涓汉瑙傜偣锛欴ocker缃戠粶閫氫俊鍦ㄥ鍣ㄧ紪鎺掑拰闆嗙兢閮ㄧ讲涓捣鐫€涓捐冻杞婚噸鐨勪綔鐢ㄣ€傜綉缁滐紝閫氳繃鍚姩鍑犱釜瀹瑰櫒鎺㈢储Docker缃戠粶鍜屽鍣ㄩ€氫俊锛屽府鍔╄鑰呯悊瑙ｐ煒娿€?.Docker0Docker鏈嶅姟榛樿浼氬垱寤轰竴涓猟ocker0缃戞ˉ锛堜笂闈㈡湁涓€涓猟ocker0鍐呴儴鎺ュ彛锛夛紝鍦ㄥ唴鏍稿眰杩炴帴鍏朵粬鐗╃悊鎴栬櫄鎷熺綉鍗★紝灏嗘墍鏈夊鍣ㄥ拰鏈湴涓绘満鏀惧湪鍚屼竴涓墿鐞嗙綉缁滀笂銆侱ocker榛樿鎸囧畾浜哾ocker0鎺ュ彛鐨処P鍦板潃鍜屽瓙缃戞帺鐮侊紝杩欐牱瀹夸富鏈哄拰瀹瑰櫒涔嬮棿灏卞彲浠ラ€氳繃缃戞ˉ杩涜閫氫俊浜嗐€傚畠杩樼粰鍑轰簡MTU锛堟帴鍙ｅ厑璁告帴鏀剁殑鏈€澶т紶杈撳崟鍏冿級锛岄€氬父涓?500Bytes锛屾垨涓绘満涓绘満缃戠粶璺敱涓婃敮鎸佺殑榛樿鍊笺€傝繖浜涘€煎彲浠ュ湪鏈嶅姟鍚姩鏃堕厤缃€?.娓呯┖鎵€鏈夐暅鍍忓鏋滀綘鏄垵瀛﹁€咃紝瀵筪ocker0浜嗚В涓嶅锛屽缓璁竻绌烘墍鏈夐暅鍍忥紝鎵撻€犱竴涓洿骞插噣鐨勫鍣ㄧ綉缁滅幆澧冿紝鏇村姞娓呮櫚锛屽瀛︿範docker0鏇存湁甯姪馃槂#1.鏌ョ湅杩愯containerdockerps#2.鍋滄鎵€鏈夋鍦ㄨ繍琛岀殑瀹瑰櫒锛堝惁鍒欐棤娉曞垹闄わ級dockerstop[containerID]#dockerstop$(dockercontainerls-q)#3.鎵ц鍒犻櫎dockerrmi-f$(dockerimages-aq)#4銆佹煡鐪嬮暅鍍廳ockerimages3锛屾煡鐪嬬綉鍗′俊鎭紝棣栧厛浜嗚Вipaddr鍛戒护ipaddrlo#鏈湴鐜洖鍦板潃127.0.0.1eth0#闃块噷浜戝唴缃戝湴鍧€172.31.81.32docker0#docker鐢熸垚鐨勭綉鍗?72.17.0.1鑾峰彇褰撳墠缃戝崱ip鍦板潃鍜宮ac鍦板潃[root@---~]#ipaddr1:lo:mtu65536qdiscnoqueuestateUNKNOWNgroupdefaultqlen1000link/loopback00:00:00:00:00:00brd00:00:00:00:00:00inet127.0.0.1/8鑼冨洿涓绘満lovalid_lftforeverpreferred_lftforever2:eth0:mtu1500qdiscpfifo_fast鐘舵€乁P缁勯粯璁len1000閾炬帴/ether00:16:3e:0a:00:34brdff:ff:ff:ff:ff:ffinet172.31.81.32/20brd172.31.95.255鑼冨洿鍏ㄥ眬鍔ㄦ€乪th0valid_lft291944112secpreferred_lft291944112sec3:dockerRIER0:mtu1500qdiscnoqueuestateDOWNgroupdefaultlink/ether02:42:a4:2f:c5:62brdff:ff:ff:ff:ff:ffinet172.17.0.1/16brd172.17.255.255scopeglobaldocker0valid_lftforeverpreferred_lftforever[root@---~]#涓嬮潰鎴戜滑閫氳繃docker鍚姩鍑犱釜瀹瑰櫒鏉ユ帰绱ocker缃戠粶馃憞4.杩愯瀹瑰櫒鍚庯紝鍐嶆鏌ョ湅缃戝崱淇℃伅銆傚畨瑁匘ocker鏃讹紝浼氳嚜鍔ㄥ垱寤轰笁涓綉缁滐紝榛樿bridgebridge锛堥粯璁ゅ垱寤轰竴涓鍣ㄨ繛鎺ヨ繖涓綉缁滐級锛宯one锛宧ost4.1锛岃繍琛宮ysql01锛宑entos01锛宑entos02瀹瑰櫒鍚姩鏃讹紝dockerdefaultbridgebridge锛宒ocker0鑷姩鍒嗛厤ipdockerrun-it--namemysql01-eMYSQL_ROOT_PASSWORD=123mysql:5.7dockerrun-it--namecentos01centos/bin/bashdockerrun-it--namecentos02centos/