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QOS之WRED典型组网配置案例

2020-02-20 发表

组网及说明


组网说明:

本案例采用H3C HCL模拟器来模拟WRED典型组网。R1GI 0/1端口连接服务器。其中172.16.10.2IP电话。要求在拥塞发生时,172.16.10.3172.16.10.2要有不同的丢弃行为,从而保证语音流能有更好的服务。


配置步骤

1、要将语音报文标记为IP Prencedence 5,数据流为IP Prencedence 0.

2、采用CAR的重标记方式对报文进行分类,将来自IP电话和数据报文的优先级分别设置为50,在做CAR时,CIR的值全部保持一致,确保所匹配的报文都能全部被重标记

3、启用WFQ功能,与WRED同时使用

配置关键点

第一阶段调试(基础网络配置):

SW1

 

<H3C>sys

System View: return to User View with Ctrl+Z.

[H3C]sysname SW1

[SW1]vlan 10

[SW1-vlan10]quit

[SW1]int gi 1/0/1

[SW1-GigabitEthernet1/0/1]port link-type trunk

[SW1-GigabitEthernet1/0/1]undo port trunk permit vlan 1

[SW1-GigabitEthernet1/0/1]port trunk permit vlan 10

[SW1-GigabitEthernet1/0/1]quit

[SW1]int range gi 1/0/2 to gi 1/0/3

[SW1-if-range]port link-type access

[SW1-if-range]port access vlan 10

[SW1-if-range]quit

[SW1]

 

R1

<H3C>sys

System View: return to User View with Ctrl+Z.

[H3C]sysname R1

[R1]vlan 10

[R1-vlan10]quit

[R1]int vlan 10

[R1-Vlan-interface10]ip address 172.16.10.1 24

[R1-Vlan-interface10]quit

[R1]int gi 0/0

[R1-GigabitEthernet0/0]port link-mode bridge

[R1-GigabitEthernet0/0]port link-type trunk

[R1-GigabitEthernet0/0]undo port trunk permit vlan 1

[R1-GigabitEthernet0/0]port trunk permit vlan 10

[R1-GigabitEthernet0/0]quit

[R1]int gi 0/1

[R1-GigabitEthernet0/1]ip address 192.168.1.1 24

[R1-GigabitEthernet0/1]quit

 

第二阶段调试(WRED+WFQ关键配置):

R1


[R1]acl basic 2000

[R1-acl-ipv4-basic-2000]rule 0 permit source 172.16.10.2 0

[R1-acl-ipv4-basic-2000]quit

[R1]acl basic 2001

[R1-acl-ipv4-basic-2001]rule 0 permit source 172.16.10.3 0

[R1-acl-ipv4-basic-2001]quit

 

[R1]int gi 0/0

[R1-GigabitEthernet0/0]qos car inbound acl 2000 cir 100000 green remark-prec-pass 5 red pass

[R1-GigabitEthernet0/0]qos car inbound acl 2001 cir 100000 green remark-prec-pass 0 red pass

[R1-GigabitEthernet0/0]quit

 

 

[R1]int gi 0/1

[R1-GigabitEthernet0/1]qos wfq

[R1-GigabitEthernet0/1]qos wred enable

[R1-GigabitEthernet0/1]qos wred ip-precedence 5 low-limit 10 high-limit 250 discard-probability 10

[R1-GigabitEthernet0/1]qos wred ip-precedence 0 low-limit 10 high-limit 180 discard-probability 11

[R1-GigabitEthernet0/1]quit

 

查看QOS的显示信息:








至此,QOSWRED典型组网配置案例已完成!