Users Guide

Version Description
6.5.10 Expanded to include the optional QoS order priority for the ACL entry.
Usage Information
The order option is relevant in the context of the Policy QoS feature only. For more information, see the “Quality
of Service” section of the Dell Networking OS Conguration Guide.
The software cannot count both packets and bytes; when you enter the count byte options, only bytes are
incremented.
Related Commands
• ip access-list extended — create an extended ACL.
•
• permit tcp — assign a permit lter for TCP packets.
• permit udp — assign a permit lter for UDP packets.
permit tcp
To pass TCP packets meeting the lter criteria, congure a lter.
Syntax
permit tcp {source mask | any | host ip-address} [bit] [operator port [port]]
{destination mask | any | host ip-address} [bit] [dscp] [operator port [port]]
[count [byte] [order] [fragments] [monitor ] [no-drop]
To remove this lter, you have two choices:
• Use the no seq sequence-number command if you know the lter’s sequence number.
•
Use the no permit tcp {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 /prex format (/x) or A.B.C.D. The mask, when specied 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 lter.
host ip-address Enter the keyword host then the IP address to specify a host IP address.
bit Enter a ag or combination of bits:
• ack: acknowledgement eld
• fin: nish (no more data from the user)
• psh: push function
• rst: reset the connection
• syn: synchronize sequence numbers
• urg: urgent eld
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
206 Access Control Lists (ACL)