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New ISP Customer

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You are a network administrator for an Internet service provider. After successfully establishing an EBGP session between your ISP and the International Travel Agency (ITA), users within the ITA network still can’t access the Internet. | Lab 14.3.3.1 New ISP Customer Objective Provide connectivity between Autonomous Systems AS using BGP. Scenario You are a network administrator for an Internet service provider. After successfully establishing an EBGP session between your ISP and the International Travel Agency ITA users within the ITA network still can t access the Internet. Step 1 Cable the lab as shown in the diagram. Load the configuration files into your routers. Step 2 Begin by viewing the routing table on router ISP1B. ISP1B show 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 1-2 Semester 8 Internetwork Troubleshooting v1.0 - Lab 14.3.3.1 Copyright 2001 Cisco Systems Inc. P - periodic downloaded static route Gateway of last resort is not set 10.0.0.0 24 is subnetted 1 subnets C 10.1.1.0 is directly connected FastEthernet0 0Record your findings Step 3 Issue the show ip bgp command and record your output below Based on the output and your knowledge of BGP what are some possible causes for routers from other autonomous systems not being able to reach AS 100 What is your plan of action to allow Internet access for the ITA autonomous system Step 4 Implement action plan and issue show ip route show ip bgp and show ip bgp summary. Step 5 Document your work with summary of problem troubleshooting methods and resolution. 2-2 Semester 8 Internetwork Troubleshooting v1.0 - Lab 14.3.3.1 Copyright 2001 Cisco Systems .