List of Listings


Chapter 5: Troubleshooting TCP/IP

Listing 5.1 Sample Output of ping Command in the User Exec Mode
Listing 5.2 Sample Output of the ping Command in the Privilege Exec Mode
Listing 5.3 Output of the ping Command
Listing 5.4 Sample Output of the trace Command
Listing 5.5 Sample Output of the show ip route Command
Listing 5.6 Sample Output of the show ip route Command
Listing 5.7 Sample Output of the show ip ospf Command
Listing 5.8 Sample Output of the show ip ospf interface Command
Listing 5.9 Sample Output of the show ip ospf neighbor Command
Listing 5.10 Sample Output of the show ip access-list Command
Listing 5.11 Sample Output of the show ip arp Command
Listing 5.12 Sample Output of the show ip protocols Command
Listing 5.13 Sample Output of the show ip traffic Command texas#
Listing 5.14 Sample Output of the debug ip rip Command

Chapter 6: Troubleshooting RIP Environments

Listing 6.1 Output for show ip route rip
Listing 6.2 Output for show ip protocols
Listing 6.3 Output for show ip interface
Listing 6.4 Output of the Command router rip from Router1
Listing 6.5 Output of the Command router rip from Router2
Listing 6.6 Output of the Command router rip from Router3
Listing 6.7 Output of the Command router rip from Router4
Listing 6.8 Output of the Command show ip protocols from Router1
Listing 6.9 Output of the Command show ip protocols from Router2
Listing 6.10 Output of the Command show ip protocols from Router3
Listing 6.11 Output of the Command show ip protocols from Router4
Listing 6.12 Output of the Command show ip route from Router1
Listing 6.13 Output of the Command show ip route from Router2
Listing 6.14 Output of the Command show ip route from Router3
Listing 6.15 Output of the Command show ip route from Router4
Listing 6.16 Current State of the IP Routing Table of Router4
Listing 6.17 Output of the Command show ip protocols from Router1
Listing 6.18 Configuration for Router1
Listing 6.19 Recheck of Output of the Command show ip protocols for Router1
Listing 6.20 Recheck of Output of the Command show ip route for Router4
Listing 6.21 Configuration of Router1 Using the show running-config Command
Listing 6.22 Removing an Interface Using the no passive-interface fa0/0 Command for Router4
Listing 6.23 Routing Table of Router1
Listing 6.24 Routing Updates in Router1
Listing 6.25 Configuration of Router1 Using the Command show run
Listing 6.26 Creation of Equal Cost Path Routes Using the Command maximum-path 6 for Router1
Listing 6.27 Configuration of Router1
Listing 6.28 Configuration of Router2
Listing 6.29 Configuration of Router3
Listing 6.30 Verifying RIPv2 Protocol Configuration
Listing 6.31 Verifying RIPv2 Protocol Configuration Using the Command show ip protocols for Router2
Listing 6.32 Verifying RIPv2 Protocol Configuration for Router3
Listing 6.33 Debugging Using the debug ip rip Command on Router1
Listing 6.34 Debugging Using debug ip rip Command on Router2
Listing 6.35 Debugging Using debug ip rip Command on Router3
isting 6.36 Using the show ip route Command
Listing 6.37 Configuration for Router1
Listing 6.38 Configuration for Router2
Listing 6.39 Configuration for Router3
Listing 6.40 Debug messages for Router1
Listing 6.41 Debug Messages for Router3
Listing 6.42 Routing Table for Router1
Listing 6.43 Routing Table for Router3
Listing 6.44 Pinging IP Address 10.0.1.1 for Router3
Listing 6.45 Pinging IP Address 10.0.1.1 for Router3 Successfully
Listing 6.46 Debugging Router1 Using the debug ip rip Command
Listing 6.47 Debugging Router2 using the debug ip rip Command
Listing 6.48 Reconfiguration for Router2
Listing 6.49 Output of show ip protocols Command
Listing 6.50 Routing Table of Router2
Listing 6.51 RIP Timers Verified with show ip protocol
Listing 6.52 Output of show ip interface fa0/0 Command from Router4
Listing 6.53 Command to Enable and Disable Split Horizon
Listing 6.54 Command to Configure the Hold-down Timer

