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Router access list is the list of condition that categorize packet and also filter unwanted packets.
And at 1 interface per direction, per protocol there should be only 1 ACL.
ACL list are of two types
Standard and Extended
In Number standard ACL range is 1-99, 1300-1999.
In Number standard ACL range is 100-199, 2000-2699.
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On a Cisco router when does an inbound access list check packets?
As they arrive at the router
Which type of access list uses the number range 100-199?
Extended IP Access List
What is extended access lists?
Router access list is the list of condition that categorize packet and also filter unwanted packets. And at 1 interface per direction, per protocol there should be only 1 ACL. ACL list are of two types Standard and Extended In Number standard ACL range is 1-99, 1300-1999. In Number standard ACL range is 100-199, 2000-2699.
What command should be added to the end of an access list 150 to allow other data packets to enter and exit the router?
The command access-list permit ip any any must be added to the last line of an access list to allow all other data packets to enter and exit the router.
How do you write an ACL for cisco routers?
Access-lists are used for limiting the traffic say mainly for security purpose. Using access-list you can deny or permit the traffic from source address based on standard access list or deny or permit the traffic by classification of source or destination ip address, or by protocols . these are written in sequential order. So order of statement is very important . We should be clear of what to permit or deny .. sample config Standard access-list Router(config)#access-list 5 <permit> or <deny> <source ip address> Extended access-list Router(config)#access-list 111 <permit> or <deny> <protocol> <source ip address> <destination ip address> After creating access-list it will not be useful without applying on the interface where the traffic runs along the path. these should be applied in inbound direction or outbound direction of the interface as per our requirement. Most importantly when u want make changes , copy to text editor or notepad , do changes on them and remove the access-list config in the router and copy them fresh from the notepad.
When NAT is in use what is used to determine the addresses that can be translated on a Cisco router?
access control list
When NAT is in use, what is used to determine the addresses that can be translated on a Cisco router?
an access-list is used.
Which type of access list would permit or deny part of a protocol suite?
Extended
Which option is a valid configuration line for enabling access list 102 on a vty line?
router(config-line)#access-class 102 in
On a Cisco router an IPX standard access list will have an identifier in the x range?
x -> 800-899
What does an access control list determine when used with NAT on a Cisco router?
addresses that are accessible from the inside network
Using a divide and conquer approach which layer would you begin with if you isolated the problem to an access list on a router?
Network
