ICND 2 ACL's
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What are the standard and extanded ACL numbers.
- -Standard : 1-99
- -Extended :100-199
What are the ACL expanded numbers?
- -Standard expanded: 1300-1999
- -Extended expanded: 2000-2699
What does it mean when you send a ping and you get a message "Destination unreachable (U.U.U.)"?
This means that it was blocked by an ACL.
What does a standard ACL use to filter traffic?
Standard ACLs us the source address only to filter traffic.
What does an extended ACL use to filter traffic ?
Extended ACLs use the source and destination address along with the specific protocol, port number, and other parameters.
Where should you place more specific tests in an ACL?
They should be placed at the top of an ACL.
Where should you place an extended ACL?
Extended ACLs should be placed as close to the source address as possible.
Where should you place a standard ACL?
Standard ACLs should be placed as close to the destination as possible.
In the access list access-list 101 permit ip 22.214.171.124 0.0.0.0 192.168.1.0 0.0.0.255 eq http.
what is 126.96.36.199?
It is the source address of the ip packet.
What is a dynamic ACL?
A dynamic ACL requires you to log in with telnet or TACACS+ for authentication before it will allow you to pass through the ACL.
What is a Reflexive ACL?
A Reflexive ACL is used for filter traffic from the outside network by whether it is originating from the outside network or if it is responding to a request from the inside network.
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