Reference Guide

204 | Access Control Lists (ACL)
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• seq
deny
c e s
Configure a filter that drops IP packets meeting the filter criteria.
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 syntax if you know the filter’s
sequence number or
• Use the
no deny {ip | ip-protocol-number} {source mask | any | host ip-address}
{
destination mask | any | host ip-address} command.
Parameters
Note: Refer also to Commands Common to all ACL Types and Common IP ACL
Commands.
ip
Enter the keyword ip to configure a generic IP access list. The keyword
ip specifies that the access list will deny all IP protocols.
ip-protocol-number
Enter a number from 0 to 255 to deny based on the protocol identified
in the IP protocol header.
source
Enter the IP address of the network or host from which the packets were
sent.
mask
Enter a network mask in /prefix format (/x) or A.B.C.D. The mask,
when specified in A.B.C.D format, may be either contiguous or
non-contiguous.
any
Enter the keyword any to specify that all routes are subject to the filter.
host ip-address
Enter the keyword host followed by the IP address to specify a host IP
address.
destination
Enter the IP address of the network or host to which the packets are
sent.
count
(OPTIONAL) Enter the keyword count to count packets processed by
the filter.
byte
(OPTIONAL) Enter the keyword byte to count bytes processed by the
filter.
log
(OPTIONAL, E-Series only) Enter the keyword log to enter ACL
matches in the log.
dscp
(OPTIONAL) Enter the keyword dcsp to match to the IP DCSCP
values.