bin/bash4.2锛屾煡鐪媔p鍜宮ac鍦板潃淇℃伅锛屽彲浠ョ湅鍒颁笂闈笁涓鍣ㄦ湇鍔＄殑鍚姩Mac淇℃伅$ipaddr1:lo:mtu65536qdiscnoqueuestateUNKNOWNgroupdefaultqlen1000link/loopback00:00:00:00:00:00brd00:00:00:00:00:00inet127.0.0.1/8鑼冨洿涓绘満lovalid_lft姘歌繙preferred_lftforever2锛歟th0锛?BROADCAST锛孧ULTICAST锛孶P锛孡OWER_UP>mtu1500qdiscpfifo_fast鐘舵€乁P缁勯粯璁len1000閾炬帴/浠ュお00:16:3e:0a:00:34brdff:ff:ff:ff:ff:ffinet172.31.81.32/20brd172.31.95.255鑼冨洿鍏ㄥ眬鍔ㄦ€乪th0valid_lft291916543secpreferred_lft291916543sec3:docker0:mtu1500qdiscnoqueuestateUPgroupdefaultlink/ether02:42:a4:2f:c5:62brdff:ff:ff:ff:ff:ffinet172.17.0.1/16brd172.17.255.255scopeglobaldocker0valid_lftforeverpreferred_lftforever140:br-799426d70aa2:mtu1500qdiscnoqueuestateDOWNgroupdefaultlink/ether02:42:7f:01:1d:00brdff:ff:ff:ff:ff:ffinet172.18.0.1/16brd172.18.255.255scopeglobalbr-799426d70aa2valid_lftforeverpreferred_lftforever154:vethe3da564@if153:mtu1500qdiscnoqueuemasterdocker0鐘舵€乁P缁勯粯璁ら摼鎺?etherea:84:fb:14:47:99brdff:ff:ff:ff:ff:fflink-netnsid0156:veth6477da5@if155:mtu1500qdiscnoqueuemasterdocker0stateUP缁勯粯璁ら摼鎺?ether86:35:30:8d:14:85brdff:ff:ff:ff:ff:fflink-netnsid1158:veth17b2712@if157:mtu1500qdiscnoqueuemasterdocker0stateUPgroupdefaultlink/ether72:76:f0:3c:17:e8brdff:ff:ff:ff:ff:ff閾炬帴-netnsid24.3銆佹煡鐪媎ocker缃戠粶[root@---~]#dockernetworklsNETWORKIDNAMEDRIVERSCOPEfeafa30d4051bridgebridgelocale8bf4fced9e2hosthostlocal6263db0933b9nonenulllocal[root@---~]#4.4銆佹煡鐪嬮粯璁ょ綉鍏?docker0)[root@---~]#dockernetworkinspectfeafa30d4051[{"Name":"bridge","Id":"feafa30d4051f24353508959bd420fd163ad0c98d6b30ec8ff13b59a59552bb1","Created":"2021-09-26T15:10:27:5037","Scope":"local","Driver":"bridge","EnableIPv6":false,"IPAM":{"Driver":"default","Options":null,"Config":[{"Subnet":"172.17.0.0/16","