The serial link between R1 and R3 uses PPP with PAP.

The serial link between R2 and R3 uses HDLC encapsulation.

The serial link between R1 and R2 uses Frame Relay.

NAT is configured on R2 and no untranslated addresses are permitted to cross the Internet.

R2 is configured with a default route pointing to the ISP and redistributes the default route.

All routers are configured with OSPF process ID 1 and no routing updates should be sent across interfaces that do not have routers connected.Link aggregation using EtherChannel is configured on S2, S3, and S4.All violations should disable the interface. Port security is configured to only allow PC1 to access S1’s F0/3 interface.

Note: This activity begins with a partial score. Your task is to review the requirements, isolate and resolve any issues, and then document the steps you took to verify the requirements.

This activity uses a variety of technologies you have encountered during your CCNA studies, including routing, port security, EtherChannel, DHCP, NAT, PPP, and Frame Relay. Instructor Note: Red font color or Gray highlights indicate text that appears in the instructor copy only. Packet Tracer – Troubleshooting Enterprise Networks 3 (Instructor Version)

Blank and secure 4.14