SMC Networks TigerAccess SMC7816M Bedienungsanleitung PDF herunterladen (Seite 618)

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OMMANDS

24-4

permit, deny (Standard IP ACL)

This command adds a rule to a Standard IP ACL. The rule sets a filter

condition for packets emanating from the specified source. Use the no

form to remove a rule.

Syntax

[no] {permit | deny} {any | source bitmask | host source}

• any – Any source IP address.

• source – Source IP address.

• bitmask – Decimal number representing the address bits to match.

• host – Keyword followed by a specific IP address.

Default Setting

None

Command Mode

Standard IP ACL

Command Usage

• New rules are appended to the end of the list.

• Address bitmasks are similar to a subnet mask, containing four

integers from 0 to 255, each separated by a period. The binary mask

uses 1 bits to indicate “match” and 0 bits to indicate “ignore.” The

bitmask is bitwise ANDed with the specified source IP address, and

then compared with the address for each IP packet entering the port(s)

to which this ACL has been assigned.

Example

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.

Related Commands

access-list ip (24-3)

Console(config-std-acl)#permit host 10.1.1.21

Console(config-std-acl)#permit 168.92.16.0 255.255.240.0

Console(config-std-acl)#

1 2 ... 613 614 615 616 617 618 619 620 621 622 623 ... 961 962

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