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網(wǎng)絡(luò)集成課程設(shè)計(jì)(完整版)

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【正文】 IPsec policy name: center sequence number: 10 mode: isakmp connection id: 3 encapsulation mode: tunnel perfect forward secrecy: None tunnel: local address: remote address: Flow : sour addr: : 0 protocol: GRE dest addr: : 0 protocol: GRE [inbound ESP SAs] spi: 4140546555 (0xf6cbb9fb) proposal: ESPENCRYPTDES ESPAUTHMD5 sa duration (kilobytes/sec): 1843200/3600 sa remaining duration (kilobytes/sec): 1843174/915 max received sequencenumber: 268 antireplay check enable: Y antireplay window size: 32 udp encapsulation used for nat traversal: N [outbound ESP SAs] spi: 3177135980 (0xbd5f3f6c) proposal: ESPENCRYPTDES ESPAUTHMD5 sa duration (kilobytes/sec): 1843200/3600 sa remaining duration (kilobytes/sec): 1843191/915 max sent sequencenumber: 87 udp encapsulation used for nat traversal: N===============================Interface: Serial2/0 path MTU: 1500=============================== IPsec policy name: center sequence number: 20 mode: isakmp connection id: 4 encapsulation mode: tunnel perfect forward secrecy: None tunnel: local address: remote address: Flow : sour addr: : 0 protocol: GRE dest addr: : 0 protocol: GRE [inbound ESP SAs] spi: 284357432 (0x10f2f338) proposal: ESPENCRYPTDES ESPAUTHMD5 sa duration (kilobytes/sec): 1843200/3600 sa remaining duration (kilobytes/sec): 1843199/3450 max received sequencenumber: 9 antireplay check enable: Y antireplay window size: 32 udp encapsulation used for nat traversal: N [outbound ESP SAs] spi: 857610838 (0x331e1a56) proposal: ESPENCRYPTDES ESPAUTHMD5 sa duration (kilobytes/sec): 1843200/3600 sa remaining duration (kilobytes/sec): 1843198/3450 max sent sequencenumber: 16 udp encapsulation used for nat traversal: N(3) 中心路由表;[Center] dis ip routingtable Routing Tables: Public Destinations : 20 Routes : 20Destination/Mask Proto Pre Cost NextHop Interface(4)分部1的ike sa狀態(tài);[branch1]dis ike sa total phase1 SAs: 1 connectionid peer flag phase doi 11 RD|ST 2 IPSEC 2 RD|ST 1 IPSEC flag meaning RDREADY STSTAYALIVE RLREPLACED FDFADING TO—TIMEOUT(5)分部1的ipsec sa狀態(tài);[branch1]dis ipsec sa===============================Interface: Serial2/0 path MTU: 1500=============================== IPsec policy name: branch1 sequence number: 10 mode: isakmp connection id: 3 encapsulation mode: tunnel perfect forward secrecy: None tunnel: local address: remote address: Flow : sour addr: : 0 protocol: GRE dest addr: : 0 protocol: GRE [inbound ESP SAs] spi: 3177135980 (0xbd5f3f6c) proposal: ESPENCRYPTDES ESPAUTHMD5 sa duration (kilobytes/sec): 1843200/3600 sa