CCNP TSHOOT 300-135 Ticket 047

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Download Lab: GNS3


 Cisco IOSv        (vios-adventerprisek9-m.vmdk.SPA.156-2.T)
 Cisco IOSvL2    (vios_l2-adventerprisek9-m.03.2017.qcow2)
 GNS3 AAA Server Download

Since prerequisite for these labs are Cisco VIRL images, Frame Relay Cloud in original topology from the Cisco will be replaced by IOSvL2 switch and configured appropriately to imitate sub-interfaces for the point-to-point links. Access to the Cloud not available. All interfaces on the Cloud are configured as 802.1q Trunk, permitting VLAN 12,23,34.

Multiple changes were made by network engineers in this topology after all configurations were saved, end users in VLAN 10 and 20 unable to access network resources including the web-server at By using structural troubleshooting approach determine the causes of the problems and then implement the solution to restore connectivity between VLANs and the outside network.


Before you start troubleshooting make sure that Clients obtained IP information from DHCP server or investigate the cause of DHCP failure if it is the part of the problem-solving effort.
Determine the cause of the problem.
Implement a solution to resolve the problem.

Users in both VLAN 10 and 20 have to access the WEB Server at, ping from clients will prove that all issues have been resolved.


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