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目前網(wǎng)絡(luò)上大部分講解openstack的網(wǎng)絡(luò)模塊neutron的方式都是基于ovs進(jìn)行講解的,很少有涉及l(fā)inux bridge的,由于本人初次接觸openstack的版本是ocata,而官方文檔的部署模式是基于linux bridge的,網(wǎng)上的資料較少,本文按照自己的思路進(jìn)行描述,可能存在不對(duì)的地方。、先說(shuō)創(chuàng)建過(guò)程:1. 創(chuàng)建外部網(wǎng)絡(luò)provider。2. 創(chuàng)建外部網(wǎng)絡(luò)provider的子網(wǎng),創(chuàng)建過(guò)程中創(chuàng)建網(wǎng)橋brq-4c,同時(shí)創(chuàng)建dhcp命名空間,并且在網(wǎng)橋上創(chuàng)建端口tap-f3與DHCP服務(wù)連接,同時(shí)因?yàn)閜rovider網(wǎng)絡(luò)使用的網(wǎng)橋是有eth0提供,所以eth0轉(zhuǎn)為網(wǎng)橋brq-4c的接口。IP地址轉(zhuǎn)移為網(wǎng)橋的地址。3. 創(chuàng)建私網(wǎng)網(wǎng)絡(luò)selfservice4. 創(chuàng)建私網(wǎng)網(wǎng)絡(luò)selfservice的子網(wǎng),創(chuàng)建過(guò)程中創(chuàng)建網(wǎng)橋brq-9d,同時(shí)創(chuàng)建DHCP命名空間,并且在網(wǎng)橋上創(chuàng)建端口tap-35與DCH服務(wù)連接,改網(wǎng)橋的vxlan的id為48,隧道為vxlan-485. 創(chuàng)建路由器router6. 將私網(wǎng)網(wǎng)絡(luò)selfservice與路由器router連接,這個(gè)時(shí)候創(chuàng)建路由器router命名空間,同時(shí)在私網(wǎng)網(wǎng)橋brq-9d上新增一個(gè)端口tap-8f,同時(shí)可以通過(guò)路由器router查看上面有一個(gè)端口與私網(wǎng)selfservice一致。7. 在provider網(wǎng)絡(luò)上創(chuàng)建router的網(wǎng)關(guān),這個(gè)時(shí)候在provider的網(wǎng)橋brq-4c上創(chuàng)建一個(gè)端口tap-ba,同時(shí)在路由器上看到有對(duì)應(yīng)的網(wǎng)關(guān)(注:要切換到admin權(quán)限下才能看到)。至此:控制(網(wǎng)絡(luò))節(jié)點(diǎn)上的網(wǎng)絡(luò)配置全部創(chuàng)建完成,對(duì)應(yīng)的網(wǎng)橋和端口如下:對(duì)應(yīng)的命名空間如下:對(duì)應(yīng)的網(wǎng)絡(luò)如下:對(duì)應(yīng)的路由如下:8. 創(chuàng)建虛擬機(jī)的時(shí)候,會(huì)在對(duì)應(yīng)的計(jì)算節(jié)點(diǎn)創(chuàng)建對(duì)應(yīng)的網(wǎng)橋,而控制(網(wǎng)絡(luò))節(jié)點(diǎn)不會(huì)有任何的變化,創(chuàng)建網(wǎng)橋的時(shí)候用什么網(wǎng)絡(luò)的ID,就創(chuàng)建于空間(網(wǎng)絡(luò))節(jié)點(diǎn)名稱一樣的網(wǎng)橋,網(wǎng)橋如下:所有結(jié)構(gòu)如下圖所示再分解如下:一開始controller上網(wǎng)絡(luò)接口的配置如下:rootwcontroller # ifconfigbrq2e52256f-38: flags=4163 mtu 1450 ether 22:46:9e:24:f7:9c txqueuelen 1000 (Ethernet) RX packets 20 bytes 1736 (1.6 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0brq3d648406-f4: flags=4163 mtu 1500 inet 192.168.211.11 netmask 255.255.255.0 broadcast 192.168.211.255 ether 06:82:7c:00:01:b2 txqueuelen 1000 (Ethernet) RX packets 189744 bytes 60059122 (57.2 MiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 56953 bytes 18259759 (17.4 MiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0brqd73f593e-3a: flags=4163 mtu 1450 ether 1e:a7:45:09:d2:25 txqueuelen 1000 (Ethernet) RX packets 68 bytes 3478 (3.3 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0docker0: flags=4099 mtu 1500 inet 172.17.0.1 netmask 255.255.0.0 broadcast 0.0.0.0 ether 02:42:68:2a:17:10 txqueuelen 0 (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0eth0: flags=4163 mtu 1500 inet6 fe80:482:7cff:fe00:1b2 prefixlen 64 scopeid 0x20 ether 06:82:7c:00:01:b2 txqueuelen 1000 (Ethernet) RX packets 423257 bytes 136849834 (130.5 MiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 167688 bytes 32119313 (30.6 MiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0eth1: flags=4163 mtu 1500 inet 10.10.1.195 netmask 255.255.255.0 broadcast 10.10.1.255 inet6 fe80:70ff:fef4:16 prefixlen 64 scopeid 0x20 ether 02:00:70:f4:00:16 txqueuelen 1000 (Ethernet) RX packets 823534 bytes 263237259 (251.0 MiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 713441 bytes 219028904 (208.8 MiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0lo: flags=73 mtu 65536 inet 127.0.0.1 