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RB2011 gigabit ethernet bridge only working at 10 Mbps

Wed Dec 12, 2012 8:38 am

Hi all,

I have two of RB2011UAS-2HnD-IN gigabit ethernet port bridged.
But later my laptop which connected to the bridged port, only get 10 Mbps link speed with auto-negotiation.
Did anybody experiencing the same issue with me?

FYI, I have been updating the RouterOS into 5.22 from 5.21 since I think it an OS issue, but nothing changed.
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Re: RB2011 gigabit ethernet bridge only working at 10 Mbps

Thu Dec 13, 2012 11:52 am

its works when you set it manually to 1GBps on both ends ?
also stupid-looking/sounding guess about cable[but can be too, btw]:
cable degradation[but over NOTABLE time]quite usual/eventual, ie plastic-made insulator - relatively short-living thing.
check with different cable[new, shortest as possible. for test - buy STP Cat6A short cable[dubbed "patch-cord" in price-lists].
another stupid question:
did you put it into one of first five ports ? [not 100Mbps on second switch]
auto-negotiation on interface is turned-on, for sure ?
ie "auto-negotiation"
from page
set to "yes" ?
same - about "full-duplex".[generally not need to set it otherwise]

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