Configuration Examples Of Router Acls And Vlan Maps Applied To Vlans - Cisco Catalyst 2960 series Configuration Manual

Configuration Examples of Router ACLs and VLAN Maps Applied to VLANs

Switch(config)# vlan access-map SERVER1_MAP 20
Switch(config-access-map)# action forward
Switch(config-access-map)# exit
Apply the VLAN map to VLAN 10.
Switch(config)# vlan filter SERVER1_MAP vlan-list 10
Configuration Examples of Router ACLs and VLAN Maps Applied to VLANs
This section gives examples of applying router ACLs and VLAN maps to a VLAN for switched, bridged,
routed, and multicast packets. Although the following illustrations show packets being forwarded to their
destination, each time the packet's path crosses a line indicating a VLAN map or an ACL, it is also possible
that the packet might be dropped, rather than forwarded.
Example: ACLs and Switched Packets
This example shows how an ACL is applied on packets that are switched within a VLAN. Packets switched
within the VLAN without being routed or forwarded by fallback bridging are only subject to the VLAN map
of the input VLAN.
Figure 82: Applying ACLs on Switched Packets
Example: ACLs and Bridged Packets
This example shows how an ACL is applied on fallback-bridged packets. For bridged packets, only Layer 2
ACLs are applied to the input VLAN. Only non-IP, non-ARP packets can be fallback-bridged.
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