Dell Networking S4810, Справочное руководство

Страница: 239 / 1761

Example
An ACL rule with a TCP port lt 1023 uses only one entry in the CAM.
Rule# Data Mask From To #Covered
1 0000000000000000 1111110000000000 0 1023 1024
Total Ports: 1024
Related
Commands
ip access-list extended — creates an extended ACL.
permit — assigns a permit filter for IP packets.
permit udp — assigns a permit filter for UDP packets.
permit udp
To pass UDP packets meeting the filter criteria, configure a filter.
S4810
Syntax
permit udp { source mask | any | host ip-address } [ operator port
[ port ]] { destination mask | any | host ip-address } [dscp]
[ operator port [ port ]] [count [byte] | log] [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 permit udp { source mask | any | host ip-address }
{ destination mask | any | host ip-address
command.
Parameters
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
and then enter the IP address to
specify a host IP address.
dscp Enter the keyword
dscp
to deny a packet based on the
DSCP value. The range is from 0 to 63.
operator (OPTIONAL) Enter one of the following logical operand:
•
eq
= equal to
•
neq
= not equal to
•
gt
= greater than
Access Control Lists (ACL)
239