Users Guide

Table Of Contents
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