串口S0/0/0配置的子网掩码255.255.255.252,可分配的IP地址最多有几个 子网掩码是255.255.255.224有 多少个有效IP地...
\u5b50\u7f51\u63a9\u7801255.255.255.252\u600e\u4e48\u7b97ip\u5730\u574022 /2 /30 | 255.255.255.252 4194302 /2
\u5b50\u7f51\u63a9\u7801\u7684\u5feb\u901f\u7b97\u6cd5
\u5927\u5bb6\u90fd\u5e94\u8be5\u77e5\u90532\u76840\u6b21\u65b9\u523010\u6b21\u65b9\u662f\u591a\u5c11\u628a? \u4e5f\u7ed9\u5927\u5bb6\u8bf4\u4e00\u4e0b\uff0c\u5206\u522b\u662f\uff1a1 2 4 8 16 32 64 128 256 512 1024\u3002
\u5982\u679c\u4f60\u5e0c\u671b\u6bcf\u4e2a\u5b50\u7f51\u4e2d\u53ea\u67095\u4e2aip \u5730\u5740\u53ef\u4ee5\u7ed9\u673a\u5668\u7528\uff0c\u90a3\u4e48\u4f60\u5c31\u6700\u5c11\u9700\u8981\u51c6\u5907\u7ed9\u6bcf\u4e2a\u5b50\u7f517\u4e2aip \u5730\u5740\uff0c\u56e0\u4e3a\u9700\u8981\u52a0\u4e0a\u4e24\u5934\u7684\u4e0d\u53ef\u7528\u7684\u7f51\u7edc\u548c\u5e7f\u64adip \uff0c\u6240\u4ee5\u4f60\u9700\u8981\u9009\u6bd47\u591a\u7684\u6700\u8fd1\u7684\u90a3\u4f4d\uff0c\u4e5f\u5c31\u662f8\uff0c\u5c31\u662f\u8bf4\u9009\u6bcf\u4e2a\u5b50\u7f518\u4e2aip \u3002\u597d\uff0c\u5230\u8fd9\u4e00\u6b65\uff0c\u4f60\u5c31\u53ef\u4ee5\u7b97\u63a9\u7801\u4e86\uff0c\u8fd9\u4e2a\u65b9\u6cd5\u5c31\u662f:\u6700\u540e\u4e00\u4f4d\u63a9\u7801\u5c31\u662f256\u51cf\u53bb\u4f60\u6bcf\u4e2a\u5b50\u7f51\u6240\u9700\u8981\u7684ip \u5730\u5740\u7684\u6570\u91cf\uff0c\u90a3\u4e48\u8fd9\u4e2a\u4f8b\u5b50\u5c31\u662f256-8=248\uff0c\u90a3\u4e48\u7b97\u51fa\u8fd9\u4e2a\uff0c\u4f60\u5c31\u53ef\u4ee5\u77e5\u9053\u90a3\u4e9bip \u662f\u4e0d\u80fd\u7528\u7684\u4e86\uff0c\u770b:0-7,8-15,16-23,24-31\u4f9d\u6b64\u7c7b\u63a8\uff0c\u5199\u5728\u4e0a\u9762\u76840\u30017\u30018\u300115\u300116\u300123\u300124\u300131(\u4f9d\u6b64\u7c7b\u63a8) \u90fd\u662f\u4e0d\u80fd\u7528\u7684\uff0c\u4f60\u5e94\u8be5\u7528\u67d0\u4e24\u4e2a\u6570\u5b57\u4e4b\u95f4\u7684IP \uff0c\u90a3\u4e2a\u5c31\u662f\u4e00\u4e2a\u5b50\u7f51\u53ef\u7528\u7684IP \uff0c\u600e\u4e48\u4e86? \u662f\u4e0d\u662f\u4e0d\u76f8\u4fe1? \u592a\u7b80\u5355\u4e86\u3002
\u6211\u518d\u8bd5\u9a8c\u4e00\u4e0b\uff0c\u5c31\u62ff200\u53f0\u673a\u5668\u5206\u62104\u4e2a\u5b50\u7f51\u6765\u505a\u4f8b\u5b50\u5427\u3002
