Access List - Wildcard or IP Subnet Mask

Answered Question
Jan 8th, 2009
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While defining access-lists how can I know whether Wildcard format or IP Subnet Mask format should be used.


For e.g. to refer it to 192.168.1.x network should the ACL have 0.0.0.255 or 255.255.255.0


I have seen it being used in both ways. But don't know what to use when.

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