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Packet Tracer Simulation Lab Layer3 Routing

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Packet Tracer Simulation Lab Layer3 Routing

  1. 1. Packet Tracer Simulation Lab L3 RoutingJohnson LiuCCIE#11440(R&S, SP)CCSI#31346
  2. 2. Agenda Slide • Setup two Routers with WAN WIC(WAN Interface Card) • Setup each LAN segment behind both Routers • Assign WAN IP address between Routers • Enable Static route in both Routers • Enable RIP routing protocols • Enable OSPF routing protocols3/6/2013 Confidential | Copyright 2012 Trend Micro Inc.
  3. 3. Setup two Routers with WANWIC(WAN Interface Card)
  4. 4. Setup two Routers with WAN WIC(WAN Interface Card)3/6/2013 Confidential | Copyright 2012 Trend Micro Inc. 4
  5. 5. Setup two Routers with WAN WIC(WAN Interface Card)3/6/2013 Confidential | Copyright 2012 Trend Micro Inc. 5
  6. 6. Router basic configurations Router>en Router#conf t Enter configuration commands, one per line. End with CNTL/Z. Router(config)#hostname R1 R1(config)#enable secret cisco R1(config)#line vty 0 4 R1(config-line)#password cisco R1(config-line)#exit R1(config)#exit R1(config)#interface loopback0 => Loopback interface for management R1(config-if)#ip address 1.1.1.1 255.255.255.255 R1(config-if)#^Z =>(Ctrl-Z) R1# %SYS-5-CONFIG_I: Configured from console by console R1#telnet 1.1.1.1 Trying 1.1.1.1 ...Open User Access Verification Password: R1>en Password: R1# R1#3/6/2013 Confidential | Copyright 2012 Trend Micro Inc. 6
  7. 7. Assign WAN IP address between Routers
  8. 8. Setup two Routers with WAN WIC(WAN Interface Card)3/6/2013 Confidential | Copyright 2012 Trend Micro Inc. 8
  9. 9. Check interface list and status in brief R1#sh ip int brief Interface IP-Address OK? Method Status Protocol FastEthernet0/0 unassigned YES unset administratively down down FastEthernet0/1 unassigned YES unset administratively down down Serial0/0/0 unassigned YES unset administratively down down Serial0/0/1 unassigned YES unset administratively down down Loopback0 1.1.1.1 YES manual up up Vlan1 unassigned YES unset administratively down down R1#3/6/2013 Confidential | Copyright 2012 Trend Micro Inc. 9
  10. 10. Common Leased Line Physical Topology3/6/2013 Confidential | Copyright 2012 Trend Micro Inc. 10
  11. 11. DCE vs DTE3/6/2013 Confidential | Copyright 2012 Trend Micro Inc. 11
  12. 12. Routers w/ V.35 Serial cable setup back-to-back connection Serial Male Female Serial (DTE) V.35 V.35 (DCE) Clock Rate3/6/2013 Confidential | Copyright 2012 Trend Micro Inc. 12
  13. 13. Check serial interface type in each router R1#sh controllers s0/0/0 Interface Serial0/0/0 Hardware is PowerQUICC MPC860 DCE V.35, no clock idb at 0x81081AC4, driver data structure at 0x81084AC0 SCC Registers: … (omit) R2#show controllers s0/0/0 Interface Serial0/0/0 Hardware is PowerQUICC MPC860 DTE V.35 clocks stopped. idb at 0x81081AC4, driver data structure at 0x81084AC0 SCC Registers: … (omit)3/6/2013 Confidential | Copyright 2012 Trend Micro Inc. 13
  14. 14. Configure R1 Serial0/0/0 R1>en Password: R1#conf t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#int s0/0/0 R1(config-if)#no shutdown %LINK-5-CHANGED: Interface Serial0/0/0, changed state to down R1(config-if)#clock rate 64000 => Since R1 s0/0/0 is DCE, so it must config clock rate R1(config-if)#ip address 10.100.1.1 255.255.255.252 R1(config-if)#^Z R1# %SYS-5-CONFIG_I: Configured from console by console R1#sh ip int brief Interface IP-Address OK? Method Status Protocol FastEthernet0/0 unassigned YES unset administratively down down FastEthernet0/1 unassigned YES unset administratively down down Serial0/0/0 10.100.1.1 YES manual down down Serial0/0/1 unassigned YES unset administratively down down Loopback0 1.1.1.1 YES manual up up Vlan1 unassigned YES unset administratively down down3/6/2013 Confidential | Copyright 2012 Trend Micro Inc. 14
