Dell PowerConnect 6248 Configuration Guide - Page 114

IP ACLs, ACL Configuration Process, Destination L4 Port

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IP ACLs IP ACLs classify for Layers 3 and 4. Each ACL is a set of up to ten rules applied to inbound traffic. Each rule specifies whether the contents of a given field should be used to permit or deny access to the network, and may apply to one or more of the following fields within a packet: • Destination IP with wildcard mask • Destination L4 Port • Every Packet • IP DSCP • IP Precedence • IP TOS • Protocol • Source IP with wildcard mask • Source L4 port • Destination Layer 4 port ACL Configuration Process To configure ACLs, follow these steps: 1 Create an ACL. • Create a MAC ACL by specifying a name. • Create an IP ACL by specifying a number. 2 Add new rules to the ACL. 3 Configure the match criteria for the rules. 4 Apply the ACL to one or more interfaces. 114 Device Security

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114
Device Security
IP ACLs
IP ACLs classify for Layers 3 and 4.
Each ACL is a set of up to ten rules applied to inbound traffic. Each rule specifies whether the contents
of a given field should be used to permit or deny access to the network, and may apply to one or more of
the following fields within a packet:
•
Destination IP with wildcard mask
•
Destination L4 Port
•
Every Packet
•
IP DSCP
•
IP Precedence
•
IP TOS
•
Protocol
•
Source IP with wildcard mask
•
Source L4 port
•
Destination Layer 4 port
ACL Configuration Process
To configure ACLs, follow these steps:
1
Create an ACL.
•
Create a MAC ACL by specifying a name.
•
Create an IP ACL by specifying a number.
2
Add new rules to the ACL.
3
Configure the match criteria for the rules.
4
Apply the ACL to one or more interfaces.