【正文】 RP FSM Events/Actions debugging is onR2debug eigrp packets query 調(diào)試eigrp的查詢包EIGRP Packets debugging is on (QUERY)在R1路由器上使用shutdown命令，重激活loopback的接口，模擬網(wǎng)絡(luò)出錯。R3(config)interface serial 1/0R3(configif)ip summaryaddress eigrp 50 。在三臺路由配置EIGRP自治系統(tǒng)編號為50。如果不使用此命令，則密碼會以明文方式進行傳輸?！?根據(jù)如下公式配置R1的EIGRP的variance值。掌握EIGRP的metric值修改方法。而R4也屬于主類的界，也會與R1做出相同的動作。R21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 network D* [90/284160] via , 00:02:03, FastEthernet0/1由于R2上配置的默認(rèn)網(wǎng)絡(luò)，EIGRP路由器會將其通告給R1路由器。配置R3路由器用于模擬外部網(wǎng)絡(luò)，也可以把其假想為Internet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。如下：R1(config)R1(config)router eigrp 50R1(configrouter)no autosummary關(guān)于EIGRP的自動匯總特性。CCNP考試實驗 CCNP考試實驗手冊 IndexBuilding Scalable Cisco Internetworks 4Lab 1. Configuring Basic EIGRP 5Lab 2. Configuring Defaultnetwork for EIGRP 9Lab 3. Manually Summarizing EIGRP Routes 16Lab 4. Configuring EIGRP UnequalCost Paths 23Lab 5. Configuring EIGRP Authentication 27Lab 6. Understand EIGRP Query 31Lab 7. Configuring Basic Multi Area OSPF and Area Summary 39Lab 8. Configuring OSPF in NBMA 44Lab 9. Configuring OSPF Authentication 52Lab 10. Configuring OSPF External Summary 59Lab 11. Configuring OSPF Default Route With Metric 63Lab 12. Configuring OSPF Stub Area 67Lab 13. Configuring OSPF Totally Stub Area 72Lab 14. Configuring OSPF NSSA Area and NSSA Totally Stub 76Lab 15. Configuring OSPF VirtualLink 84Lab 16. Configuring OSPF VirtualLink（Cont.） 88Lab 17. Understand OSPF Routing Between Inter Area 92Lab 18. Configuring Basic ISIS 95Lab 19. Configuring ISIS Multi Area and Summary Route 100Lab 20. Migrate ISIS Area 107Lab 21. Redistributing into RIP and OSPF 112Lab 22. Redistributing into EIGRP and ISIS 116Lab 23. Redistribution Using Administrative Distance 121Lab 24. Filtering Routing Updates with a Distribute List 124Lab 25. Filtering Routing Updates with a Router Maps 128Lab 26. Using Route Tag Filtering Routing Updates 132Lab 27. Policybased route 136Lab 28. Configuring Basic BGP 140Lab 29. Configuring BGP Using Loopback Addresses 144Lab 30. Understand BGP AutoSummary 148Lab 31. Configuring BGP Summarization 153Lab 32. Understand BGP Sychronization Rule 157Lab 33. BGP Neighbor Authentication 165Lab 34. Configuring BGP Local Preference 170Lab 35. Using Route Maps to Configuring BGP Local Preference 176Lab 36. Configuring BGP MultiExit Discriminator 183Lab 37. Configuring BGP Weight 189Lab 38. Affects the BGP Routing By Path Prepend 195Lab 39. Using Route Tag to Store BGP ASPath 199Lab 40. Using Distributelist to Filtering BGP Routing 205Lab 41. Using RouteMap to Filtering BGP Routing 208Lab 42. Using PrefixList to Filtering BGP Routing 211Lab 43. Configuring IPv6 Static Routing and Summary 216Lab 44. Configuring IPv6 to IPv4 Tunneling 223Lab 45. Configuring IPv6 NATPT 227Lab 46. Configuring RIPng and Manual Summary 230Lab 47. Configuring OSPFv3 and Area Authentication 236Lab 48. Configuring OSPFv3 MultiArea and Area Summary 241Lab 49. Configuring ISIS for IPv6 and Route Summary 246Lab 50. Configuring Basic MPBGP4 and Aggregate Addressing 253Lab 51. Configuring MPBGP4 Route Filtering 259Building Cisco Multilayer Switched Networks 262Lab 52. Configuring PortBased Authentication 263Lab 53. Routing Between VLANs on Multilayer Switch 270Lab 54. Routing Between VLANs and VTP Protocol 274Lab 55. Configuring L2 amp。 R1(configrouter)exitR1(config)隨后在R2上觀察路由表的變化，如下顯示：R2show ip route eigrp , 3 subnets, 2 masksD , 00:07:26, Null0D [90/2297856] via , 00:05:09, Serial1/1 , 4 subnetsD [90/2297856] via , 00:02:31, Serial1/0D [90/2297856] via , 00:02:31, Serial1/0D [90/2297856] via , 00:02:31, Serial1/0D [90/2297856] via , 00:02:31, Serial1/0當(dāng)關(guān)閉了自動匯總后，R2可以看到明細(xì)路由。R3(config)R3(config)ip route 。 , 2 subnetsD [90/284160] via , 00:02:04, FastEthernet0/1C is directly connected, FastEthernet0/1R1R1ping 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 msR1R5show ip route Gateway of last resort is to network D* [90/307200] via , 00:04:15, Ethernet1/1 , 2 subnetsC is directly connected, Ethernet1/1D [90/307200] via , 00:04:19, Ethernet1/1R5 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 = 76/87/96 msR51使用ip defaultnetwork命令可以有效減少內(nèi)部網(wǎng)絡(luò)配置任務(wù)。因此R2會從不同的接口，收到相同的匯總路由。掌握EIGRP的AD、FD、FC、Successor、FS概念。FD of FS route FD of best route(Successor) * Varince根據(jù)公式可得出：2300416 156160 * xx≈1為了測試，先在R1上配置variance值為14，觀察路由表。R1(configif)endR1(config)雙方路由器使用clear ip route *命令進行刷新路由表，加快路由表的收斂。本次實驗采用通配符掩碼配置R1的回環(huán)口。再次觀察R2與R3的路由表。R1show ip route eigrp , 3 subnets, 2 masksD [90/2681856] via , 00:01:20, Serial1/1D , 00:01:00, Null0 , 2 subnets, 2 masksD , 00:00:59, Null0R1R2show ip route eigrp D [90/2297856] via , 00:01:16, Serial1/0D [90/2172416] via , 00:01:21, Serial1/0 [90/2172416] via , 00:01:21, Serial1/1R2R3sh ip route eigrp , 3 subnets, 2 masksD , 00:01:30, Null0D [90/2681856] via , 00:01:36, Serial1/0D [90/156160] via , 00:01:30, FastEthernet0/0R3登錄到R2路由器，使用debug命令跟蹤EIGRP的更新。R1show ip routeC , Serial1/1D , 00:00:16, Null0 , 2 subnets, 2 masksC , Loopback0D , 00:00:16, Null0R1R2show ip route………C , Serial1/0D , 00:02:53, Null0C , Loopback0R2: *Mar 14 15:35::