Chapter 7: Troubleshooting IGRP Routing Environments

Listing 7.1 Configuration of R1
Listing 7.2 Configuration of R2
Listing 7.3 Configuration of R3
Listing 7.4 Configuration of R4
Listing 7.5 Configuration of R5
Listing 7.6 Output of the show ip protocols Command at R2
Listing 7.7 Output of the show ip route Command at R2
Listing 7.8 Output of the show ip route igrp Command at R2
Listing 7.9 Output of the debug ip igrp transactions Command at R1
Listing 7.10 Output of the debug ip igrp events Command at R2
Listing 7.11 Output of the ping ip-address Command
Listing 7.12 Output of the undebug all Command for R2
Listing 7.13 Output of the sh ip route Command at R1
Listing 7.14 Output of the show ip protocols Command at R5
Listing 7.15 Output of the show ip protocols Command at R5
Listing 7.16 Output of the show ip route Command at R1
Listing 7.17 Configuration of R5
Listing 7.18 Output of the no passive-interface Command at R5
Listing 7.19 Output of the show ip route Command at R1
Listing 7.20 Output of the debug ip igrp Command at R1
Listing 7.21 Output of the show run Command at R1
Listing 7.22 Routing Table of R1
Listing 7.23 Routing Table of R3
Listing 7.24 Routing Table of R5
Listing 7.25 Configuration of R5
Listing 7.26 Configuration of R3
Listing 7.27 Reconfiguring R5
Listing 7.28 Routing Table for R3
Listing 7.29 Routing Table for R5
Listing 7.30 Output of the show ip protocols Command
Listing 7.31 Routing Table of R3
Listing 7.32 Configuration of R4
Listing 7.33 Output of the show ip route Command
Listing 7.34 Reconfiguration of R4
Listing 7.35 Output of the show ip route Command

Chapter 8: Troubleshooting EIGRP Routing Environments

Listing 8.1 Output for show ip eigrp interfaces Command in B2
Listing 8.2 Output of show ip eigrp neighbors Command in B2
Listing 8.3 Output of show ip eigrp topology Command in B2
Listing 8.4 Output of show ip eigrp traffic Command in B2
Listing 8.5 Output of debug eigrp neighbors Command at B2
Listing 8.6 Output of debug eigrp packets hello Command at B2
Listing 8.7 Output of the debug eigrp transmit Command at B2
Listing 8.8 Output of debug eigrp fsm Command at B2
Listing 8.9 Ping Command at B2
Listing 8.10 Ping Command at B3
Listing 8.11 Output of show ip eigrp neighbors Command at B2
Listing 8.12 Output of show ip eigrp neighbors Command at B3
Listing 8.13 Output for show ip route 192.168.1.0 Command at B2
Listing 8.14 Output for show ip protocols Command at B1
Listing 8.15 Correct Configuration of B1
Listing 8.16 Output of ping 192.168.2.5 Command at B1
Listing 8.17 Output of ping 192.168.2.5 Command at B3
Listing 8.18 Output of show ip eigrp neighbors Command at B1
Listing 8.19 Output of show ip eigrp neighbors Command at B3
Listing 8.20 Output for show ip protocols Command at B2
Listing 8.21 Correct Configuration of B2
Listing 8.22 Output of the show ip eigrp neighbors Command at A1
Listing 8.23 Output of the show interface Serial0 at A1
Listing 8.24 Output for show running-config Command at A1
Listing 8.25 Output for show ip protocols Command at A1
Listing 8.26 Output of the show ip interface Serial 0 Command at A1
Listing 8.27 Output of show ip protocols Command at A1
Listing 8.28 Output for the show ip route 192.168.4.0 Command at A1
Listing 8.29 Output of the show interface Serial 0 Command for A1
Listing 8.30 Output for the show interface Serial 0 Command for A1
Listing 8.31 Output of the show ip eigrp topology active Command in A1
Listing 8.32 Commands to Configure Redistribution from RIP into EIGRP