200\u53f0\u673a\u5668\uff0c4\u4e2a\u5b50\u7f51\uff0c\u90a3\u4e48\u5c31\u662f\u6bcf\u4e2a\u5b50\u7f5150\u53f0\u673a\u5668\uff0c\u8bbe\u5b9a\u4e3a192.168.10.0\uff0cC \u7c7b\u7684IP \uff0c\u5927\u5b50\u7f51\u63a9\u7801\u5e94\u4e3a255.255.255.0\uff0c\u5bf9\u5df4\uff0c\u4f46\u662f\u6211\u4eec\u8981\u5206\u5b50\u7f51\uff0c\u6240\u4ee5\u6309\u7167\u4e0a\u9762\u7684\uff0c\u6211\u4eec\u752832\u4e2aIP \u4e00\u4e2a\u5b50\u7f51\u5185\u4e0d\u591f\uff0c\u5e94\u8be5\u6bcf\u4e2a\u5b50\u7f51\u752864\u4e2aIP(\u5176\u4e2d 62\u4f4d\u53ef\u7528\uff0c\u8db3\u591f\u4e86\u5427) \uff0c\u7136\u540e\u7528\u6211\u7684\u529e\u6cd5:\u5b50\u7f51\u63a9\u7801\u5e94\u8be5\u662f256-64=192\uff0c\u90a3\u4e48\u603b\u7684\u5b50\u7f51\u63a9\u7801\u5e94\u8be5\u4e3a:255.255.255.192\u3002\u4e0d\u76f8\u4fe1? \u7b97\u7b97:0-63\uff0c64-127\uff0c128-191\uff0c192-255\uff0c\u8fd9\u6837\u4f60\u5c31\u53ef\u4ee5\u628a\u56db\u4e2a\u533a\u57df\u5206\u522b\u8bbe\u5b9a\u5230\u56db\u4e2a\u5b50\u7f51\u7684\u673a\u5668\u4e0a\u4e86\uff0c\u662f\u4e0d\u662f\u5f88\u7b80\u5355? \u4e0d\u9700\u8981\u8f6f\u4ef6\u7b97\u4e86\u5427\u3002
/24\u5c31\u662f255.255.255.0~\u5b50\u7f51\u63a9\u7801\u54e6\u3002\u4e00\u4e2a10\u8fdb\u5236\u7684255~\u5c31\u662f2\u8fdb\u5236\u76848\u4e2a1\u3002\u4e09\u4e2a255.255.255`\u5c31\u662f24\u4e2a1~\u6240\u4ee5\u519924\u3002
\u6bd4\u5982\uff1a\u6211ip \u662f:218.77.26.114/255.255.255.192\u5e94\u8be5\u600e\u4e48\u6362\u7b97\u6210\u7f29\u7565\u5b50\u7f51\u63a9\u7801\u65b9\u5f0f\uff0c
255.255.255.192 \u6362\u7b97\u6210\u4e8c\u8fdb\u5236\uff1a11111111.11111111.11111111.11000000
\u524d\u4e09\u7ec4\u90fd\u662f8bit, \u7b2c\u56db\u7ec4 192 -> 11000000 \u8868\u793a2bit (\u5de6\u8d7711) \u7528\u505asubnet(\u5b50\u7f51) \u90a3\u672b\u8fd9\u4e2a\u5b50\u7f51\u63a9\u7801\u4e2d\u5171\u67098+8+8+2 = 26 bit \u662f\u7528\u4f5c\u7f51\u7edc\u6807\u8bc6\u3002
\u7ed3\u679c\uff1a218.77.26.144/255.255.255.192 => 218.77.26.144/26\u3002
30\u4e2a\u3002
1\u3001\u5b50\u7f51\u63a9\u7801\u662f255.255.255.224\u6362\u7b97\u6210\u4e8c\u8fdb\u5236\u5c31\u662f11111111.11111111.11111111.11100000,\u5176\u4e2d\u524d\u9762\u4e3a1\u7684\u8868\u793a\u662f\u7f51\u7edc\u4f4d\uff0c\u540e\u9762\u4e3a0\u7684\u8868\u793a\u4e3b\u673a\u4f4d\uff0c\u6240\u4ee5\u524d27\u4f4d\u662f\u7f51\u7edc\u53f7\uff0c\u540e5\u4f4d\u662f\u4e3b\u673a\u53f7\u3002
