Users Guide

Table Of Contents
node/slot/port — Enter the physical port information.
10g-4x — Split a QSFP28 or QSFP+ port into four 10G interfaces.
25g-4x — Split a QSFP28 port into four 25G interfaces.
40g-1x — Set a QSFP28 port to use with a QSFP+ 40G transceiver.
50g-2x — Split a QSFP28 port into two 50G interfaces.
100g-1x — Reset a QSFP28 port to 100G speed.
To configure an Ethernet breakout interface, use the interface ethernet node/slot/port:subport command in
CONFIGURATION mode.
Each breakout interface operates at the configured speed. Use the no version of the interface breakout command to reset a port
to its default speed: 40G or 100G.
To configure breakout interfaces on a unified port, use the mode {Eth | FC} command in Port-Group Configuration mode.
NOTE: You cannot configure the 40G ports 13, 14, 15, 16, 29, 30, 31, and 32 to split into four 10G interfaces on the S6010
platform.
Configure interface breakout
OS10(config)# interface breakout 1/1/7 map 10g-4x
Display interface breakout
OS10# show interface status
------------------------------------------------------------------
Port Description Status Speed Duplex Mode Vlan Tagged-Vlans
------------------------------------------------------------------
Eth 1/1/1 down 0 auto -
Eth 1/1/2 down 0 auto A 1 -
Eth 1/1/7:1 down 0 auto A 1 -
Eth 1/1/7:2 down 0 auto A 1 -
Eth 1/1/7:3 down 0 auto A 1 -
Eth 1/1/7:4 down 0 auto A 1 -
Eth 1/1/25 down 0 auto A 1 -
Breakout auto-configuration
You can globally enable front-panel Ethernet ports to automatically detect SFP pluggable media in a QSFP+ or QSFP28 port. The port
autoconfigures breakout interfaces for media type and speed. For example, if you plug a 40G direct attach cable (DAC) with 4x10G far-
side transceivers into a QSFP28 port, the port autoconfigures in
10g-4x Interface-breakout mode.
RJ-45 ports and ports that are members of a port group do not support breakout auto-configuration. Breakout auto-configuration is
disabled by default.
Enable breakout auto-configuration
OS10(config)# feature auto-breakout
Display breakout auto-configuration
Before you plug a cable in Ethernet port 1/1/25:
OS10# show interface status
------------------------------------------------------------------
Port Description Status Speed Duplex Mode Vlan Tagged-Vlans
------------------------------------------------------------------
Eth 1/1/1 down 0 auto -
Eth 1/1/2 down 0 auto A 1 -
Eth 1/1/25 down 0 auto A 1 -
Eth 1/1/29 down 0 auto A 1 -
After you enter feature auto-breakout and plug a breakout cable in Ethernet port 1/1/25:
OS10# show interface status
240
Interfaces