  15. 15. Configure R2 Serial0/0/0 R2>en Password: R2#conf t R2(config)#int s0/0/0 R2(config-if)#no shutdown %LINK-5-CHANGED: Interface Serial0/0/0, changed state to up %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0/0, changed state to up R2(config-if)#ip address 10.100.1.2 255.255.255.252 R2(config-if)#^Z R2# %SYS-5-CONFIG_I: Configured from console by console R2#sh ip int brief Interface IP-Address OK? Method Status Protocol FastEthernet0/0 unassigned YES unset administratively down down FastEthernet0/1 unassigned YES unset administratively down down Serial0/0/0 10.100.1.2 YES manual up up Serial0/0/1 unassigned YES unset administratively down down Loopback0 2.2.2.2 YES manual up up Vlan1 unassigned YES unset administratively down down3/6/2013 Confidential | Copyright 2012 Trend Micro Inc. 15
  16. 16. Check R1 serial interface status R1#sh int s0/0/0 Serial0/0/0 is up, line protocol is up (connected) Hardware is HD64570 Internet address is 10.100.1.1/30 MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec, reliability 255/255, txload 1/255, rxload 1/255 Encapsulation HDLC, loopback not set, keepalive set (10 sec) Last input never, output never, output hang never Last clearing of "show interface" counters never … (omit) R1#ping 10.100.1.2 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 10.100.1.2, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 20/20/20 ms3/6/2013 Confidential | Copyright 2012 Trend Micro Inc. 16
  17. 17. WAN interconnection was ready!3/6/2013 Confidential | Copyright 2012 Trend Micro Inc. 17
  18. 18. Setup each LAN segment behind Routers
  19. 19. Setup LAN switch & host in both site3/6/2013 Confidential | Copyright 2012 Trend Micro Inc. 19
  20. 20. Check R1 interface list and status in brief R1#sh ip int brief Interface IP-Address OK? Method Status Protocol FastEthernet0/0 unassigned YES unset administratively down down FastEthernet0/1 unassigned YES unset administratively down down Serial0/0/0 10.100.1.1 YES manual up up Serial0/0/1 unassigned YES unset administratively down down Loopback0 1.1.1.1 YES manual up up Vlan1 unassigned YES unset administratively down down R1#3/6/2013 Confidential | Copyright 2012 Trend Micro Inc. 20
  21. 21. Configure R1 FastEthernet0/0/0 R1#conf t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#int f0/0 R1(config-if)#no shutdown %LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up R1(config-if)#ip address 10.100.2.254 255.255.255.0 R1(config-if)#^Z R1# %SYS-5-CONFIG_I: Configured from console by console R1#sh ip int brief Interface IP-Address OK? Method Status Protocol FastEthernet0/0 10.100.2.254 YES manual up up FastEthernet0/1 unassigned YES unset administratively down down Serial0/0/0 10.100.1.1 YES manual up up Serial0/0/1 unassigned YES unset administratively down down Loopback0 1.1.1.1 YES manual up up Vlan1 unassigned YES unset administratively down down3/6/2013 Confidential | Copyright 2012 Trend Micro Inc. 21
  22. 22. Configure R2 FastEthernet0/0/0 R2#conf t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#int f0/0 R2(config-if)#no shutdown %LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up R2(config-if)#ip address 10.100.3.254 255.255.255.0 R2(config-if)#^Z R2# %SYS-5-CONFIG_I: Configured from console by console R2#sh ip int brief Interface IP-Address OK? Method Status Protocol FastEthernet0/0 10.100.3.254 YES manual up up FastEthernet0/1 unassigned YES unset administratively down down Serial0/0/0 10.100.1.2 YES manual up up Serial0/0/1 unassigned YES unset administratively down down Loopback0 2.2.2.2 YES manual up up Vlan1 unassigned YES unset administratively down down3/6/2013 Confidential | Copyright 2012 Trend Micro Inc. 22
  23. 23. Configure switches & hosts  Keep switch default configuration without any change, because we use switch default VLAN 1 only without management SVI and any dedicated VLAN/Trunk port configuration  Configure host IP Address behind R1  IP Address: 10.100.2.1  Subnet Mask: 255.255.255.0  Default Gateway: 10.100.2.254 (R1 F0/0 IP Address)  Configure host IP Address behind R2  IP Address: 10.100.3.1  Subnet Mask: 255.255.255.0  Default Gateway: 10.100.3.254 (R1 F0/0 IP Address)  Now only R1 can ping PC1, R2 can ping PC2, but PC1 cannot ping PC2, because R1 and R2 still not have complete routing information3/6/2013 Confidential | Copyright 2012 Trend Micro Inc. 23
  24. 24. Enable Static route in both Routers