2\u3001\u7531\u6b64\u53ef\u4ee5\u770b\u5230\u4e3b\u673a\u4f4d\u4e3a5,\u5b50\u7f51\u5185IP\u4e3a2^5=32\u3002
3\u3001\u4f46\u662f\u8981\u53bb\u63891\u4e2a\u51680\u548c1\u4e2a\u51681\u5730\u5740\uff0c\u56e0\u4e3a\u4e3b\u673a\u4f4d\u51680\u8868\u793a\u672c\u7f51\u7edc\uff0c\u51681\u7559\u4f5c\u5e7f\u64ad\u5730\u5740\uff0c\u8fd9\u4e24\u79cd\u60c5\u51b5\u4e0b\u5b50\u7f51\u662f\u6ca1\u6709\u53ef\u7528\u4e3b\u673a\u5730\u5740\u7684\u3002
4\u3001\u6240\u4ee5\u6709\u6548IP\u5730\u5740\u4e3a32-2=30\u4e2a\u3002
\u62d3\u5c55\u8d44\u6599\uff1a
\u6709\u6548IP\u5730\u5740\u7684\u8ba1\u7b97\u65b9\u6cd5\u603b\u7ed3\uff1a
1\u3001\u786e\u5b9a\u8be5IP\u662f\u5c5e\u4e8e\u54ea\u4e00\u7c7b\u3002\u6709A\uff0cB\uff0cC\uff0cD\uff0cE\u4e94\u7c7b\uff0c\u540e\u9762\u4e24\u7c7b\u57fa\u672c\u4e0a\u6ca1\u6709\u7528\u5230\u3002\uff080.0.0.0\u2014\u2014127.255.255.255\u662fA\u7c7b\uff0c128.0.0.0\uff0d191.255.255.255\u662fB\u7c7b\uff0c192.0.0.0\u2014\u2014223.255.255.255\u662fC\u7c7b\u3002\uff09\u5224\u65ad\u51fa\u662f\u54ea\u4e00\u7c7b\u540e\uff0c\u5c31\u53ef\u4ee5\u77e5\u9053\u4ed6\u672c\u6765\u6709\u591a\u5c11\u4f4d\u505a\u7f51\u7edc\u53f7\uff08A\u7c7b\u524d8\u4f4d\uff0cB\u7c7b\u524d16\u4f4d\uff0cC\u7c7b\u524d24\u4f4d\u3002\uff09
2\u3001\u628a\u5b50\u7f51\u63a9\u7801\u5316\u62102\u8fdb\u5236\u770b\u6709\u591a\u5c11\u4e2a1\uff0c\u628a\u8be5\u8fdb\u5236\u4e2d1\u7684\u4e2a\u6570\u51cf\u53bb\u7b2c\u4e00\u6b65\u6240\u5f97\u51fa\u7684\u4f4d\u6570\uff0c\u5373\u4e3a\u5b50\u7f51\u4f4d\u6570\u3002
3\u3001\u5047\u8bbe\u5f97\u51fa\u7684\u7ed3\u679c\u4f4d\u6570\u4e3an\uff0c\u5219\u4ece\u7406\u8bba\u662f\u8bb2\u53ef\u4ee5\u5212\u5206\u51fa2^n\u4e2a\u5b50\u7f51\uff0c\u5b9e\u9645\u4e0a\u51680\u548c\u51681\u7684\u7f51\u7edc\u53f7\u662f\u4e0d\u53ef\u7528\u7684\uff0c\u6545\u5b9e\u9645\u53ef\u7528\u5b50\u7f51\u6570\u4e3a\uff082^n\uff09\uff0d2\u3002
绛旓細s 鏄痵erial鐨勭缉鍐 0/0/0杩欎笁涓暟瀛楄〃绀虹殑鏄 鍗曟澘搴忓彿/鎻掓Ы鍙/绔彛鍙枫傛瘮濡備竴涓満妗嗭紝涓婇潰鍙互鎻掑嚑涓崟鏉匡紝杩欎簺鍗曟澘鐨勫簭鍙蜂粠0寮濮嬶紝鍗曟澘涓婂彲浠ユ湁鑻ュ共涓Ы浣嶏紝鐢ㄦ潵鎺ュ瓙鍗°傝繖浜涙Ы浣嶉噷鐨勫簭鍙蜂粠0寮濮嬶紝妲戒綅閲屽彲浠ユ帴鍚勭绫诲瀷鐨勫瓙鍗★紝姣斿鎺ュ彛鍗°傜鍙ｅ彿灏辨槸鎺ュ彛鍗′笂鍏蜂綋鐨勬帴鍙ｄ簡锛岄兘鏄粠0寮濮嬬殑銆s0...
