You are a network administrator for an ISP with autonomous system number 200. Your autonomous system is multi-homed to various customers including AS 100 for the International Travel Agency (ITA). Routers running IBGP within AS 200 cannot reach AS 100. | Lab Transit AS Routing Objective Successful propagation of customer routes through IBGP. Scenario You are a network administrator for an ISP with autonomous system number 200. Your autonomous system is multi-homed to various customers including AS 100 for the International Travel Agency ITA . Routers running IBGP within AS 200 cannot reach AS 100. Step 1 Cable the lab as shown in the diagram. Load the configuration files into your routers. 1-2 Semester 8 Internetwork Troubleshooting - Lab Copyright 2001 Cisco Systems Inc. Step 2 Start the investigation on router ISP1B with show ip bgp show ip route and show ip bgp record results below Step 3 Based on the output and your knowledge of BGP what are some possible causes for routers from other autonomous systems cannot reach AS 100 Step 4 What is your action plan for allowing traffic originating in or transiting AS 200 to reach AS 100 Step 5 Implement your action plan and observe results with show ip bgp show ip route and show ip bgp . Also ensure connectivity with a ping from router ISP1B to the remote LAN in AS 100. Step 6 Document summary of problem troubleshooting methods and resolution. 2-2 Semester 8 Internetwork Troubleshooting - Lab Copyright 2001 Cisco Systems .
