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Ya... seems so.

I tried and also cannot get it correct for this item.

Anyone else got this problem?

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For packet coming from the Internet to The Server:

- at the inbound interface (s0/1/0), the destination IP address of the packet is "209.165.200.227". So the ACL should use the public IP address

- at the outbound interface (fa0/0), the destination IP had been translated to "192.168.40.254". So the ACL should use the public IP address

Same goes for packet from The Server to the Intenet

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NAT is a process that happen:
- AFTER the packet enters into the inbound interface

and

- BEFORE the packet exits the outbound interface

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Yup, the answer is correct "clap clap clap"!

The explanation is almost correct

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Q1. Public

Reason: At the S0/1/0, internet does not know the private address of server

Q2. Private

Reason : At fa0/0 interface, private address is known .

Q3. Public

Reason : Private address is already translated

Q4. Duplicate as Q2.

If asking fa0/0 inbound,

Should be private address as address is not yet translated.

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Is there something wrong with the check result ?

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Why do you think this is the answer?

Briefly explain?

Others: what do you think? Agree with the answers?

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[Answer?]

S0/1/0 inbound: Public Fa0/0 inbound: Private S0/1/0 outbound: Public Fa0/0 outbound: Private

Is this correct??

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Refer to the diagram below:

R2 is the NAT router which does static NAT for Company Server

You are required to design ACL to protect the Company server from the Internet.

Questions:

Q1. If you are going to apply the ACL on s0/1/0 inbound, should you use the private or public IP of Company Server in the ACL?

Q2. If you are going to apply the ACL on fa0/0 outbound, should you use the private or public IP of Company Server in the ACL?

Q3. If you are going to apply the ACL on S0/1/0 outbound, should you use the private or public IP of Company Server in the ACL?

Q4. If you are going to apply the ACL on fa0/0 outbound, should you use the private or public IP of Company Server in the ACL?

Post your answer on this Padlet!

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Post your Chap 9, 10 and 11 questions here :)