Cisco CATALYST 2960 - Understanding Switch Clusters; A switch cluster is a set of up to 16 connected, cluster-capable Catalyst switches that are managed as a single entity. The switches in the cluster use the switch clustering technology so that you can configure and troubleshoot a group of different Catalyst desktop switch platforms through a single IP address.; In a switch cluster, 1 switch must be the cluster command switch and up to 15 other switches can be cluster member switches. The total number of switches in a cluster cannot exceed 16 switches. The cluster command switch is the single point of access used to configure, manage, and monitor the cluster member switches. Cluster members can belong to only one cluster at a time.; Management of Catalyst switches regardless of their interconnection media and their physical locations. The switches can be in the same location, or they can be distributed across a Layer 2 or Layer 3 (if your cluster is using a Catalyst 3550, Catalyst 3560, or Catalyst 3750 switch as a Layer 3 router between the Layer 2 switches in the cluster) network.

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Catalyst 2960 Switch Command Reference
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Chapter 2 Catalyst 2960 Switch Cisco IOS Commands
mac access-group
You can verify your settings by entering the show mac access-group privileged EXEC command. You
can see configured ACLs on the switch by entering the show access-lists privileged EXEC command.
Related Commands Command Description
show access-lists Displays the ACLs configured on the switch.
show mac access-group Displays the MAC ACLs configured on the switch.
show running-config Displays the running configuration on the switch. For syntax
information, select Cisco IOS Configuration Fundamentals Command
Reference, Release 12.2 > File Management Commands >
Configuration File Management Commands.