Accton Technology ES3552XA Switch User Manual


 
Access Control List Commands
4-105
4
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 (4-103)
permit, deny (Extended ACL)
This command adds a rule to an Extended IP ACL. The rule sets a filter condition for
packets with specific source or destination IP addresses, protocol types, source or
destination protocol ports, or TCP control codes. Use the no form to remove a rule.
Syntax
[no] {permit | deny} [protocol-number | udp]
{any | source address-bitmask | host source}
{any | destination address-bitmask | host destination}
[precedence precedence] [tos tos] [dscp dscp]
[source-port sport [end]] [destination-port dport [end]]
[no] {permit | deny} tcp
{any | source address-bitmask | host source}
{any | destination address-bitmask | host destination}
[precedence precedence] [tos tos] [dscp dscp]
[source-port sport [
end]] [destination-port dport [end]]
[control-flag control-flags flag-bitmask]
protocol-number – A specific protocol number. (Range: 0-255)
source – Source IP address.
destination – Destination IP address.
address-bitmask – Decimal number representing the address bits to match.
host – Keyword followed by a specific IP address.
precedence – IP precedence level. (Range: 0-7)
•tos – Type of Service level. (Range: 0-15)
dscp – DSCP priority level. (Range: 0-63)
sport – Protocol
21
source port number. (Range: 0-65535)
dport – Protocol
1
destination port number. (Range: 0-65535)
end – Upper bound of the protocol port range. (Range: 0-65535)
control-flags – Decimal number (representing a bit string) that specifies flag
bits in byte 14 of the TCP header. (Range: 0-63)
flag-bitmask – Decimal number representing the code bits to match.
(Range: 0-63)
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)#
21. Includes TCP, UDP or other Protocol types.