hi
thank you for respond
i have dgs-1210-24p
in CLI there isn't this function
config ports [all | <portlist>] mdix [cross | normal | auto]
{clear_description | description <desc 32> | flow_control
[enable | disable] | learning [enable | disable] | state [enable |
disable] | speed [auto | 10G_full | 1000_full | 100_full | 100_half |
10_full | 10_half]}
In the manual
ftp://ftp2.dlink.com/PRODUCTS/DGS-1210-SERIES/REVF/DGS-1210-SERIES_REVF_MANUAL_v6.00_WW_EN.pdf
at page 47 there is port description
in real there isn't this function
The CLI for this switch is very very closed

((