一台交换机通过网线连接到另外一台交换机上,两台交换机的网口连接指示灯会亮一下就灭了,为什么无法连接,
换成电脑连接那台主交换机是可以连接的
一台A H3C交换机连接外网,开启了POE供电,
另外一台B H3C交换机,B交换机想通过直接连接A交换机,电脑通过B交换机来上网
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最佳答案
看下速率是否是一样的,两端强制下相同的双工速率试试
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我还有台H3C的交换机C,交换机C也是可以连接大网的,B交换机连接C交换机是可以连接上的,另外如果如果两台交换机双工速率不一致会导致两个交换机之前无法连接么
速率不一致,接口都无法up呀,先保证接口是up 的
你好,现在B交换机连接到A上后报这些错误打印,还能从这些打印看出一些问题: %Jan 1 00:40:57:947 2013 H3C IFNET/3/PHY_UPDOWN: Physical state on the interface GigabitEthernet1/0/2 changed to up. %Jan 1 00:40:57:954 2013 H3C IFNET/5/LINK_UPDOWN: Line protocol state on the interface GigabitEthernet1/0/2 changed to up. %Jan 1 00:40:58:427 2013 H3C STP/6/STP_DETECTED_TC: Instance 0's port GigabitEthernet1/0/2 detected a topology change. %Jan 1 00:40:58:453 2013 H3C LLDP/6/LLDP_CREATE_NEIGHBOR: Nearest bridge agent neighbor created on port GigabitEthernet1/0/2 (IfIndex 2), neighbor's chassis ID is 38ad-be12-502c, port ID is GigabitEthernet1/0/23. %Jan 1 00:40:58:481 2013 H3C LLDP/6/LLDP_DELETE_NEIGHBOR: Nearest bridge agent neighbor deleted on port GigabitEthernet1/0/2 (IfIndex 2), neighbor's chassis ID is 38ad-be12-502c, port ID is GigabitEthernet1/0/23. %Jan 1 00:40:58:716 2013 H3C IFNET/3/PHY_UPDOWN: Physical state on the interface GigabitEthernet1/0/2 changed to down. %Jan 1 00:40:58:729 2013 H3C IFNET/5/LINK_UPDOWN: Line protocol state on the interface GigabitEthernet1/0/2 changed to down.
我还有台H3C的交换机C,交换机C也是可以连接大网的,B交换机连接C交换机是可以连接上的,另外如果如果两台交换机双工速率不一致会导致两个交换机之前无法连接么
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你好,现在B交换机连接到A上后报这些错误打印,还能从这些打印看出一些问题: %Jan 1 00:40:57:947 2013 H3C IFNET/3/PHY_UPDOWN: Physical state on the interface GigabitEthernet1/0/2 changed to up. %Jan 1 00:40:57:954 2013 H3C IFNET/5/LINK_UPDOWN: Line protocol state on the interface GigabitEthernet1/0/2 changed to up. %Jan 1 00:40:58:427 2013 H3C STP/6/STP_DETECTED_TC: Instance 0's port GigabitEthernet1/0/2 detected a topology change. %Jan 1 00:40:58:453 2013 H3C LLDP/6/LLDP_CREATE_NEIGHBOR: Nearest bridge agent neighbor created on port GigabitEthernet1/0/2 (IfIndex 2), neighbor's chassis ID is 38ad-be12-502c, port ID is GigabitEthernet1/0/23. %Jan 1 00:40:58:481 2013 H3C LLDP/6/LLDP_DELETE_NEIGHBOR: Nearest bridge agent neighbor deleted on port GigabitEthernet1/0/2 (IfIndex 2), neighbor's chassis ID is 38ad-be12-502c, port ID is GigabitEthernet1/0/23. %Jan 1 00:40:58:716 2013 H3C IFNET/3/PHY_UPDOWN: Physical state on the interface GigabitEthernet1/0/2 changed to down. %Jan 1 00:40:58:729 2013 H3C IFNET/5/LINK_UPDOWN: Line protocol state on the interface GigabitEthernet1/0/2 changed to down.