绛旓細Pos鏈烘槸鎸囩偣瀵圭偣閿鍞満锛屽畠鏄竴绉嶇幇浠ｈ惀閿宸ュ叿锛屼篃鏄竴绉嶆櫤鑳芥敮浠樿澶囷紝涓昏鐢ㄤ簬鐜板満閿鍞拰鏀舵銆侾os鏈轰娇鐢ㄤ簡鏈鏂扮殑閫氫俊鎶鏈拰閲戣瀺瀹夊叏鎶鏈紝鍦ㄤ繚璇佷氦鏄撶殑瀹夊叏銆佷究鎹峰拰蹇熺殑鍚屾椂锛屾湁鏁堝湴鍑忓皯浜嗗晢瀹剁幇閲戝瓨鍌ㄣ佹竻鐐瑰拰绠＄悊鐨勬椂闂村拰鎴愭湰銆侾os鏈轰笂鐨S0鏄寚涓插彛0锛岄氬父鐢ㄤ簬杩炴帴澶栨帴璁惧锛屽鎵爜鏋佹墦鍗版満銆佺數鑴...
绛旓細涓鑸潵璇,璺敱鍣ㄤ笂鐨凟0鎸囩殑鏄互澶綉鍙0,鑰S0鎸囩殑鏄涓插彛0.浠ュお缃戝彛鐢ㄦ櫘閫氱殑缃戠嚎涓庡彟涓绔繛鎺,涓插彛鐢ㄤ笓鐢ㄧ殑涓插彛绾夸笌鍙︿竴绔繛鎺.杩欑涓插彛绾挎牴鎹笉鍚岀殑鍘傚晢鎴栦笉鍚岀殑浜у搧鎺ュ彛涔熸湁鎵涓嶅悓,涓嶆槸瀹屽叏涓鑷寸殑,涓鑸敤浜庝笌鍙︿竴璺敱鍣ㄧ殑涓插彛鍋氱偣瀵圭偣鐨勮繛鎺.寰堝绉嶆帴鍙ｉ兘鍙互鐢ㄤ簬璺敱涓庤矾鐢辩浉杩,鑰岀數鑴戜笌璺敱鍣...
绛旓細E鍙ｆ槸浠ュお缃戞帴鍙,鏄敤鏉ヨ繛鎺ヨ绠楁満鍜屼氦鎹㈡満鎴栬矾鐢卞櫒鐨,鑰S0鍙ｆ槸涓插彛,鏄敤鏉ヨ繛鎺ヨ矾鐢卞櫒鍜屽閮ㄨ澶囩殑,鎴栬呯敤鏉ヨ繛鎺ヤ袱鍙颁氦鎹㈡満>搴旇鑳界敤E鍙ｈ繛鎺ヤ袱鍙拌矾鐢卞櫒,浣嗘槸鐢ㄧ殑缃戠嚎椤哄簭蹇呴』姝ｇ‘.瑕佺敤鍏ㄥ弽绾,鍗虫妸缃戠嚎鐨勪袱绔叏閮ㄥ璋>褰撶劧鏈夊尯鍒獷0鍙ｆ槸Ethernet 0 鍙 S0鍙ｆ槸Serial 0涓茶鍙 E0鍙ｄ箣闂村彲浠ヤ簰杩烇紝鍙互浜...
