[FS#3839] Xiaomi 4A Gigabit link speed auto negotiation
openwrt-bugs at lists.openwrt.org
Sun May 30 13:59:31 PDT 2021
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A new Flyspray task has been opened. Details are below.
User who did this - Elmer Miroslav Mosher Golovin (mishamosher)
Attached to Project - OpenWrt/LEDE Project
Summary - Xiaomi 4A Gigabit link speed auto negotiation
Task Type - Bug Report
Category - Base system
Status - Unconfirmed
Assigned To -
Operating System - All
Severity - High
Priority - Very Low
Reported Version - openwrt-21.02
Due in Version - Undecided
Due Date - Undecided
Details - - Device problem occurs on
Xiaomi Mi Router 4A Gigabit Edition
- Software versions of OpenWrt/LEDE release, packages, etc.
The link speed auto-negotiation is broken. I've a 1Gbps switch and a 4-lines ethernet cable (pins 1 2 3 6). It should be possible to achieve a max speed of 100Mbps full duplex. When I connect the switch to the WAN port of the router, the link speed shows up as 1Gbps full duplex (in the router).
Ethernet connectivity remains non-functional unless I set a proper speed and duplex (ex. ethtool -s wan speed 100 duplex full autoneg off).
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