Example for Configuring Interface-based Rate Limiting

Networking Requirements

As shown in Figure 1, the Switch connects to the router through GE0/0/3. Enterprise departments 1 and 2 are connected to GE0/0/1 and GE0/0/2 of the Switch and access the Internet through the Switch and router.

Services do not need to be differentiated, but bandwidth for departments 1 and 2 needs to be limited. For departments 1, incoming traffic must be allocated guaranteed bandwidth of 8 Mbit/s. For departments 2, incoming traffic must be allocated guaranteed bandwidth of 5 Mbit/s.

Figure 1 Networking of interface-based rate limiting

Configuration Roadmap

The configuration roadmap is as follows:

Configure interfaces of the Switch to enable users to access the Internet.
Configure rate limiting for all incoming traffic on GE0/0/1 and GE0/0/2 of the Switch.

Procedure

Create VLANs and configure interfaces on the Switch.

# Create VLAN 100 and VLAN 200.

<HUAWEI> system-view
[HUAWEI] sysname Switch
[Switch] vlan batch 100 200

# Configure GE0/0/1, GE0/0/2, and GE0/0/3 as trunk interfaces, and configure GE0/0/1 to allow VLAN 100, GE0/0/2 to allow VLAN 200, and GE0/0/3 to allow VLAN 100 and VLAN 200.

[Switch] interface gigabitethernet 0/0/1
[Switch-GigabitEthernet0/0/1] port link-type trunk
[Switch-GigabitEthernet0/0/1] port trunk allow-pass vlan 100
[Switch-GigabitEthernet0/0/1] quit
[Switch] interface gigabitethernet 0/0/2
[Switch-GigabitEthernet0/0/2] port link-type trunk
[Switch-GigabitEthernet0/0/2] port trunk allow-pass vlan 200
[Switch-GigabitEthernet0/0/2] quit
[Switch] interface gigabitethernet 0/0/3
[Switch-GigabitEthernet0/0/3] port link-type trunk
[Switch-GigabitEthernet0/0/3] port trunk allow-pass vlan 100 200
[Switch-GigabitEthernet0/0/3] quit

Configure interface-based rate limiting.

# Set the CIR for incoming traffic on GE0/0/1 to 8192 kbit/s.

[Switch] interface gigabitethernet 0/0/1
[Switch-GigabitEthernet0/0/1] qos lr inbound cir 8192
[Switch-GigabitEthernet0/0/1] quit

# Set the CIR for incoming traffic on GE0/0/2 to 5120 kbit/s.

[Switch] interface gigabitethernet 0/0/2
[Switch-GigabitEthernet0/0/2] qos lr inbound cir 5120
[Switch-GigabitEthernet0/0/2] quit

Verify the configuration.

# View the interface-based rate limiting configuration.

[Switch] display qos lr inbound interface gigabitethernet 0/0/1
 GigabitEthernet0/0/1 lr inbound:
  cir: 8192 Kbps, cbs: 1024000 Byte

[Switch] display qos lr inbound interface gigabitethernet 0/0/2
 GigabitEthernet0/0/2 lr inbound:
  cir: 5120 Kbps, cbs: 640000 Byte

Configuration Files

Switch configuration file

#
sysname Switch
#
vlan batch 100 200
#
interface GigabitEthernet0/0/1
 port link-type trunk
 port trunk allow-pass vlan 100
 qos lr inbound cir 8192 cbs 1024000
#
interface GigabitEthernet0/0/2
 port link-type trunk
 port trunk allow-pass vlan 200
 qos lr inbound cir 5120 cbs 640000
#
interface GigabitEthernet0/0/3
 port link-type trunk
 port trunk allow-pass vlan 100 200
#
return

Relevant Information

Video

Configure Interface-based Rate Limiting