2023學(xué)年完整公開課版4鏈路聚合

鏈路聚合1華云數(shù)據(jù)集團承建廣州超算中心云計算平臺項目，利用天河二號服務(wù)器來搭建512個節(jié)點規(guī)模的云計算服務(wù)平臺，保證云平臺的高可靠性和高穩(wěn)定性，并按超算中心要求對外提供運營服務(wù)，支撐超算中心各業(yè)務(wù)系統(tǒng)的運行。現(xiàn)在對整個超算中心云平臺進行網(wǎng)絡(luò)規(guī)劃，配置交換機鏈路聚合，實現(xiàn)網(wǎng)絡(luò)的高可用性和易擴展性。任務(wù)描述目錄鏈路聚合簡介鏈路聚合配置鏈路聚合模式2鏈路聚合簡介3SWASWB鏈路聚合是把多條物理鏈路聚合在一起，形成一條邏輯鏈路。采用鏈路聚合可以提供鏈路冗余性，又可以提高鏈路的帶寬。鏈路聚合簡介4PRESENTATIONSESSIONAPPLICATIONTRANSPORTNETWORKDATALINKPHYSICALPHYSICALLAYERMACMACCONTROLLINKAGGREGATIONSUBLAYERMACCLINETHIGHERLAYERSOSIIEEE802.3鏈路聚合在IEEE802.3結(jié)構(gòu)中的位置,是處于MACCLIENT和MAC之間,一個可選的子層。鏈路聚合簡介5聚合接口是一個手工配置的邏輯接口，鏈路聚合組是隨著聚合接口的創(chuàng)建而自動生成的。操作Key是在鏈路聚合時，聚合控制根據(jù)成員端口的某些配置自動生成的一個配置組合。Selected

鏈路聚合組Unselected聚合接口操作Key鏈路聚合模式6靜態(tài)聚合模式（1）端口不與對端設(shè)備交互信息。（2）選擇參考端口根據(jù)本端設(shè)備信息。（3）用戶命令創(chuàng)建和刪除靜態(tài)聚合組。動態(tài)聚合模式（1）端口的LACP協(xié)議自動使能，與對端設(shè)備交互LACP報文。（2）選擇參考端口根據(jù)本端設(shè)備與對端設(shè)備交互信息。（3）用戶命令創(chuàng)建和刪除動態(tài)聚合組。靜態(tài)聚合流程7成員端口狀態(tài)創(chuàng)建靜態(tài)聚合組與參考端口對比UnselectedSelected端口轉(zhuǎn)發(fā)Down本端配置不一致本端配置一致UnselectedUp端口雙工/速率/端口號選舉參考端口未達到上限Selected端口數(shù)限制達到上限端口LACP關(guān)閉動態(tài)聚合流程8成員端口狀態(tài)創(chuàng)建動態(tài)聚合組與參考端口對比UnselectedSelected端口轉(zhuǎn)發(fā)Down雙方配置不一致雙方配置一致Unselected端口LACP自動使能Up本端設(shè)備和對端設(shè)備LACP協(xié)議交互選舉參考端口未達到上限Selected端口數(shù)限制達到上限鏈路聚合配置9（1）創(chuàng)建二層聚合端口,聚合組默認工作在靜態(tài)聚合模式（2）將以太網(wǎng)端口加入聚合組[Switch]interfacebridge-aggregationinterface-number[Switch-Ethernet1/0/1]portlink-aggregationgroupnumber靜態(tài)聚合組配置鏈路聚合配置10[Switch]interfacebridge-aggregationinterface-number[Switch-Bridge-Aggregation1]link-aggregationmodedynamic[Switch-Ethernet1/0/1]portlink-aggregationgroupnumber[Switch-Ethernet1/0/1]portlink-aggregationgroupnumber（1）創(chuàng)建二層聚合端口（2）配置聚合組工作在動態(tài)聚合模式下（3）將以太網(wǎng)端口加入聚合組（4）配置系統(tǒng)的LACP協(xié)議優(yōu)先級動態(tài)聚合組配置鏈路聚合配置11[Switch]interfacebridge-aggregationinterface-number（5）配置端口的LACP協(xié)議優(yōu)先級（6）配置聚合組的聚合負載分擔模式[Switch]link-aggregationload-sharingmode{destination-ip|destination-mac|destination-port|ingress-port|source-ip|source-mac|source-port}動態(tài)聚合組配置靜態(tài)鏈路聚合案例12SWASWB[SWA]interfacebridge-aggregation1[SWA]interfacegigabitethernet2/0/1[SWA-GigabitEthernet2/0/1]portlink-aggregationgroup1[SWA]interfacegigabitethernet2/0/2[SWA-GigabitEthernet2/0/2]portlink-aggregationgroup1[SWA]interfacegigabitethernet2/0/3[SWA-GigabitEthernet2/0/3]portlink-aggregationgroup1[SWB]interfacebridge-aggregation1[SWB]interfacegigabitethernet2/0/1[SWB-GigabitEthernet2/0/1]portlink-aggregationgroup1[SWB]interfacegigabitethernet2/0/2[SWB-GigabitEthernet2/0/2]portlink-aggregationgroup1[SWB]interfacegigabitethernet2/0/3[SWB-GigabitEthernet2/0/3]portlink-aggregationgroup1動態(tài)鏈路聚合實例13[SWA]interfacebridge-aggregation1[SWA-Bridge-Aggregation1]link-aggregationmodedynamic[SWA]interfacegigabitethernet2/0/1[SWA-GigabitEthernet2/0/1]portlink-aggregationgroup1[SWA]interfacegigabitethernet2/0/2[SWA-GigabitEthernet2/0/2]portlink-aggregationgroup1[SWA]interfacegigabitethernet2/0/3[SWA-GigabitEthernet2/0/3]portlink-aggregationgroup1[SWB]interfacebridge-aggregation1[SWB-Bridge-Aggregation1]link-aggregationmodedynamic[SWB]interfacegigabitethernet2/0/1[SWB-GigabitEthernet2/0/1]portlink-aggregationgroup1[SWB]interfacegigabitethernet