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Configuring an IP ACL Mask
This mask defines the fields to check in the IP header.
Command Usage
• Masks that include an entry for a Layer 4 protocol source port or destination port
can only be applied to packets with a header length of exactly five bytes.
Command Attributes
• Src/Dst IP – Specifies the source or destination IP address. Use “Any” to match
any address, “Host” to specify a host address (not a subnet), or “IP” to specify a
range of addresses. (Options: Any, Host, IP; Default: Any)
• Src/Dst IP Bitmask – Source or destination address of rule must match this
bitmask. (See the description for SubMask on page 3-62.)
• Protocol Bitmask – Check the protocol field.
• Service Type – Check the rule for the specified priority type.
(Options: Precedence, TOS, DSCP; Default: TOS)
• Src/Dst Port Bitmask – Protocol port of rule must match this bitmask.
(Range: 0-65535)
• Control Bitmask – Control flags of rule must match this bitmask. (Range: 0-63)