Gateway":"172.17.0.1"}]},"Internal":false,"Attachable":false,"Ingress":false,"ConfigFrom":{"Network":""},"ConfigOnly":false,"Containers":{"29298987c51b777b546bf6626560020ce235e390e1d7fcfe188c6db228ca4edf":{"Name":"mysql01","EndpointID":"f6572c49234f74a6c0b652a379bb386f843ebd23b02abd59b1f6a9d1c9534b17","MacAddress":"02:42:ac:11:00:02","IPv4Address":"172.17.0.2/16",#鉁ㄥ鍣ㄧ殑IP鉁?IPv6Address":""},"cb1922b95b9316d129b54f3545fad9729092926e10a1d5517f87628"Name"centos01","EndpointID":"ef6cfa74f56bfa4f49143aa08cf323812002236bc63f75204dee7c3ec1162250","MacAddress":"02:42:ac:11:00:03","IPv4Address":"172.17.0.3/16"IPv6鐨処Pv6鍦板潃#鉁?:""},"cc6f510b9765ba018dbafd416c9774ddf5fd3ff55fa992827f55516e8dc70b6a":{"Name":"centos02","EndpointID":"2f901aec8f8b455d1fb06112c9035a19f34cc597d8907f26f1b896f12d7eb7ba","MacAddress":"02:42:ac:11:00:04","IPv4Address":"172.17.0.4/16",#鉁ㄥ鍣↖P鉁?IPv6Address":""}},"Options":{"com.docker.network.bridge.default_bridge":"true","com.docker.network.bridge.enable_icc":"true","com.docker.network.bridge.enable_ip_masquerade":"true","com.docker.network.bridge.host_binding_ipv4":"0.0.0.0","com.docker.network.bridge.name":"docker0","com.docker.network.driver.mtu":"1500"},"鏍囩":{}}]4.5.娴嬭瘯瀹瑰櫒閫氫俊姝ゆ椂杩涘叆centos01瀹瑰櫒锛宲ingmysql瀹瑰櫒鐨刬p鍙互ping閫氾紝浣嗘槸鏃犳硶ping閫氬鍣ㄥ悕鉂梔ockerexec-itcb1922b95b93/bin/bashping172.17.0.2#docker0涓嶆敮鎸佸鍣ㄥ悕杩炴帴璁块棶pingmysql01ping:mysql01:Nameorservicenotknowndockerrun鍚姩闀滃儚鏃禿ocker浼氬垎閰嶇疆缃戝崱鍦板潃#鏌ョ湅ipdockerinspect瀹瑰櫒ID|grepIPAddress濡備笅鍥攫煈?.瀹瑰櫒閫氫俊鍘熺悊鍙鎴戜滑瀹夎docker锛屽氨浼氭湁涓€涓綉鍗ocker0锛堢浉褰撲簬璺敱鍣級銆傛瘡鍚姩涓€涓猟ocker瀹瑰櫒锛宒ocker灏变細缁檇ocker瀹瑰櫒鍒嗛厤涓€涓猧p锛堣繛鎺ヨ矾鐢卞櫒鐨勭粓绔紝鍚屼竴缃戞涓嬬殑缁堢鍙互浜掗€氾級銆傚畠鏄€氳繃evth-pair鎶€鏈疄鐜扮殑銆俥vth-pair鏄竴瀵硅櫄鎷熻澶囨帴鍙ｃ€傚畠浠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