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Which IP address and wildcard mask would you use in your
ACL to block all the
hosts in the subnet 192.168.16.43/28?

Answers were Sorted based on User's Feedback



Which IP address and wildcard mask would you use in your ACL to block all the hosts in the subnet..

Answer / sathish

given ip is 192.168.16.43/28
scince it is class c ip address and subnating is done with 4 bit
thus
128+64+32+16=240
block size
256-240=16
0 16 32
-- -- --
-- -- -- (and so on)
15 31 47

Wildcard is always one number less than the block size.In the above instance the block size is 16,the wildcard would be 15.so wild card used for block all the ip address in the ACL is

192.168.16.32 0.0.0.15

Is This Answer Correct ?    52 Yes 3 No

Which IP address and wildcard mask would you use in your ACL to block all the hosts in the subnet..

Answer / jitendera kumar sinha

given ip is 192.168.16.43/28
scince it is class c ip address and subnating is done with 4 bit
thus
128+64+32+16=240
block size
256-240=16
0 16 32
-- -- --
-- -- -- (and so on)
15 31 47
so wild card used for block all the ip address in the acl
is
192.168.16.32 0.0.0.14

Is This Answer Correct ?    7 Yes 27 No

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