【正文】 /46/92 ms R2 R2ping Type escape sequence to abort. Sending 5, 100byte ICMP Echos to , timeout is 2 seconds: Success rate is 0 percent (0/5) R2 R2ping Type escape sequence to abort. Sending 5, 100byte ICMP Echos to , timeout is 2 seconds: Success rate is 0 percent (0/5) R2 查看 R2 的路由表： R2show ip route Gateway of last resort is not set , 3 subs D [90/307200] via , 00:06:25, Ether1/1 C is directly connected, Ether1/1 C is directly connected, Ether1/0 D [90/409600] via , 00:06:09, Ether1/0 D [90/409600] via , 00:06:25, Ether1/1 工大瑞普 CCNP 實(shí)驗(yàn)手 冊 169。 配置各臺路由器的 EIGRP 協(xié)議 ,并且不關(guān)閉自動(dòng)總結(jié)。 實(shí)驗(yàn)拓?fù)鋱D： 工大瑞普 CCNP 實(shí)驗(yàn)手 冊 169。 2020 , Inc. All rights reserved. 15 CCNP Lab Manual Lab 3. Manually Summarizing EIGRP Routes 實(shí)驗(yàn)?zāi)康模? 理解 EIGRP 的自動(dòng)匯總的缺點(diǎn) 。 3實(shí)驗(yàn)完成。不過需要注意的是 ip defaultwork 其指出默認(rèn)網(wǎng)絡(luò)，建議采用主類網(wǎng)絡(luò)。 2020 , Inc. All rights reserved. 13 R5 在 R2 上配置默認(rèn)網(wǎng)絡(luò)，配置如下所示： R2(config)router eigrp 50 R2(configrouter)work R2(configrouter)exit R2(config)ip defaultwork R2(config)exit R2show ip route Gateway of last resort is to work * , 2 subs, 2 masks D* , 00:00:53, Null0 C , Ether1/1 , 3 subs, 2 masks C , Ether1/2 D , 00:22:22, Null0 C , Ether1/0 S* [1/0] via R2 1查看 R1和 R5 路由器的路由表，并且嘗試訪問外部網(wǎng)絡(luò)： R1show ip route Gateway of last resort is to work D* [90/284160] via , 00:02:03, FastEther0/1 , 2 subs D [90/284160] via , 00:02:04, FastEther0/1 C is directly connected, FastEther0/1 R1 R1ping Type escape sequence to abort. Sending 5, 100byte ICMP Echos to , timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), roundtrip min/avg/max = 48/105/188 ms R1 R5show ip route 工大瑞普 CCNP 實(shí)驗(yàn)手 冊 169。 將 R1 和 R5 的靜態(tài)默認(rèn)路由刪除后，查看 R1 和 R5的路由表。 2020 , Inc. All rights reserved. 12 工配置 靜態(tài)默認(rèn)路由 ，則會(huì)顯得非常繁鎖 。 2020 , Inc. All rights reserved. 11 R1(config)exit R1show ip route Gateway of last resort is to work , 2 subs D [90/284160] via , 00:09:19, FastEther0/1 C is directly connected, FastEther0/1 S* [1/0] via R1 R1ping Type escape sequence to abort. Sending 5, 100byte ICMP Echos to , timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), roundtrip min/avg/max = 48/71/92 ms R1 R5(config)ip route R5(config)exit R5 R5show ip route Gateway of last resort is to work , 2 subs C is directly connected, Ether1/1 D [90/307200] via , 00:13:57, Ether1/1 S* [1/0] via R5 R5ping Type escape sequence to abort. Sending 5, 100byte ICMP Echos to , timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), roundtrip min/avg/max = 32/53/64 ms R5 根據(jù)上面配置，其實(shí)只需要給內(nèi)部路由器配置默認(rèn)路由指向出口路由器 R2 即可解決外部網(wǎng)絡(luò)無法訪問的問題。 2020 , Inc. All rights reserved. 