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After the interface is split, you need to use a breakout cable to connect to the device at the other end. For example, as shown in the following figure, a 40GE interface must use a breakout cable to connect to the device at the other end after being split into 4 x 10GE interfaces. If the connected peer interface is also a split 40GE interface, the interfaces on both ends can be plugged into the same type of 40GE optical module and connected by one optical fiber instead of using a breakout cable.
Figure 1. The breakout cable
Configuring Port Breakout and Port Merge
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admin@XorPlus# set interface gigabit-ethernet xe-1/1/25 breakout true admin@XorPlus# commit Commit OK. Save done. Interface breakout setting has been changed, please reboot the system for changes to take effect! Make sure to delete all the configurations associated with the unavailable interfaces, otherwise loading startup configuration will fail. admin@XorPlus#admin@PICOS> exitrequest admin@XorPlus:~$ sudo systemctl restart picos system reboot admin@Xorplus> configure admin@XorPlus# run show interface brief Interface Management Status Flow Control Duplex Speed Description ---------- ---------- ------ ------------ ------ ------- ------------------------------ ...... xe-1/1/25.1 Enabled Down Disabled Full Auto10Gb/s xe-1/1/25.2 Enabled Down Disabled Full Auto10Gb/s xe-1/1/25.3 Enabled Up Disabled Full 40Gb10Gb/s xe-1/1/25.4 Enabled Up Disabled Full 40Gb10Gb/s ...... |