  25. 25. How to test in routers (1/2) ?  When execute ping function in routers under default parameter, it will use outgoing interface IP address as source IP(ex:R1 s0/0/0), so it will always works! R1#ping 10.100.3.1 => The host behind R2 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 10.100.3.1, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 52/58/61 ms  That’s because the other router (R2) has WAN(10.100.1.0/30) and LAN(10.100.1.0/30) routing information so it can route the packet between these IP networks. R2#sh ip route Gateway of last resort is not set 2.0.0.0/32 is subnetted, 1 subnets C 2.2.2.2 is directly connected, Loopback0 10.0.0.0/8 is variably subnetted, 2 subnets, 2 masks C 10.100.1.0/30 is directly connected, Serial0/0/0 C 10.100.3.0/24 is directly connected, FastEthernet0/03/6/2013 Confidential | Copyright 2012 Trend Micro Inc. 25
  26. 26. How to test in routers (2/2) ?  You can use extension ping as below to specify any source IP which owns by this router interface: R1#ping Protocol [ip]: => Leave it alone, it means IP protocol Target IP address: 10.100.3.1 Repeat count [5]: Datagram size [100]: Timeout in seconds [2]: Extended commands [n]: y Source address or interface: 10.100.2.254 => Using R1 F0/0 IP address as Source IP Type of service [0]: Set DF bit in IP header? [no]: Validate reply data? [no]: Data pattern [0xABCD]: Loose, Strict, Record, Timestamp, Verbose[none]: Sweep range of sizes [n]: Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 10.100.3.1, timeout is 2 seconds: Packet sent with a source address of 10.100.2.254 ..... Success rate is 0 percent (0/5)  So, let’s fix it by static route in both routers !3/6/2013 Confidential | Copyright 2012 Trend Micro Inc. 26
  27. 27. Configure R1 static route R1#conf t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#ip route 10.100.3.0 255.255.255.0 10.100.1.2 R1(config)#^Z R1# %SYS-5-CONFIG_I: Configured from console by console R1#sh ip route Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area * - candidate default, U - per-user static route, o - ODR P - periodic downloaded static route Gateway of last resort is not set 1.0.0.0/32 is subnetted, 1 subnets C 1.1.1.1 is directly connected, Loopback0 10.0.0.0/8 is variably subnetted, 3 subnets, 2 masks C 10.100.1.0/30 is directly connected, Serial0/0/0 C 10.100.2.0 is directly connected, FastEthernet0/0 S 10.100.3.0 [1/0] via 10.100.1.23/6/2013 Confidential | Copyright 2012 Trend Micro Inc. 27
  28. 28. Configure R2 static route R2#conf t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#ip route 10.100.2.0 255.255.255.0 10.100.1.1 R2(config)#^Z R2# %SYS-5-CONFIG_I: Configured from console by console R2#sh ip route Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area * - candidate default, U - per-user static route, o - ODR P - periodic downloaded static route Gateway of last resort is not set 2.0.0.0/32 is subnetted, 1 subnets C 2.2.2.2 is directly connected, Loopback0 10.0.0.0/8 is variably subnetted, 3 subnets, 2 masks C 10.100.1.0/30 is directly connected, Serial0/0/0 S 10.100.2.0/24 [1/0] via 10.100.1.1 C 10.100.3.0/24 is directly connected, FastEthernet0/03/6/2013 Confidential | Copyright 2012 Trend Micro Inc. 28
  29. 29. Check the routing in Router and host R1#ping Protocol [ip]: => Leave it alone, it means IP protocol Target IP address: 10.100.3.1 Repeat count [5]: Datagram size [100]: Timeout in seconds [2]: Extended commands [n]: y Source address or interface: 10.100.2.254 => Using R1 F0/0 IP address as Source IP Type of service [0]: Set DF bit in IP header? [no]: Validate reply data? [no]: Data pattern [0xABCD]: Loose, Strict, Record, Timestamp, Verbose[none]: Sweep range of sizes [n]: Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 10.100.3.1, timeout is 2 seconds: Packet sent with a source address of 10.100.2.254 !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 43/54/60 ms PC>ping 10.100.3.1 Pinging 10.100.3.1 with 32 bytes of data: Reply from 10.100.3.1: bytes=32 time=101ms TTL=126 Ping statistics for 10.100.3.1: Packets: Sent = 4, Received = 4, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 100ms, Maximum = 101ms, Average = 100ms3/6/2013 Confidential | Copyright 2012 Trend Micro Inc. 29
  30. 30. Enable RIP routing protocols
