3Com Baseline 2928 PWR Plus - Configuring a Rule for an Ethernet Frame Header ACL

1-9
Item Description
Check Established
Select this option to make the rule match packets
used for establishing and maintaining TCP
connections.
These items are available only when you select 6
TCP from the Protocol drop-down box.
Operator
Port
Source
To Port
Operator
Port
TCP/UDP Port
Destination
To Port
Select the operators and type the source port
numbers and destination port numbers as required.
These items are available only when you select 6
TCP or 17 UDP from the Protocol drop-down box.
Different operators have different configuration
requirements for the port number fields:
z Not Check: The following port number fields
cannot be configured.
z Range: The following port number fields must be
configured to define a port range.
z Other values: The first port number field must be
configured and the second must not.
DSCP
Specify the DSCP
priority.
TOS
Specify the ToS
preference.
Precedence
Filter
Precedence
Specify the IP
precedence.
If you specify the ToS
precedence or IP precedence
when you specify the DSCP
precednece, the specified TOS
or IP precedence does not take
effect.
Time Range
Select the time range during which the rule takes
effect.
Available time ranges are those that have been
configured.
Return to
IPv4 ACL configuration task list.
Configuring a Rule for an Ethernet Frame Header ACL
Select QoS > ACL IPv4 from the navigation tree and then select the Link Setup tab to enter the rule
configuration page for an Ethernet frame header IPv4 ACL, as shown in
Figure 1-5.