Even though the command syntax is the same on the Catalyst 2960 switch and on the Catalyst 2950 switch, the semantics of the IP and the MAC ACL between the two platforms differ. For example, you can apply MAC ACLs for IP packets on the Catalyst 2950 switch, but on the Catalyst 2960 switch:
?You cannot apply MAC ACLs to IP packets.
?You cannot apply any ACLs for IPv6 frames.
?With MAC ACLs, an Ethertype of Appletalk is not supported.
There might be some config problem can u post ur configuration
Note the following passage in the Command reference:
On Layer 2 interfaces, you can filter IP traffic by using IP access lists and non-IP traffic by using MAC access lists. You can filter both IP and non-IP traffic on the same Layer 2 interface by applying both an IP ACL and a MAC ACL to the interface.
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