•
The
order
option works across ACL groups that have been applied on an interface
via the QoS policy framework.
•
The
order
option takes precedence over
seq
sequence-number
.
•
If
sequence-number
is not configured, the rules with the same order value are
ordered according to their configuration order.
•
If
sequence-number
is configured, the sequence-number is used as a tie breaker
for rules with the same order.
When you use the
log
option, the CP processor logs details about the packets that match.
Depending on how many packets match the log entry and at what rate, the CP may become
busy as it has to log these packets’ details.
NOTE: When ACL logging and byte counters are configured simultaneously, byte counters
may display an incorrect value. Configure packet counters with logging instead.
Related
Commands
deny
– configures a filter to drop packets.
permit
– configures a filter to forward packets.
Extended IP ACL Commands
When an ACL is created without any rule and then applied to an interface, ACL behavior reflects an implicit permit.
The following commands configure extended IP ACLs, which in addition to the IP address, also examine the packet’s
protocol type.
C-Series and S-Series platforms (except the S4810) support Ingress IP ACLs only.
The S4810 and Z9000 support both Ingress and Egress IP ACLs.
NOTE: Also refer to the
Commands Common to all ACL Types
and
Common IP ACL Commands
sections.
deny
Configure a filter that drops IP packets meeting the filter criteria.
C-Series, E-Series, S-Series, Z-Series, S4810
Syntax
deny {ip |
ip-protocol-number
} {
source mask
| any | host
ip-
address
} {
destination
mask | any | host
ip-address
} [count
[byte] | log] [dscp
value
] [order] [monitor] [fragments]
To remove this filter, you have two choices:
•
Use the
no seq
sequence-number
command if you know the filter’s sequence
number.
•
Use the
no deny {ip |
ip-protocol-number
} {
source mask
| any
| host
ip-address
} {
destination mask
| any | host
ip-
address
}
command.
Parameters
ip
Enter the keyword
ip
to configure a generic IP access list. The
keyword
ip
specifies that the access list denies all IP protocols.
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Summary of Contents for Force10 Z9000
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