  31. 31. Clear static route configuration at first  Before we starting to configure RIP protocol, please remove the static route in both R1 and R2 to ensure our RIP can work for routing exchange and packet forwarding R1#sh run …(omit) ! ip route 10.100.3.0 255.255.255.0 10.100.1.2 ! …(omit) R1#conf t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#no ip route 10.100.3.0 255.255.255.0 10.100.1.2 R1(config)#^Z R1# %SYS-5-CONFIG_I: Configured from console by console R1#sh ip route 1.0.0.0/32 is subnetted, 1 subnets C 1.1.1.1 is directly connected, Loopback0 10.0.0.0/24 is subnetted, 2 subnets C 10.100.1.0 is directly connected, Serial0/0/0 C 10.100.2.0 is directly connected, FastEthernet0/03/6/2013 Confidential | Copyright 2012 Trend Micro Inc. 31
  32. 32. Configure RIP protocol R1#conf t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#router rip R1(config-router)#version 2 R1(config-router)#network 10.0.0.0 R1(config-router)#no auto-summary R1(config-router)#^Z R1# R2#conf t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#router rip R2(config-router)#version 2 R2(config-router)#network 10.0.0.0 R2(config-router)#no auto-summary R2(config-router)#^Z R2#3/6/2013 Confidential | Copyright 2012 Trend Micro Inc. 32
  33. 33. Check R1 & R2 routing table R1#sh ip route Gateway of last resort is not set 1.0.0.0/32 is subnetted, 1 subnets C 1.1.1.1 is directly connected, Loopback0 10.0.0.0/24 is subnetted, 3 subnets C 10.100.1.0 is directly connected, Serial0/0/0 C 10.100.2.0 is directly connected, FastEthernet0/0 R 10.100.3.0 [120/1] via 10.100.1.2, 00:00:26, Serial0/0/0 R2#sh ip route Gateway of last resort is not set 2.0.0.0/32 is subnetted, 1 subnets C 2.2.2.2 is directly connected, Loopback0 10.0.0.0/8 is variably subnetted, 3 subnets, 2 masks C 10.100.1.0/30 is directly connected, Serial0/0/0 R 10.100.2.0/24 [120/1] via 10.100.1.1, 00:00:07, Serial0/0/0 C 10.100.3.0/24 is directly connected, FastEthernet0/03/6/2013 Confidential | Copyright 2012 Trend Micro Inc. 33
  34. 34. Enable OSPF routing protocols
  35. 35. OSPF Topology Design3/6/2013 Confidential | Copyright 2012 Trend Micro Inc. 35
  36. 36. Check R1 OSPF neighbor and routing table R1#sh ip ospf neighbor Neighbor ID Pri State Dead Time Address Interface 2.2.2.2 0 FULL/ - 00:00:38 10.100.1.2 Serial0/0/0 R1#sh ip route Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area * - candidate default, U - per-user static route, o - ODR P - periodic downloaded static route Gateway of last resort is not set 1.0.0.0/32 is subnetted, 1 subnets C 1.1.1.1 is directly connected, Loopback0 2.0.0.0/32 is subnetted, 1 subnets O 2.2.2.2 [110/65] via 10.100.1.2, 00:00:31, Serial0/0/0 10.0.0.0/8 is variably subnetted, 3 subnets, 2 masks C 10.100.1.0/30 is directly connected, Serial0/0/0 C 10.100.2.0/24 is directly connected, FastEthernet0/0 O IA 10.100.3.0/24 [110/65] via 10.100.1.2, 00:08:39, Serial0/0/03/6/2013 Confidential | Copyright 2012 Trend Micro Inc. 36
  37. 37. Check R2 OSPF neighbor and routing table R2#sh ip ospf neighbor Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 FULL/ - 00:00:36 10.100.1.1 Serial0/0/0 R2#sh ip route Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area * - candidate default, U - per-user static route, o - ODR P - periodic downloaded static route Gateway of last resort is not set 1.0.0.0/32 is subnetted, 1 subnets O 1.1.1.1 [110/65] via 10.100.1.1, 00:02:13, Serial0/0/0 2.0.0.0/32 is subnetted, 1 subnets C 2.2.2.2 is directly connected, Loopback0 10.0.0.0/8 is variably subnetted, 3 subnets, 2 masks C 10.100.1.0/30 is directly connected, Serial0/0/0 O IA 10.100.2.0/24 [110/65] via 10.100.1.1, 00:10:06, Serial0/0/0 C 10.100.3.0/24 is directly connected, FastEthernet0/03/6/2013 Confidential | Copyright 2012 Trend Micro Inc. 37
  38. 38. Q&A3/6/2013 Confidential | Copyright 2012 Trend Micro Inc. 38
  39. 39. Appendix3/6/2013 Confidential | Copyright 2012 Trend Micro Inc. 39
  40. 40. PDU Simulation for troubleshooting3/6/2013 Confidential | Copyright 2012 Trend Micro Inc. 40
  41. 41. PDU Simulation for troubleshooting3/6/2013 Confidential | Copyright 2012 Trend Micro Inc. 41
  42. 42. PDU Simulation for troubleshooting3/6/2013 Confidential | Copyright 2012 Trend Micro Inc. 42

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