netmask 255.0.0.0 inet6 :1 prefixlen 128 scopeid 0x10 loop txqueuelen 1 (Local Loopback) RX packets 7501903 bytes 2489191984 (2.3 GiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 7501903 bytes 2489191984 (2.3 GiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0tap13e6f3df-44: flags=4163 mtu 1450 ether da:53:12:6b:c6:c4 txqueuelen 1000 (Ethernet) RX packets 16 bytes 2608 (2.5 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 24 bytes 2958 (2.8 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0tap3993ded3-a9: flags=4163 mtu 1500 ether be:fd:f8:4f:4a:5d txqueuelen 1000 (Ethernet) RX packets 24318 bytes 2087968 (1.9 MiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 147064 bytes 11429892 (10.9 MiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0tap6f9999ab-75: flags=4163 mtu 1500 ether 82:81:c7:25:f0:f9 txqueuelen 1000 (Ethernet) RX packets 21920 bytes 1814175 (1.7 MiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 151249 bytes 11756457 (11.2 MiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0tapcfaba77e-18: flags=4163 mtu 1450 ether ba:d5:fd:76:36:39 txqueuelen 1000 (Ethernet) RX packets 31659 bytes 2370348 (2.2 MiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 24852 bytes 1947535 (1.8 MiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0tapeb1df5ee-9e: flags=4163 mtu 1450 ether 9e:d5:ce:08:48:92 txqueuelen 1000 (Ethernet) RX packets 17 bytes 1926 (1.8 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 64 bytes 4082 (3.9 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0vxlan-46: flags=4163 mtu 1450 ether 1e:a7:45:09:d2:25 txqueuelen 1000 (Ethernet) RX packets 9 bytes 1338 (1.3 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 60 bytes 2664 (2.6 KiB) TX errors 0 dropped 11 overruns 0 carrier 0 collisions 0vxlan-68: flags=4163 mtu 1450 ether 22:46:9e:24:f7:9c txqueuelen 1000 (Ethernet) RX packets 24858 bytes 1600645 (1.5 MiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 31659 bytes 1928386 (1.8 MiB) TX errors 0 dropped 9 overruns 0 carrier 0 collisions 0網(wǎng)橋結(jié)構(gòu)如下:rootwcontroller # brctl showbridge namebridge idSTP enabledinterfacesbrq2e52256f-388000.22469e24f79cnotap13e6f3df-44tapcfaba77e-18vxlan-68brq3d648406-f48000.06827c0001b2noeth0tap3993ded3-a9tap6f9999ab-75brqd73f593e-3a8000.1ea74509d225notapeb1df5ee-9evxlan-46docker08000.0242682a1710nocompute1的網(wǎng)絡(luò)接口rootwcom1 # ifconfigbrq2e52256f-38: flags=4163 mtu 1450 ether 5a:48:96:7a:35:31 txqueuelen 0 (Ethernet) RX packets 11 bytes 1116 (1.0 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0brqd73f593e-3a: flags=4163 mtu 1450 ether f2:ed:f1:a2:17:e8 txqueuelen 0 (Ethernet) RX packets 57 bytes 2682 (2.6 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0docker0: flags=4099 mtu 1500 inet 172.17.0.1 netmask 255.255.0.0 broadcast 0.0.0.0 ether 02:42:1e:6e:81:f9 txqueuelen 0 (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0eth0: flags=4163 mtu 1500 inet 192.168.211.25 netmask 255.255.255.0 broadcast 192.168.211.255 inet6 fe80:40d:f6ff:fe00:1c0 prefixlen 64 scopeid 0x20 ether 06:0d:f6:00:01:c0 txqueuelen 1000 (Ethernet) RX packets 541257 bytes 402036673 (383.4 MiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 272370 bytes 22098834 (21.0 MiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0eth1: flags=4163 mtu 1500 inet 