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T4240 sgmii ports to GbE switch

Question asked by Mark Xu on Jun 20, 2016
Latest reply on Jun 23, 2016 by bpe


hi,

     we connect t4240's rgmii port (EC1) to a GbE PHY, it works properly, and we connect t4240's two sgmii ports (sg2.1,sg2.2 on serdes2) to a GbE switch,we can not access the cpu from RJ45_1 or RJ45_2, but the GbE switch seems works properly,because  we can communicate from RJ45_1 to RJ45_2 directly.

 

 

     we want to know how to config the sgmii ports?

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