QoS Interface Settings
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QoS Interface Settings
Enable QoS on an interface to set bandwidth limits for
the interface and/or to enable the interface to enforce QoS for
egress traffic. Enabling a QoS interface includes attaching a QoS
profile to the interface. QoS is supported on physical interfaces
and, depending on firewall model, QoS is also supported on subinterfaces and
Aggregate Ethernet (AE) interfaces. See the Palo Alto Networks product comparison tool to
view QoS feature support for your firewall model.
To get started, Add or modify a QoS Interface,
and then configure settings as described in the following table.
QoS Interface Settings | Configured In | Description |
---|---|---|
Interface Name | QoS InterfacePhysical Interface | Select the firewall interface on which to
enable QoS. |
Egress Max (Mbps) |
Enter the maximum throughput (in Mbps) for traffic leaving the
firewall through this interface. The value is 0 by
default.
When the value is set to 0,
Though this is not a required field, we recommend always defining
the Egress Max for a QoS interface. | |
Turn on QoS feature on this interface | Select to enable QoS on the selected interface. | |
Clear Text Tunnel Interface | QoS InterfacePhysical InterfaceDefault Profile | Select the default QoS profiles
for clear text and for tunneled traffic. You must specify a default
profile for each. For clear text traffic, the default profile applies
to all clear text traffic as an aggregate. For tunneled traffic,
the default profile is applied individually to each tunnel that
does not have a specific profile assignment in the detailed configuration
section. For instructions on defining QoS profiles, refer to Network
> Network Profiles > QoS. |
Tunnel Interface | ||
Egress Guaranteed (Mbps) | QoS InterfaceClear Text Traffic/ Tunneled Traffic | Enter the bandwidth that is guaranteed for
clear text or tunneled traffic from this interface. |
Egress Max (Mbps) |
Enter the maximum throughput (in Mbps) for clear text or tunneled
traffic leaving the firewall through this interface. The value is 0
by
default.
When the value is set to 0,
The Egress Max for clear
text or tunneled traffic must be less than or equal to the
Egress Max for the physical
interface.
| |
Add |
For
example, assume a configuration with two sites, one of which has
a 45 Mbps connection and the other a T1 connection to the firewall.
You can apply restrictive QoS settings to the T1 site so that the
connection is not overloaded while also allowing more flexible settings
for the site with the 45 Mbps connection. To remove a clear
text or tunneled traffic entry, clear the entry and click Delete. If
the clear text or tunneled traffic sections are left blank, the
values specified in the Physical Interface tab’s Default Profile
section are used. |