Cisco CatOS switches
1. To disable port negotiation:
Console> enable Console>(enable) set port negotiation mod_num/port_num disable
2. To verify port negotiation:
Console.(enable) show port negotiation [mod_num/port_num]
3. To enable port negotiation (should you remove the gigabit Observer product from the switch):
Console>(enable) set port negotiation mod_num/port_num enable