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Configuring the Switch
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Figure 3-67 Configuring Standard IP ACLs
CLI – This example configures one permit rule for the specific address 10.1.1.21
and another rule for the address range 168.92.16.x – 168.92.31.x using a bitmask.
Configuring an Extended IP ACL
Command Attributes
• Action – An ACL can contain any combination of permit or deny rules.
• Source/Destination Address Type – Specifies the source or destination IP
address. Use “Any” to include all possible addresses, “Host” to specify a specific
host address in the Address field, or “IP” to specify a range of addresses with the
Address and SubMask fields. (Options: Any, Host, IP; Default: Any)
• Source/Destination IP Address – Source or destination IP address.
• Source/Destination Subnet Mask – Subnet mask for source or destination
address.
• Service Type – Packet priority settings based on the following criteria:
- Precedence – IP precedence level. (Range: 0-7)
- TOS – Type of Service level. (Range: 0-15)
- DSCP – DSCP priority level. (Range: 0-63)
• Protocol – Specifies the protocol type to match as TCP, UDP or Others, where
others indicates a specific protocol number (0-255). (Options: TCP, UDP, Others;
Default: TCP)
• Source/Destination Port – Source/destination port number for the specified
protocol type. (Range: 0-65535)
• Source/Destination Port Bitmask – Decimal number representing the port bits to
match. (Range: 0-65535)
Console(config-std-acl)#permit host 10.1.1.21 4-141
Console(config-std-acl)#permit 168.92.16.0 255.255.240.0
Console(config-std-acl)#