Verify connectivity and configurationin dallas router

Assignment Help Computer Networking

Reference no: EM13757641

Task 1-Verify Connectivity and Configurationin Dallas router

1. What CLI command does produce the output below?

2. Complete the table below based on the dynamic routes displayed in the routing table above.

3. Write the CLI command to verify connectivity from the ISP Router to

1. Dallas Server:

2. Dallas Host:

3. Chicago Server:

4. Chicago Host:

Task 2-Deny Upper TCP ports from suspicious hosts to Dallas Server

4. Your task as a network administrator is to configure an ACL in Dallas Router to prevent malicious packets entering Dallas LAN. These packets are from the Attack PC with TCP port numbers greater than 255 can. At the same time, the ACL should allow any other traffic to enter Dallas LAN.

5. Do you use a standard or extended ACL in Dallas router? Why?

6. What is the use of wildcard in ACL command? Provide an example.

7. A few days after configured the ACL in Dallas router, and verified no malicious packets from the Attach PC enters Dallas LAN, the IDS started detecting in the LAN similar malicious packets but coming from other computers in Attack PC's subnet. 200.100.10.0/24. What modification does the ACL need to prevent entering Dallas LAN any TCP packets from any computer in the Attack PC's subnet?

8. Explain what impact this ACL has on security for the Dallas Server?

9. Explain the impact on Dallas Serverbefore the ACL has been applied.

10. List the options available in access-list command to filter a group of port numbers just using one command.

Reference no: EM13757641

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