AR3260 Fan has big noise problem
1: use an new Fan, the noise is the same, not hardware problem.
2: there isn't command can change the Fan run speed.
the solution is need upgrade the Fan version to 108.
1: upgrade the AR version to AR3200 V200R003C01SPC300
Huawei Versatile Routing Platform Software
VRP (R) software, Version 5.120 (AR3200 V200R003C01SPC300)
Copyright (C) 2011-2013 HUAWEI TECH CO., LTD
Huawei AR3260 Router uptime is 0 week, 3 days, 5 hours, 3 minutes
2: use command to upgrade the Fan version to 108
[RouteD-diagnose]upgrade fan-software startup ?
<cr> Please press ENTER to execute command
1: hardware problem
2: the Fan configure has problem
The AR3260 Fan need upgrade to 108 can reduce the noise