10.10.1.242 netmask 255.255.255.0 broadcast 10.10.1.255 inet6 fe80:20ff:fe29:18 prefixlen 64 scopeid 0x20 ether 02:00:20:29:00:18 txqueuelen 1000 (Ethernet) RX packets 527416 bytes 154641475 (147.4 MiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 607894 bytes 202236972 (192.8 MiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0lo: flags=73 mtu 65536 inet 127.0.0.1 netmask 255.0.0.0 inet6 :1 prefixlen 128 scopeid 0x10 loop txqueuelen 0 (Local Loopback) RX packets 375937 bytes 19737009 (18.8 MiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 375937 bytes 19737009 (18.8 MiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0tape802bb66-5a: flags=4163 mtu 1500 inet6 fe80:fc16:3eff:fefb:ca0b prefixlen 64 scopeid 0x20 ether fe:16:3e:fb:ca:0b txqueuelen 500 (Ethernet) RX packets 18158 bytes 1495667 (1.4 MiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 18130 bytes 1290301 (1.2 MiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0vxlan-46: flags=4163 mtu 1450 ether f2:ed:f1:a2:17:e8 txqueuelen 0 (Ethernet) RX packets 60 bytes 2664 (2.6 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 9 bytes 1608 (1.5 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0vxlan-68: flags=4163 mtu 1450 ether 5a:48:96:7a:35:31 txqueuelen 0 (Ethernet) RX packets 22633 bytes 1387715 (1.3 MiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 18158 bytes 1786195 (1.7 MiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0因開始部署測(cè)試了幾臺(tái)虛擬機(jī),導(dǎo)致環(huán)境很亂,無(wú)法重新每一部發(fā)生的過(guò)程,先清理環(huán)境取消浮動(dòng)IP綁定,命令行:openstack server delete floating ip selfservice-instance 203.0.113.104刪除浮動(dòng)IPopenstack floating ip delete 192.168.211.209查看浮動(dòng)IP列表 openstack floating ip list刪除虛擬機(jī)openstack server delete selfservice-instance以上操作對(duì)于controller的接口和網(wǎng)橋沒有任何變化,但是compute1的接口發(fā)生了變化rootwcom1 # brctl showbridge namebridge idSTP enabledinterfacesbrq2e52256f-388000.5a48967a3531novxlan-68brqd73f593e-3a8000.f2edf1a217e8novxlan-46docker08000.02421e6e81f9no可以發(fā)現(xiàn)tape802bb66-5a接口已經(jīng)不存在了,說(shuō)明隨著虛擬機(jī)的刪除,對(duì)接該虛擬機(jī)的tape802bb66-5a接口也刪除了,但是網(wǎng)絡(luò)還存在。開始刪除網(wǎng)絡(luò):目前網(wǎng)絡(luò)結(jié)構(gòu)如下:另外還有一個(gè)router,計(jì)劃先刪內(nèi)網(wǎng),再刪router,再刪provider刪除serfservice11、 因?yàn)閟elfservice1有和router對(duì)接,先刪除接口neutron router-interface-delete router selfservice12、 查看對(duì)應(yīng)的router接口3、 刪除子網(wǎng)發(fā)現(xiàn)端口tapeb1df5ee-9e刪除了,那刪除的這個(gè)端口是干嘛的呢,其實(shí)是把對(duì)應(yīng)的dhcp服務(wù)也刪除了,DHCP服務(wù)的端口對(duì)應(yīng)也刪除了。這個(gè)時(shí)候compute沒有任何變化查看對(duì)應(yīng)服務(wù)4、 刪除網(wǎng)絡(luò)發(fā)現(xiàn)網(wǎng)橋brqd73f593e-3a也被刪除了同時(shí)compute上的對(duì)應(yīng)的網(wǎng)橋也被刪除了5、 那么現(xiàn)在剩下的就是一個(gè)私網(wǎng)selfservice,一個(gè)路由router,一個(gè)公網(wǎng)provider,兩個(gè)dhcp服務(wù),對(duì)應(yīng)如下:6、 開始刪除私網(wǎng)selfservice,先刪除在router中的接口7、 刪除路由router注意發(fā)現(xiàn)兩個(gè)網(wǎng)橋上都少了一個(gè)接口brq2e52256f-38 網(wǎng)橋上的tapcfaba77e-18;brq3d648406-f4網(wǎng)橋上的tap6f9999ab-75,這說(shuō)明這兩個(gè)接口都是網(wǎng)橋連接router的。8、 刪除子網(wǎng)可以看到,刪除子網(wǎng)后,網(wǎng)橋還在,但是少了一個(gè)接口,同時(shí)DHCP服務(wù)也少了一個(gè),說(shuō)明少的這個(gè)接口是連接dhcp服務(wù)的。這個(gè)時(shí)候computer是沒有變化的9、 刪除私網(wǎng)網(wǎng)絡(luò)網(wǎng)橋被刪除,網(wǎng)絡(luò)被刪除,同時(shí)computer上的網(wǎng)絡(luò)也被刪除了10、 刪除provider網(wǎng)絡(luò)子網(wǎng)可以發(fā)現(xiàn),dhcp服務(wù)沒有,網(wǎng)橋還
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