S12508G-AF請問交換機端口鏈路檢測命令是啥？

請問交換機端口鏈路檢測命令是啥？例如光功率、BFD、端口鏈路狀態是否正常的命令。weibo.com/ttarticle/p/show?id=2309405159293992435782weibo.com/ttarticle/p/show?id=2309405159294042505296weibo.com/ttarticle/p/show?id=2309405159294097031198weibo.com/ttarticle/p/show?id=2309405159294147362836weibo.com/ttarticle/p/show?id=2309405159294193762508weibo.com/ttarticle/p/show?id=2309405159294244094043weibo.com/ttarticle/p/show?id=2309405159294294425740weibo.com/ttarticle/p/show?id=2309405159294344495146weibo.com/ttarticle/p/show?id=2309405159294394826935weibo.com/ttarticle/p/show?id=2309405159294445420760weibo.com/ttarticle/p/show?id=2309405159294495752347weibo.com/ttarticle/p/show?id=2309405159294546083951weibo.com/ttarticle/p/show?id=2309405159294596415638weibo.com/ttarticle/p/show?id=2309405159294646485167weibo.com/ttarticle/p/show?id=2309405159294697078892weibo.com/ttarticle/p/show?id=2309405159294747410532weibo.com/ttarticle/p/show?id=2309405159294797479946weibo.com/ttarticle/p/show?id=2309405159294848073750