
Configuring IP Inbound Traffic Filters Using the BCC
308645-14.00 Rev 00
8-15
Specifying the Type of Service (ToS) As Match Criteria
You can discriminate higher priority traffic from lower priority traffic by
specifying the type of service as the matching criteria for the traffic filter.
To specify the type of service portion of the IP header, enter the following
command at the match prompt (for example,
box;
ip; filter-template/template1;
match)
and enter:
tos
{
<list_of_values>
}
list_of_values
is a space-delimited list. It can be any number of values from 0
through 65,535. It can also specify ranges of values. Use a dash instead of a space
to indicate a range.
Example
In this example, the router matches packets whose ToS bit is set to 1.
match/template/template1#
tos 1
match/template/template1#
Specifying TCP-Established Match Criteria
By default, the router does not filter packets on the ACK and RESET bits in the
TCP header. To allow the router to filter packets with the ACK and RESET bits,
go to the match prompt (for example,
box; ip; filter-template/template1; match)
and enter the following command:
tcp-established {on
|
off}
Example
In this example, the router filters packets with the ACK and RESET bits in the
TCP header turned on.
match/template/template1#
tcp-established on
match/template/template1#
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