Dell Force10 S55T S55 Configuration Guide FTOS 8.3.5.3 - Page 114
Counting ACL Hits, Configuring Ingress ACLs
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www.dell.com | support.dell.com Counting ACL Hits You can view the number of packets matching the ACL by using the count option when creating ACL entries. E-Series supports packet and byte counts simultaneously. C-Series and S-Series support only one at any given time. To view the number of packets matching an ACL that is applied to an interface: Step 1 2 3 Task Create an ACL that uses rules with the count option. See Configure a standard IP ACL on page 106 Apply the ACL as an inbound or outbound ACL on an interface. See Assign an IP ACL to an Interface on page 112 View the number of packets matching the ACL using the show ip accounting access-list from EXEC Privilege mode. Configuring Ingress ACLs Ingress ACLs are applied to interfaces and to traffic entering the system.These system-wide ACLs eliminate the need to apply ACLs onto each interface and achieves the same results. By localizing target traffic, it is a simpler implementation. To create an ingress ACLs, use the ip access-group command (Figure 233) in the EXEC Privilege mode. This example also shows applying the ACL, applying rules to the newly created access group, and viewing the access list: Figure 7-10. Creating an Ingress ACL Force10(conf)#interface gige 0/0 Force10(conf-if-gige0/0)#ip access-group abcd in Force10(conf-if-gige0/0)#show config ! gigethernet 0/0 no ip address ip access-group abcd in no shutdown Force10(conf-if-gige0/0)#end Force10#configure terminal Force10(conf)#ip access-list extended abcd Force10(config-ext-nacl)#permit tcp any any Force10(config-ext-nacl)#deny icmp any any Force10(config-ext-nacl)#permit 1.1.1.2 Force10(config-ext-nacl)#end Force10#show ip accounting access-list ! Extended Ingress IP access list abcd on gigethernet 0/0 seq 5 permit tcp any any seq 10 deny icmp any any seq 15 permit 1.1.1.2 Use the "in" keyword to specify ingress. Begin applying rules to the ACL named "abcd." View the access-list. 114 | Access Control Lists (ACL), Prefix Lists, and Route-maps
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