remaining duration (kilobytes/sec): 1843200/2348 max received sequencenumber: 1 antireplay check enable: Y antireplay window size: 32 udp encapsulation used for nat traversal: N [outbound ESP SAs] spi: 4140546555 (0xf6cbb9fb) proposal: ESPENCRYPTDES ESPAUTHMD5 sa duration (kilobytes/sec): 1843200/3600 sa remaining duration (kilobytes/sec): 1843188/2348 max sent sequencenumber: 126 udp encapsulation used for nat traversal: N(6)分部1的路由表[Branch1]dis ip routingtable Routing Tables: Public Destinations : 13 Routes : 13Destination/Mask Proto Pre Cost NextHop Interface 實(shí)驗(yàn)疑問解答實(shí)驗(yàn)中的當(dāng)吧配置文檔敲進(jìn)去后,我能夠看到實(shí)驗(yàn)效果,就是網(wǎng)絡(luò)拓?fù)渲袃啥说腜C能夠ping通,但是查看不了各個路由器中的ike sa狀態(tài)和ipsec sa狀態(tài)。目錄題目一、 基于IPSec的GRE實(shí)現(xiàn) 1 1 1 1 1 2 中心路由器的配置 2 5 6 效果查看 7 實(shí)驗(yàn)疑問解答 12 12題目二、基于IP的數(shù)據(jù)會議網(wǎng)絡(luò) 14 實(shí)訓(xùn)任務(wù) 14 組網(wǎng)需求 14 組網(wǎng)圖 14 配置要求 14 實(shí)驗(yàn)配置 15 問題回答 18題目三、網(wǎng)絡(luò)安全綜合實(shí)驗(yàn) 19 實(shí)訓(xùn)任務(wù) 19 19 19 19 實(shí)驗(yàn)中疑問解答 33題目四:選做題 34 實(shí)訓(xùn)任務(wù) 34 實(shí)驗(yàn)要求 34 組網(wǎng)圖 34 IP地址劃分 35 實(shí)驗(yàn)配置文檔 35 R1配置 35 R2配置 36 R3配置 38 39 二層交換機(jī)配置 40 實(shí)驗(yàn)驗(yàn)證 41 實(shí)驗(yàn)中的疑問解決 435 總結(jié) 44參考文獻(xiàn) 45致謝 4647題目一、 基于IPSec的GRE實(shí)現(xiàn)分部1和分部2通過野蠻IPSec的方式連接到中心,采用GRE OverIPSec的方式,在tunnel上運(yùn)行OSPF協(xié)議來實(shí)現(xiàn)總部和分部之間的互通。本實(shí)訓(xùn)的目的是使學(xué)生了解企業(yè)網(wǎng)絡(luò)的建設(shè)需求、建設(shè)規(guī)劃、設(shè)備選擇、系統(tǒng)集成以及設(shè)備調(diào)試等方面的知識。更進(jìn)一步掌握交換機(jī)和路由器以及防火墻等設(shè)備的有關(guān)知識,并將所學(xué)的內(nèi)容加以綜合,提高學(xué)生的動手能力。圖 組網(wǎng)圖(1) 3個 MSR20路由器的配置;(2) 中心上的ike sa 狀態(tài);(3) 中心上的IPSec sa狀態(tài);(4) 中心路由表;(5) 分部1的ike sa狀態(tài);(6) 分部1的ipsec sa狀態(tài);(7) 分部1的路由表(8) 實(shí)驗(yàn)組網(wǎng)圖圖 網(wǎng)絡(luò)拓?fù)鋱D 中心路由器的配置配置各個端口的IP地址。原因:實(shí)驗(yàn)中我配置的時候是以我的理解去配置實(shí)驗(yàn),配置的時候,我將IPSec policy應(yīng)用在tunnel0與tunne1上面,而不是應(yīng)用在Serial1/0和 Serial2/0里,還有就是少配置了idtype name這條命令,所以實(shí)驗(yàn)中雖然能夠通,但是確不是從虛擬鏈路上面的。AH頭是預(yù)先設(shè)置在IP數(shù)據(jù)包的數(shù)據(jù)有效內(nèi)容位置的,而ESP則將IP數(shù)據(jù)包的整個數(shù)據(jù)部分封裝到一個頭和尾上。IKE協(xié)議可以被ISAKMP使用; 但是它們并不相同。只封裝不加密,路由器性能影響較小,設(shè)備檔次要求相對較低。()(3)實(shí)現(xiàn)通過ME5000服務(wù)器召集基于IP地址的多點(diǎn)會議。其格式為:CC+NDC+SN,也可以表示為:國家代碼+N1N2N3+H0H1H2H3+ABCD(CC=國家碼,中國為86;NDC=國內(nèi)目的碼;SN=用戶號碼)。防火墻墻上添加相應(yīng)的規(guī)則,進(jìn)行常見病毒攻擊的防護(hù)。[F]acl number 3000[Facladv3000]rule 1 deny ip destination 0 fragment [Facladv3000]rule 2 permit tcp destination 0 destinationport eq ftp fragment [Facladv3000]quit在接口上面應(yīng)用ACL。[F]dis firewall urlfilter host itemall Firewall urlfilter host items item(s) added manually : 1 item(s) loaded from file : 0 SN MatchTimes
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