Dell MX9116n EMC SmartFabric OS10 User Guide Release 10.5.1 - Page 271

To disable negotiation, use the following command: negotiation off To reset the negotiation mode to the default setting of the media you use, use one of the following commands: negotiation auto no negotiation The following examples show that the nondefault configuration is added to the running configuration: OS10(conf-if-eth1/1/50)# negotiation off OS10(conf-if-eth1/1/50)# show configuration ! interface ethernet1/1/50 no shutdown switchport access vlan 1 negotiation off flowcontrol receive on OS10(conf-if-eth1/1/50)# negotiation on OS10(conf-if-eth1/1/50)# show configuration ! interface ethernet1/1/50 no shutdown switchport access vlan 1 negotiation on flowcontrol receive on The following examples show that the default configuration is not added to the running configuration: OS10(conf-if-eth1/1/50)# negotiation auto OS10(conf-if-eth1/1/50)# show configuration ! interface ethernet1/1/50 no shutdown switchport access vlan 1 flowcontrol receive on The following example shows that the no negotiation command resets the interface to the default setting of the media used. OS10(conf-if-eth1/1/50)# no negotiation OS10(conf-if-eth1/1/50)# show configuration ! interface ethernet1/1/50 no shutdown switchport access vlan 1 flowcontrol receive on OS10(conf-if-eth1/1/50)# do show interface ethernet 1/1/50 Ethernet 1/1/50 is up, line protocol is up Hardware is Eth, address is e4:f0:04:3e:2d:86 Current address is e4:f0:04:3e:2d:86 Pluggable media present, QSFP28 type is QSFP28 100GBASE-CR4-2.0M Wavelength is 64 Receive power reading is not available Interface index is 112 Internet address is not set Mode of IPv4 Address Assignment: not set Interface IPv6 oper status: Disabled MTU 1532 bytes, IP MTU 1500 bytes LineSpeed 100G, Auto-Negotiation on Configuration notes 1G auto negotiation is not supported on platforms such as Z9100, Z9264F, S52xx, Z9332F, S41xx, MX series, and S42xx that supports native 100G (QSFP28) ports. Interfaces 271