3Com 4500 Switch User Manual


 
1-17
To do… Use the command… Remarks
Enter system view
system-view
Mark the priorities for the
packets belonging to a VLAN
and matching specific ACL
rules
traffic-priority vlan vlan-id { inbound
| outbound } acl-rule { { dscp
dscp-value | ip-precedence
{ pre-value | from-cos } } | cos
{ pre-value | from-ipprec } |
local-precedence pre-value }*
Required
Refer to the command
manual for information
about the acl-rule
argument.
Configuration example
z Ethernet 1/0/1 belongs to VLAN 2 and is connected to the 10.1.1.1/24 network segment.
z Mark the DSCP precedence as 56 for the packets from the 10.1.1.1/24 network segment.
1) Method I
<Sysname> system-view
[Sysname] acl number 2000
[Sysname-acl-basic-2000] rule permit source 10.1.1.0 0.0.0.255
[Sysname-acl-basic-2000] quit
[Sysname] interface Ethernet1/0/1
[Sysname-Ethernet1/0/1] traffic-priority inbound ip-group 2000 dscp 56
2) Method II
<Sysname> system-view
[Sysname] acl number 2000
[Sysname-acl-basic-2000] rule permit source 10.1.1.0 0.0.0.255
[Sysname-acl-basic-2000] quit
[Sysname] traffic-priority vlan 2 inbound ip-group 2000 dscp 56
Configuring Traffic Policing
Refer to section Traffic Policing for information about traffic policing.
Configuration prerequisites
z The ACL rules used for traffic classification have been defined. Refer to the ACL module of this
manual for information about defining ACL rules.
z The rate limit for traffic policing, and the actions for the packets exceeding the rate limit have been
determined.
z The ports that need this configuration have been determined.
Configuration procedure
Follow these steps to configure traffic policing:
To do… Use the command… Remarks
Enter system view
system-view
Enter Ethernet port
view
interface interface-type
interface-number