绛旓細s鎸噑erial锛屽氨鏄涓插彛鎺ュ彛 S0/0/0灏辨槸鎸囩0涓猻lot锛岀0涓ā鍧楃殑绗0涓覆鍙 鏈変竴浜涘ぇ鍨嬬殑cisco璺敱鍣ㄦ湁寰堝鎻掔墖鐨勮矾鐢卞櫒锛1涓氨鍙1涓猻lot 绫讳技鐨勮繕鏈夛細f0/0灏辨槸fastethernet 绗0涓ā鍧楃殑绗0涓揩閫熶互澶綉鎺ュ彛銆
绛旓細閮芥槸鎺ュ彛鐨勫悕绉般傚叏绉版槸FastEthernet 0/0, Serial 0/0/0銆 s鏄痵erial锛屽氨鏄涓插彛鎺ュ彛 s0/0/0灏辨槸鎸囩0涓猻lot锛岀0涓ā鍧楃殑绗0涓覆鍙 鏈変竴浜涘ぇ鍨嬬殑cisco璺敱鍣ㄦ湁寰堝鎻掔墖鐨勮矾鐢卞櫒锛1涓氨鍙1涓猻lot 绫讳技鐨勮繕鏈夛細f0/0灏辨槸Fastethernet 绗0涓ā鍧楃殑绗0涓揩閫熶互澶綉鎺ュ彛銆
绛旓細s0/0鏄痵erial鍙ｇ殑缂╁啓锛屼负涓插彛澶栫綉鎺ュ彛.鍦ㄦ帶鍒跺彴涓婃搷浣滅殑鏃跺欏彲浠ヤ娇鐢╥nterfece s0/0鎴栬 int s0/0 閮藉彲浠ヨ繘鍏,闇瑕佽繘鍏ュ叏灞閰嶇疆妯″紡 enable config t int s0/0 ip address 192.168.0.1 255.255.255.0 璁剧疆S0/0鍙P鍦板潃 no shut 璁剧疆姝ゆ帴鍙ｄ负绠＄悊鎬ф墦寮 鐩稿弽 shutdown 鏄叧闂 end 閫鍑 璺敱...
绛旓細S0鍙ｆ槸涓插彛,鍙互鏄悓姝ョ殑涔熷彲浠ュ強寮傛鐨勶紝瀹冪殑鏈楂橀熺巼鏄2M銆s0鏄痵erial0鐨勭缉鍐欙紝serial鏄覆琛岀殑鎰忔濓紝涓鑸敤灞忚斀鐢电紗鏉ヤ笌杩滅鐨勮澶囩浉杩炪侲0鍙ｆ槸浠ュお缃戝彛锛岄熺巼涓100M銆備竴鑸敤鍙岀粸绾胯繛鎺ャ傛牴鎹笉鍚岀殑绾跨紗杩炴帴 浣跨敤涓嶅悓鐨勭鍙ｃ
绛旓細鎺╃爜255.255.255.252鐨勭綉缁滃叡鍖呭惈4涓狪P鍦板潃锛屽幓鎺夌綉缁滃湴鍧鍜屽箍鎾湴鍧锛屽叾涓彲鐢ㄤ富鏈哄湴鍧鍙湁涓や釜銆傚洜姝わ紝涓插彛S0/0/0閰嶇疆鐨勫瓙缃戞帺鐮255.255.255.252,鍙垎閰嶇殑IP鍦板潃鏈澶氭湁2涓紝涔熷氨鏄鐩存帴浜掔浉杩炴帴鐨勪袱鍙拌矾鐢卞櫒鐨勪覆鍙ｅ悇涓涓
绛旓細杩欐槸璺敱鍣ㄧ鍙ｇ殑鍛藉悕,涓鑸潵璇,S0/0鏄唬琛0妲戒綅0鍙涓插彛,F0/0浠ｈ〃0妲戒綅0鍙峰揩閫熶互澶綉鍙.
