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permit or deny - The ACL rule is created with two options. The protocol to filter for an ACL rule is
specified by giving the protocol to be used like icmp ,igmp ,ip ,tcp, udp. The command specifies a
source ip address and source mask for match condition of the ACL rule specified by the srcip and
srcmask parameters. The source layer 4 port match condition for the ACL rule is specified by the port
key parameter.
<portkey> - uses a single keyword notation and currently has the values of domain, echo, ftp,
ftpdata, http, smtp, snmp, telnet, tftp, and www. Each of these values translates into its equivalent
port number, which is used as both the start and end of a port range. The command specifies a
destination ip address and destination mask for match condition of the ACL rule specified by the dstip
and dstmask parameters. The command specifies the TOS for an ACL rule depending on a match of
precedence or DSCP values using the parameters tos, tosmask, dscp.
Default Setting
None
Command Mode
Global Config
7.22.2.6 no access-list
This command deletes an ACL that is identified by the parameter <accesslistnumber> from the system or
remove an ACL rule that is identified by the parameter <1-28> from the an IP ACL <accesslistnumber>.
Syntax
no access-list {<1-99> | <100-199>} [<rule-id>]
i
The ACL number is an integer from 1 to 199. The range 1 to 99 is for the normal ACL List and
100 to 199 is for the extended ACL List.
Default Setting
None
Command Mode
Global Config
7.22.2.7 ip access-group
This command attaches a specified access-control list to an interface or associates with a VLAN ID in a
given direction. The parameter <name> is the name of the Access Control List.
An optional sequence number may be specified to indicate the order of this IP access list relative to other
IP access lists already assigned to this interface and direction. A lower number indicates higher
precedence order. If a sequence number is already in use for this interface and direction, the specified
access list replaces the currently attached IP access list using that sequence number. If the sequence
number is not specified for this command, a sequence number that is one greater than the highest
sequence number currently in use for this interface and direction is used.