Replacing a 3750 with a 9300

[galaga]

Hello,

Is there a guide for converting IOS commands to IOS XE ?

mls qos map cos-dscp 
mls qos srr-queue input bandwidth 90 10
mls qos srr-queue input threshold 1 8 16

Spanning tree best practice ?

[sbhadrav@cisco.com]

Check the below link. Gives you some direction on Stack config on 9300.
https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst9300/software/release/16-6/configuration_guide/b_166_stck_mgr_ha_9300_cg/b_166_stck_mgr_ha_9300_cg_chapter_00.pdf