3Com Switch 8800 Advanced Software V5 Configuration Guide

Configuring QoS Policy 845
n
■ If a QoS policy is applied on the outbound direction of an interface, the QoS
policy is not valid on a local packet (The following are the definition and
functions of a local packet: some internal packets are the important protocol
packets to maintain the normal operation of a device. Therefore, to ensure
these packets to be sent successfully, they are defined as local packets, which
QoS does not process, thus reducing the risk of discarding these packets
because of the configuration of QoS. Commonly used local packets are: link
maintenance packet, ISIS, OSPF, RIP, BGP, LDP, RSVP and SSH.)
■ QoS policies cannot be applied to ports with even port numbers on 3C17526
modules, and QoS policies applied to a port with an odd port number take
effect on the incoming packets of both the port with the odd port number and
the port with the even port number (the odd port number plus one).
Configuration example
1 Network requirements
Configure a policy test and in the policy specify the traffic behavior for the data
belonging to the class test_class as test_behavior, and then apply the policy to
the inbound interface Ethernet1/1/1.
2 Configuration procedure
# Enter system view.
<Sysname> system-view
# Define a policy and enter policy view,
Enter
interface
view or
port group
view
Enter
interface
view
interface interface-type
interface-number
Use either the command
Configured in Ethernet interface
view, the setting is effective on
the current interface only;
configured in port group view,
the setting is effective on all the
ports in the port group.
Enter port
group view
port-group { manual
port-group-name | aggregation
agg-id }
Apply a policy on the
interface
qos apply policy policy-name {
inbound | outbound [
dynamic ] }
Required
Display the policy
configuration
information and
operating condition of
the specified interface or
all the interfaces
display qos policy interface [
interface-type interface-number
] [ inbound | outbound ]
Optional
Available in any view
Display configuration
information of the
specified class (or all the
classes) of the specified
policy (or all the policies)
and configuration
information of behaviors
associated with these
classes
display qos policy
user-defined [ policy-name [
classifier tcl-name ] ]
To do... Use the command... Remarks