Dell Force10 MXL Blade MXL 10/40GbE Switch IO Module Configuration Guide - Page 85
Configuring Ingress ACLs
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To view the number of packets matching an ACL that is applied to an interface, follow these steps: Step 1 2 3 Task Create an ACL that uses rules with the count option. Refer to Configure a Standard IP ACL Apply the ACL as an inbound or outbound ACL on an interface. Refer to Assign an IP ACL to an Interface View the number of packets matching the ACL using the show ip accounting access-list command 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 ACL, use the ip access-group command in EXEC Privilege mode (Figure 5-13). This example also shows applying the ACL, applying rules to the newly created access group, and viewing the access list. Figure 5-13. Creating an Ingress ACL FTOS(conf)#interface tengig 0/0 FTOS(conf-if-tengig0/0)#ip access-group abcd in FTOS(conf-if-tengig0/0)#show config Use the "in" keyword to specify ingress. ! tengigethernet 0/0 no ip address ip access-group abcd in no shutdown FTOS(conf-if-tengig0/0)#end FTOS#configure terminal FTOS(conf)#ip access-list extended abcd FTOS(conf-ext-nacl)#permit tcp any any Begin applying rules to the ACL named "abcd." FTOS(conf-ext-nacl)#deny icmp any any FTOS(conf-ext-nacl)#permit 1.1.1.2 FTOS(conf-ext-nacl)#end FTOS#show ip accounting access-list View the access-list. ! Extended Ingress IP access list abcd on tengigethernet 0/0 seq 5 permit tcp any any seq 10 deny icmp any any seq 15 permit 1.1.1.2 Access Control Lists (ACLs) | 83
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