问题描述
1.NE08E-S6 V200R006C20SPC600 流量标记的IP Precedence或dcsp值进不队列
QOS配置如下:
traffic classifier video operator or
if-match acl 2044
traffic classifier operation operator or
if-match acl 2021
traffic classifier netmanager operator or
if-match acl name netmanager
#
traffic behavior video
remark ip-precedence 5
traffic behavior operation
remark ip-precedence 4
traffic behavior netmanager
remark ip-precedence 2
#
traffic policy baozhang
statistics enable
classifier video behavior video
classifier operation behavior operation
classifier netmanager behavior netmanager
#
diffserv domain default
#
flow-queue QOS_50M
queue af2 wfq weight 1
queue af4 wfq weight 3
queue ef pq shaping 10000
#
qos-profile QOS_50M
user-queue cir 50000 pir 50000 flow-queue QOS_50M
interface GigabitEthernet0/1/0
description Connect-to-COR_CS01:G2/0/1
undo shutdown
ip address 21.50.16.2 255.255.255.248
vrrp vrid 1 virtual-ip 21.50.16.1
vrrp vrid 1 priority 110
ospf cost 5000
ospf network-type p2p
undo dcn
traffic-policy baozhang inbound
interface GigabitEthernet0/1/7.78
vlan-type dot1q 78
description sh-liantong-mstp
ip address 21.48.254.125 255.255.255.252
ospf network-type p2p
qos-profile QOS_50M outbound
处理过程
1.首先traffic policy baozhang下配置statistics enable,然后display traffic policy statistics interface GigabitEthernet 0/1/0 in或者display traffic policy statistics interface GigabitEthernet 0/1/1 in 看看是否有报文命中。发现有命中报文,display qos-profile statistics interface GigabitEthernet0/1/7.2 outbound看是否有相应队列的报文统计。发现无pass报文。
![5f06be299dea496eb37749f973b5ff01]()
根因
1.将入方向流量remark为ip-precedence或dcsp值都无法进入队列,配置检查没问题,因为这个配置配置ne20 或者ne40上面对应的值就可以进入队列。
解决方案
1.怀疑在设备入方向remark dscp 值无法映射到设备内部的服务等级,导致无法进入队列。
2.入方向映射remark dscp值的同时,在做一个service-class 给流量一个内部的服务等级,这样才能实在流量入列。
建议与总结
1.NE08E设备比较特殊他的remark的值和内部服务等级这两个功能是分开的,和ne20e、ne40e,有区别,ne20e、ne40e、可以直接remark后映射到内部服务等级。