Reference Guide

746 | IPv6 Access Control Lists (IPv6 ACLs)
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deny udp
c e s
Configure a filter to drop UDP packets meeting the filter criteria.
Syntax
deny udp {source address mask | any | host ipv6-address} [operator port [port]] {destination
address
| any | host ipv6-address} [operator port [port]] [count [byte]] | [log] [monitor]
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 udp {source address mask | any | host ipv6-address} {destination
address
| any | host ipv6-address} command.
Parameters
source address
Enter the IPv6 address of the network or host from which the packets
were sent in the
x:x:x:x::x format followed by the prefix length in the /x
format.
Range: /0 to /128
The
:: notation specifies successive hexadecimal fields of zero.
mask
Enter a network mask in /prefix format (/x).
any
Enter the keyword any to specify that all routes are subject to the filter.
host ipv6-address
Enter the keyword host followed by the IPv6 address of the host in the
x:x:x:x::x format.
The
:: notation specifies successive hexadecimal fields of zero
operator
(OPTIONAL) Enter one of the following logical operand:
•
eq = equal to
•
neq = not equal to
•
gt = greater than
•
lt = less than
•
range = inclusive range of ports
port port (OPTIONAL) Enter the application layer port number. Enter two port
numbers if using the
range logical operand.
Range: 0 to 65535
destination address
Enter the IPv6 address of the network or host to which the packets are
sent in the
x:x:x:x::x format followed by the prefix length in the /x
format.
Range: /0 to /128
The
:: notation specifies successive hexadecimal fields of zero.
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) Enter the keyword log to enter ACL matches in the log.
Supported on Jumbo-enabled line cards only.
monitor
(OPTIONAL) Enter the keyword monitor to monitor traffic on the
monitoring interface specified in the flow-based monitoring session
along with the filter operation.