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ROCE配置问题导致测试不生效

2025-12-26 发表

问题描述

ROCE开局配置完成后测试看display packet-drop summary看

interface TwoHundredGigE1/0/1:2

port link-mode bridge

port access vlan 100

priority-flow-control enable

 priority-flow-control no-drop dot1p 4 pause-threshold ratio 5 headroom 750

priority-flow-control deadlock enable

 qos trust dot1p override

qos wfq byte-count

qos wfq ef group 1 byte-count 60

qos wfq cs6 group sp

qos wfq cs7 group sp

qos wred queue 4 drop-level 0 low-limit 1500 high-limit 3000 discard-probability 20

qos wred queue 4 drop-level 1 low-limit 1500 high-limit 3000 discard-probability 20

qos wred queue 4 drop-level 2 low-limit 1500 high-limit 3000 discard-probability 20

qos wred queue 4 ecn

qos wred queue 4 weighting-constant 0

 

qos gts queue 6 cir 100000000 cbs 8000000 

过程分析

抓包看打流测试报文携带的优先级并不是dot1p,而是dscp

解决方法

修改配置qos trust dot1p override为qos trust dscp后恢复