Behavior (Cli Procedure) - Juniper JUNOS OS 10.3 - SOFTWARE Manual

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Assigning Multifield Classifiers in Firewall Filters to Specify Packet-Forwarding Behavior
(CLI Procedure)
Forwarding class
best-effort
assured-forwarding
expedited-forwarding
network-control
Copyright © 2010, Juniper Networks, Inc.
Example: Configuring Firewall Filters for Port, VLAN, and Router Traffic on EX Series
Switches on page 3039
Configuring Firewall Filters (CLI Procedure) on page 3063
Configuring Firewall Filters (J-Web Procedure) on page 3069
Verifying That Policers Are Operational on page 3084
Understanding the Use of Policers in Firewall Filters on page 3036
You can configure firewall filters with multifield classifiers to classify packets transiting
a port, VLAN, or Layer 3 interface on an EX Series switch.
You specify multifield classifiers in a firewall filter configuration to set the forwarding
class and packet loss priority (PLP) for incoming or outgoing packets. By default, the
data traffic that is not classified is assigned to the
queue 0.
You can specify any of the following default forwarding classes:
Queue
0
1
5
7
To assign multifield classifiers in firewall filters:
Configure the family name and filter name for the filter at the
1.
level, for example:
[edit firewall]
user@switch# set family ethernet-switching
user@switch# set family ethernet-switching filter ingress-filter
Configure the terms of the filter, including the
2.
modifiers as appropriate. When you specify a forwarding class you must also specify
the packet loss priority. For example, each of the following terms examines different
packet header fields and assigns an appropriate classifier and the packet loss priority:
The term voice-traffic
class
expedited-forwarding
[edit firewall family ethernet-switching filter ingress-filter]
user@switch# set term voice-traffic from vlan-id voice-vlan
user@switch# set term voice-traffic then forwarding-class expedited-forwarding
best-effort
forwarding-class
matches packets on the voice-vlan
and packet loss priority
Chapter 102: Configuring Firewall Filters
class associated with
hierarchy
[edit firewall]
and
loss-priority
and assigns the forwarding
:
low
action
3075