Chapter 9: Troubleshooting OSPF Routing Environments

Listing 9.1 Output of the show ip ospf neighbor Command at B1
Listing 9.2 Output of the show ip ospf border-routers Command at B1
Listing 9.3 Output of the show ip ospf database Command at B1
Listing 9.4 Output of the show ip ospf interface Command at B1
Listing 9.5 Output of the show ip ospf 1 Command at B1
Listing 9.6 Output of the show ip protocols Command
Listing 9.7 Output of the debug ip ospf hello Command at B1
Listing 9.8 Output of the debug ip ospf adj Command at B1
Listing 9.9 Output of the debug ip ospf events Command at B1
Listing 9.10 Output of the debug ip ospf packet Command at B1
Listing 9.11 Output of the show ip ospf neighbor Command at B1
Listing 9.12 Output of the show ip ospf interface Command at B1
Listing 9.13 Output of show ip ospf neighbor Command in INIT State
Listing 9.14 Output of show ip ospf neighbor Command in EXCHANGE State
Listing 9.15 Output of show ip ospf neighbor Command in 2-way State
Listing 9.16 Output of show ip interface FastEthernet0/1 Command at A2
Listing 9.17 Configuration of A2
Listing 9.18 Configuration of A1
Listing 9.19 Configuration of A2
Listing 9.20 Configuration of A1
Listing 9.21 Checking for Route Maps in A1
Listing 9.22 Output of the show ip protocols Command at A3
Listing 9.23 Output of show interface Serial 0/1 Command
Listing 9.24 Output of the show ip ospf interface Serial0/1 Command at B1
Listing 9.25 Output of the show ip ospf interface Serial0/1 Command at B2

Chapter 10: Troubleshooting IS-IS Routing Environments

Listing 10.1 Configuration of R1
Listing 10.2 Configuration of R2
Listing 10.3 Configuration of R3
Listing 10.4 Configuration of R4
Listing 10.5 Output for show isis Command in R2
Listing 10.6 Output of router#show clns Command in R2
Listing 10.7 Output of router#show clns neighbor Command in R2
Listing 10.8 Output of router#show clns interface interface-name Command in R2
Listing 10.9 Output of router#show clns protocol Command in R2
Listing 10.10 Output of router#show clns traffic Command in R2
Listing 10.11 Output of router#show isis database Command in R2
Listing 10.12 Output of router#show isis spf-log Command in R2
Listing 10.13 Output of debug isis adj-packets Command in R2
Listing 10.14 Output of debug isis spf-events Command in R2
Listing 10.15 Output of debug isis snp-packets Command in R2
Listing 10.16 Output of debug isis spf-update Command in R2
Listing 10.17 Configuration of R1
Listing 10.18 Configuration of R2
Listing 10.19 Output of show isis Command at R1
Listing 10.20 Output of show isis Command at R2
Listing 10.21 Correct Configuration for R1
Listing 10.22 Correct Configuration of R2
Listing 10.23 Verification of System ID on R1
Listing 10.24 Verification of System ID on R2
Listing 10.25 Reconfiguration of R2
Listing 10.26 Output for show isis Command at R1
Listing 10.27 Output for show isis Command at R2
Listing 10.28 Output of show clns neighbor Command at R4
Listing 10.29 Output of show clns neighbor Command at R4
Listing 10.30 Correct Router Configuration at R2
Listing 10.31 Redistribution Configuration in R1
Listing 10.32 Redistribution Configuration in R2
Listing 10.33 Redistribution Configuration in R3
Listing 10.34 R1 Configuration
Listing 10.35 R2 Configuration
Listing 10.36 New Configuration of R1
Listing 10.37 New Configuration of R2
Listing 10.38 New Configuration of R3