10 R2 路由器 R2 作為企業(yè)的出口路由器，由于其配置了靜態(tài)路由，因此其可以直接訪問外部，但是內(nèi)部的 R1和 R5路由器由于缺少路由，因此無法訪問外網(wǎng)。 配置 R3 路由器用于模擬外部網(wǎng)絡(luò)，也可以把其假想為 Inter 網(wǎng)絡(luò)，并且在 R3 上配置一條默認(rèn)用于，以便路由來自于 EIGRP 內(nèi)部網(wǎng)絡(luò)的數(shù)據(jù)包 。 實(shí)驗(yàn)拓?fù)鋱D： 工大瑞普 CCNP 實(shí)驗(yàn)手 冊 169。 工大瑞普 Cisco課程開發(fā)小組 工大瑞普 CCNP 實(shí)驗(yàn)手 冊 169。 R2show ip eigrp neighbors IPEIGRP neighbors for process 50 H Address Interface Hold Uptime SRTT RTO Q Seq (sec) (ms) Cnt Num 0 Se1/0 12 00:04:57 1510 5000 0 5 1查看 R1的路由表，進(jìn)行確認(rèn)所學(xué)習(xí)到的路由。 R3(config)interface serail 1/0 R3(configif)ip summary eigrp 50 R3(configif)exit 工大瑞普 CCNP 實(shí)驗(yàn)手 冊 169。手工地址總結(jié)，可以有效的減少路由表的大小?？梢允褂?no autosummary 命令關(guān)閉。 在任意一臺路由器上查看路由器，確認(rèn)路由： R2show ip route , 3 subs, 2 masks C , Serial1/1 D , 00:06:33, Null0 C , Serial1/0 D [90/2297856] via , 00:04:39, Serial1/1 D [90/2297856] via , 00:06:34, Serial1/0 C , Loopback0 D [90/2297856] via , 00:04:39, Serial1/1 D [90/2297856] via , 00:04:39, Serial1/1 D [90/2297856] via , 00:04:39, Serial1/1 D [90/2297856] via , 00:04:39, Serial1/1 R2 在 R1 路由器上使用更簡潔的查看關(guān)于 EIGRP 的路由命令： R2show ip route eigrp 工大瑞普 CCNP 實(shí)驗(yàn)手 冊 169。 在三臺路由配置 EIGRP 自治系統(tǒng)編號為 50。 實(shí)驗(yàn)拓?fù)鋱D： 工大瑞普 CCNP 實(shí)驗(yàn)手 冊 169。 掌握 EIGRP 的自動(dòng)匯總特性，以及如何關(guān)閉自動(dòng)匯總。 2020 , Inc. All rights reserved. 4 CCNP Lab Manual Lab 1. Configuring Basic EIGRP 實(shí)驗(yàn)?zāi)康模? 掌握 EIGRP 的基本配置。 L3 EtherChannel with LACP ................................ 241 Lab 47. Configuring Layer 3 Redundancy with HSRP .................................. 246 Lab 48. Configuring Layer 3 Redundancy with VRRP .................................. 254 Implementing Secure Converged Wide Area Networks ........ 261 Lab 49. Configuring the CPE as the PPPoE Client ....................................... 262 Lab 50. Configuring GRE Tunnels ................................................................. 274 Lab 51. Configuring IPsec SitetoSite With PreshareKey .......................... 278 Lab 52. Configuring IPsec SitetoSite VPN Using SDM............................... 291 Lab 53. Configuring GRE Tunnels over IPsec With Presharekey ............... 300 Lab 54. Configuring GRE Tunnels over IPsec using SDM............................ 307 Lab 55. Configuring Cisco Easy VPN and Easy VPN Server Using SDM .... 319 Lab 56. Basic MPLS FrameMode Configuration .......................................... 335 Lab 57. Basic MPLS VPN Configuration........................................................ 342 Lab 58. Configuring Reflexive ACL ............................................................... 357 Lab 59. Configuring TwoInterface Firewall with CBAC ............................... 364 Lab 60. Configuring ThreeInterface Firewall with CBAC ......................