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首页 > Home > Application Notes > How to Configure Interface Breakout and Aggregate on the CISCO NEXUS 93180YC-EX SwitchHow to Configure Interface Breakout and Aggregate on the CISCO NEXUS 93180YC-EX Switch
Time: 2025-08-07
Previously, we introduced two methods for configuring interface breakout and aggregate on CISCO N3K series switches. In this guide, we will use the actual test on the N9K-C93180YC-EX switch as an example to demonstrate the configuration methods for breakout and aggregate of QSFP interfaces on the CISCO NEXUS 93180YC-EX switch:
1. In the default state of the device interfaces, the QSFP interface is in aggregated mode. When checking the interface, only one independent interface is visible, with a default speed of auto, which can be configured to 40G/100G.
2. In global configuration mode, execute the command interface "breakout module 1 port port_number map breakout_mode", this command breakout the merged QSFP interface. The tested model supports breakouting into 4 × 10G, 4 × 25G, or 2 × 50G logical interfaces, and the command takes effect immediately after execution.
3. After configuring the interface as a breakout interface, checking the interface will show that the originally independent single interface has been breakout into 4 × 10G interfaces.
4. In global configuration mode, execute the command "no interface breakout module 1 port port_number map breakout_mode" to cancel the interface breakout. At this point, the interface aggregates back to the device's default state.
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