Chapter 11: Troubleshooting BGP for Routing Environments

Listing 11.1 Output of show ip bgp Command
Listing 11.2 Output of show ip bgp cidr-only Command
Listing 11.3 Output of show ip bgp community Command
Listing 11.4 Output of show ip bgp neighbors Command
Listing 11.5 Output of show ip bgp paths Command
Listing 11.6 Output of show ip bgp summ Command
Listing 11.7 Output of show ip bgp neighbor A.B.C.D advertised-routes Command
Listing 11.8 Output of show ip bgp neighbor A.B.C.D routes Command
Listing 11.9 Output of debug ip bgp 192.168.119.122 updates Command
Listing 11.10 Output of debug ip bgp events Command
Listing 11.11 Output of debug ip bgp keepalives Command
Listing 11.12 Triggered Events by BGP Neighbor Flap at B1
Listing 11.13 Checking Neighbor Reachability
Listing 11.14 Output of show ip int serial 0/0 Command
Listing 11.15 Output of show access-list 101 Command
Listing 11.16 Output of show ip route Command
Listing 11.17 Output of show ip bgp Command
Listing 11.18 Configuration of A1
Listing 11.19 Output of show running-config Command at A1
Listing 11.20 Output of show running-config Command at B1
Listing 11.21 Output of show ip route 192.168.1.0 Command
Listing 11.22 Configuration at C1
Listing 11.23 Relevant Configuration at C1
Listing 11.24 Configuration at A1
Listing 11.25 Configuration at B1
Listing 11.26 Output of show ip bgp 10.10.1.0/24 Command
Listing 11.27 Output of show ip bgp 10.10.1.0/24 Command
Listing 11.28 Output of show ip route Command at A1
Listing 11.29 Configuration of A1
Listing 11.30 Configuration of B1
Listing 11.31 Output of show ip route 192.168.1.0 Command
Listing 11.32 Output of show ip bgp neighbor Command
Listing 11.33 Output of show ip bgp neighbor 10.4.1.2 Command
Listing 11.34 Output of show running-configuration Command at C1
Listing 11.35 Output of show running-configuration Command
Listing 11.36 Output of show running-config Command

Chapter 12: Troubleshooting Redistribution Routing Environments

Listing 12.1 Output of the show ip interface brief Command
Listing 12.2 Output of the show ip protocols Command
Listing 12.3 Output of the show ip route Command
Listing 12.4 Part of Configuration to Check Redistribution
Listing 12.5 Corrected Configuration for Redistribution of 192.168.30.0/27
Listing 12.6 Output of the show ip route Command for B7
Listing 12.7 Output of the show ip interface brief Command
Listing 12.8 Output of the show ip protocols Command
Listing 12.9 Output of the show ip route Command
Listing 12.10 Redistribution Configuration
Listing 12.11 Available Route After Access List Modification
Listing 12.12 Output of the show ip route 192.168.1.66 Command
Listing 12.13 Configuration to Allow Subnets in Redistribution
Listing 12.14 Output of the show ip route 172.16.1.1 Command
Listing 12.15 Part of the Configuration to Check Route Maps
Listing 12.16 Output of Ping Command
Listing 12.17 Output of the show running-config Command
Listing 12.18 Modifying Access List 20
Listing 12.19 Configuration for Optimal RIP Route Selection
Listing 12.20 Part of the Backup Path Configuration
Listing 12.21 Output of the show ip route 172.16.10.1 Command




Cisco IP Routing Protocols(c) Trouble Shooting Techniques
Cisco IP Routing Protocols: Trouble Shooting Techniques (Charles River Media Networking/Security)
ISBN: 1584503416
EAN: 2147483647
Year: 2006
Pages: 130

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