Dell PowerSwitch S4112F-ON OS10 Enterprise Edition User Guide Release 10.4.1.0 - Page 597
L2 and L3 ACLs, Assign and apply ACL filters, filters
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Assign sequence number to filter OS10(config)# ip access-list acl1 OS10(conf-ipv4-acl)# seq 5 deny tcp any any capture session 1 count View ACLs and packets processed through ACL OS10# show ip access-lists in Ingress IP access-list acl1 Active on interfaces : ethernet1/1/5 seq 5 permit ip any any count (10000 packets) L2 and L3 ACLs Configure both L2 and L3 ACLs on an interface in L2 mode. Rules apply if you use both L2 and L3 ACLs on an interface. • L3 ACL filters packets and then the L2 ACL filters packets • Egress L3 ACL filters packets Rules apply in order: • Ingress L3 ACL • Ingress L2 ACL • Egress L3 ACL • Egress L2 ACL NOTE: In ingress ACLs, L2 has higher priority than L3 and in egress ACLs, L3 has higher priority than L2. Table 33. L2 and L3 targeted traffic L2 ACL / L3 ACL Deny / Deny Deny / Permit Permit / Deny Permit / Permit Targeted traffic L3 ACL denies L3 ACL permits L3 ACL denies L3 ACL permits Assign and apply ACL filters To filter an Ethernet interface, a port-channel interface, or a VLAN, assign an IP ACL filter to a physical interface. The IP ACL applies to all traffic entering a physical or port-channel interface. The traffic either forwards or drops depending on the criteria and actions you configure in the ACL filter. To change the ACL filter functionality, apply the same ACL filters to different interfaces. For example, take ACL "ABCD" and apply it using the in keyword and it becomes an ingress ACL. If you apply the same ACL filter using the out keyword, it becomes an egress ACL. You can apply an IP ACL filter to a physical or port-channel interface. The number of ACL filters allowed is hardware-dependent. 1 Enter the interface information in CONFIGURATION mode. interface ethernet node/slot/port 2 Configure an IP address for the interface, placing it in L3 mode in INTERFACE mode. ip address ip-address 3 Apply an IP ACL filter to traffic entering or exiting an interface in INTERFACE mode. ip access-group access-list-name {in | out} Access Control Lists 597
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