Optical port connection to aggregation layer switch

To enable an optical port on an aggregation switch, you need to configure the interface, ensure the correct optical module is installed, and optionally set up link aggregation or interface splitting depending on your network design.Step 1: Verify Hardware and Optical ModulesEnsure the optical module installed on the switch matches the interface type and wavelength of the remote device. For example, a 40GE interface may require a 40GE QSFP+ optical module, while 10GE interfaces need 10GE SFP+ modules if splitting is used . Check that the TX and RX ends are correctly connected to the corresponding RX and TX ends on the remote device.Step 2: Configure the Optical InterfaceAccess the switch CLI or management interface and enter system view. For Huawei CX320 switches, you can split a high-bandwidth interface into multiple low-bandwidth interfaces using the port split command. For example, to split a 40GE interface into four 10GE interfaces, use:CodeCopysystem-viewport split dimension interface 40GE1/20/1 The converted interfaces will be numbered 40GE1/20/1:1 to 40GE1/20/1:4 and will go online after the switch restarts .Step 3: Enable Link Aggregation (Optional)If you want to aggregate multiple optical ports for higher bandwidth or redundancy, configure LACP or static aggregation:Static Aggregation: Assign the ports to a trunk group and activate it in the switch management interface.LACP Aggregation: Enable LACP on the selected ports and ensure the same LACP interval (default 30 seconds) is configured on both ends . Verify the aggregation status using the switch's status or display commands to ensure all member ports are forwarding traffic.Step 4: Configure TAP or Monitoring (Optional)For TAP aggregation switches, you can redirect traffic from optical ports to monitoring tools. Create a multicast group internally and add the optical interfaces as member ports. Apply ACLs with redirect actions to filter and forward traffic to analysis devices .Step 5: Verify and TestAfter configuration, check the interface status:CodeCopydisplay port aggregate [slot slot-id]display interface brief Ensure the optical port is up, the link is active, and traffic flows correctly. If using split interfaces, confirm that each converted interface is operational and configured for the intended service . By following these steps, the optical port on your aggregation switch will be enabled and ready for use, either as a standalone link, part of a split interface, or aggregated for higher bandwidth.

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Optical port connection to aggregation layer switch