Answer Posted / vikram pratap singh
Standard ACLs check the source address of IP packets that
are routed.
The comparison will result in either permit or deny access
for an entire protocol suite, based on the network, subnet,
and host addresses.
The standard version of the access-list global configuration
command is used to define a standard ACL with a number in
the range of 1 to 99 (also from 1300 to 1999 in recent IOS).
If there is no wildcard mask. the default mask is used,
which is 0.0.0.0.
(This only works with Standard ACLs and is the same thing as
using host.)
The full syntax of the standard ACL command is:
Router(config)#access-list access-list-number {deny |
permit} source [source-wildcard ] [log]
The no form of this command is used to remove a standard
ACL. This is the syntax:
Router(config)#no access-list access-list-number
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