傞枔鍜屽収(n猫i)瀛樼殑闇€姹�銆�
4.5 BGP
BGP鐢ㄤ簬閫ｆ帴Internet銆�BGPv4鏄竴绋閮ㄧ殑璺敱鍗�(xi茅)璀�銆傚彲瑾�(r猫n)鐐烘槸涓€绋珮绱氱殑璺濋洟鍚戦噺璺敱鍗�(xi茅)璀�銆�
鍦�BGP缍�(w菐ng)绲�(lu貌)涓紝鍙互灏囦竴鍊嬬恫(w菐ng)绲�(lu貌)鍒嗘垚澶氬€嬭嚜娌荤郴绲�(t菕ng)銆傝嚜娌荤郴绲�(t菕ng)闁撲娇鐢�eBGP寤ｆ挱璺敱锛岃嚜娌荤郴绲�(t菕ng)鍏�(n猫i)浣跨敤iBGP鍦ㄨ嚜宸辩殑缍�(w菐ng)绲�(lu貌)鍏�(n猫i)寤ｆ挱璺敱銆�
Internet鐢卞鍊嬩簰鐩搁€ｆ帴鐨勫晢妤�(y猫)缍�(w菐ng)绲�(lu貌)绲勬垚銆傛瘡鍊嬩紒妤�(y猫)缍�(w菐ng)绲�(lu貌)鎴�ISP蹇呴爤瀹氱京涓€鍊嬭嚜娌荤郴绲�(t菕ng)铏燂紙ASN锛�銆傞€欎簺鑷不绯荤当(t菕ng)铏熺敱IANA 锛�Internet Assigned Numbers Authority锛夊垎閰�銆傚叡鏈�65535鍊嬪彲鐢ㄧ殑鑷不绯荤当(t菕ng)铏燂紝鍏朵腑65512~65535鐐虹 鐢ㄤ繚鐣�銆傜暥(d膩ng)鍏变韩璺敱淇℃伅鏅傦紝閫欏€嬭櫉纰间篃鍏佽ū浠ュ堡鐨勬柟寮忛€�(j矛n)琛岀董璀�(h霉)銆�
BGP浣跨敤鍙潬鐨勬渻瑭辩鐞�锛�TCP涓殑179绔彛鐢ㄤ簬瑙哥櫦(f膩)Update鍜�Keepalive淇℃伅鍒板畠鐨勯劙灞�锛屼互鍌虫挱鍜屾洿鏂�BGP璺敱琛ㄣ€�
鍦�BGP缍�(w菐ng)绲�(lu貌)涓�锛岃嚜娌荤郴绲�(t菕ng)鏈夛細 1. Stub AS
鍙湁涓€鍊嬪叆鍙ｅ拰涓€鍊嬪嚭鍙ｇ殑缍�(w菐ng)绲�(lu貌)銆�
2. 杞�(zhu菐n)鎺�AS锛�Transit AS锛�
鐣�(d膩ng)鏁�(sh霉)鎿�(j霉)寰炰竴鍊�AS鍒板彟涓€鍊�AS鏅�锛屽繀闋堢稉(j墨ng)閬�Transit AS銆�
濡傛灉浼佹キ(y猫)缍�(w菐ng)绲�(lu貌)鏈夊鍊�AS锛屽墖鍦ㄤ紒妤�(y猫)缍�(w菐ng)绲�(lu貌)涓彲瑷�(sh猫)缃�Transit AS銆�
IGP鍜�BGP鏈€澶х殑涓嶅悓涔嬭檿鍦ㄤ簬閬嬭鍗�(xi茅)璀扮殑瑷�(sh猫)鍌欎箣闁撻€氶亷鐨勯檮鍔�淇℃伅鐨勭附鏁�(sh霉)涓嶅悓銆�IGP浣跨敤鐨勮矾鐢辨洿鏂板寘姣�BGP浣跨敤鐨勮矾鐢辨洿鏂板寘鏇�?銆傘剴铏�?/span>BGP鎵胯級鏇村鐨勮矾鐢�灞€�锛�銆�BGP鍙湪绲﹀畾鐨勮矾鐢变笂闄勪笂寰堝灞€�銆�
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BGP蹇呴爤渚濋潬闈㈠悜閫ｆ帴鐨�TCP鏈冭┍浠ユ彁渚涢€ｆ帴鐙€鎱�(t脿i)銆傚洜鐐�BGP涓嶈兘浣跨敤Keepalive淇℃伅锛堜絾鍦ㄦ櫘閫氶牠涓婂瓨鏀炬湁Keepalive淇℃伅锛屼互鍏佽ū 璺敱鍣�鏍￠鏈冭┍鏄惁Active锛�銆傛(bi膩o)婧�(zh菙n)鐨�Keepalive鏄湪闆昏矾涓婂緸涓€鍊�璺敱鍣�閫佸線鍙︿竴鍊�璺敱鍣�鐨�淇℃伅锛岃€屼笉浣跨敤TCP鏈冭┍銆�璺敱鍣�浣跨敤闆昏矾涓婄殑閫� 浜涗俊铏熶締鏍￠闆昏矾娌掓湁閷鎴栨矑鏈夌櫦(f膩)鐝�(xi脿n)闆昏矾銆� 鏌愪簺鎯呮硜涓嬶紝闇€瑕佷娇鐢�BGP锛�
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路 鐣�(d膩ng)浣犻€ｆ帴鍏╁€嬫垨澶氬€�ISP銆�NAP锛堢恫(w菐ng)绲�(lu貌)瑷晱榛烇級鍜屼氦鎻涢粸鏅�銆�
浠ヤ笅涓夌ó鎯呮硜涓嶈兘浣跨敤BGP锛�
路 濡傛灉浣犵殑璺敱鍣�涓嶆敮鎸�BGP鎵€闇€鐨勫ぇ鍨嬭矾鐢辫〃鏅�锛�
路 鐣�(d膩ng)Internet鍙湁涓€鍊嬮€ｆ帴鏅傦紝浣跨敤榛樿獚(r猫n)璺敱锛�
路 鐣�(d膩ng)浣犵殑缍�(w菐ng)绲�(lu貌)娌掓湁瓒冲鐨勫付瀵締鍌抽€佹墍闇€鐨勬暩(sh霉)鎿�(j霉)鏅傦紙鍖呮嫭BGP璺敱琛級
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