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S12700 V200R013C00 Configuration Guide - Interface Management

This document describes the interface management configuration, including basic interface configuration, Ethernet interface configuration, and logical interface configuration.
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Configuring Interface Split and Merge

Configuring Interface Split and Merge

Context

100GE optical interfaces and some 40GE optical interfaces can be used as independent interfaces or each can be split into multiple independent interfaces. A 40GE interface can be split into four 10GE interfaces. A 100GE interface can be split into ten 10GE interfaces, two 40GE interfaces or four 10GE interfaces. With the interface split function, interfaces on a card can connect to various types of interfaces on the remote device.

After an interface is split, the original interface does not work. The new 10GE or 40GE optical interfaces support the same configurations and features as common optical interfaces, except that they are numbered in a different way.

NOTE:

On the S12700, only the EE series, ET1D2L08QSC0, EH1D2L08QX2E, ET1D2C04HX2E, ET1D2C04HX2H, ET1D2C04HX2S, ET1D2L16QX2H, ET1D2H02QX2E, ET1D2H02QX2S, ET1D2C08HX2H, and ET1D2L02QSC cards support interface split and merge. A 100GE interface on the ET1D2C04HX2E, ET1D2C04HX2H, ET1D2C04HX2S, ET1D2H02QX2E, ET1D2C08HX2H or ET1D2H02QX2S card only can be split into four 10GE interfaces. A 100GE interface on the EE series cards can be split into ten 10GE interfaces or two 40GE interfaces.

For details about the numbering rule, see Interface Numbering Rules. Table 2-4 lists connection modes for split 40GE interfaces.
Table 2-4  Connection modes for splitting 40GE interfaces

Connection Mode

Description

Configuration Reference

1-to-4 high-speed cable (or copper cable)

The cable provides fixed optical modules that can be directly installed on optical interfaces, lowering costs. The cable length is fixed and the maximum length is 5 m.

1-to-4 high-speed cable models: QSFP-4SFP10G-CU1M, QSFP-4SFP10G-CU3M, and QSFP-4SFP10G-CU5M

For details, see "Cables - High-Speed Cable" in Hardware Description of a specified model.

1-to-4 active optical cable (AOC)

The cable provides fixed optical modules that can be directly installed on optical interfaces, lowering costs. The cable length is fixed and the maximum length is 10 m.

1-to-4 AOC model: QSFP-4SFP10-AOC10M

For details, see "Cables - High-Speed Cable" in Hardware Description of a specified model.

1-to-4 40GE optical module + common 10GE optical module + optical fiber

The local and remote interfaces can have a 1-to-4 40GE optical module and four common 10GE optical modules installed respectively and be connected using a dedicated 1-to-4 optical fiber. The communication distance can be adjusted. The optical fibers do not provide optical modules and the costs are high.

1-to-4 40GE optical module models: QSFP-40G-iSR4, QSFP-40G-eSR4, QSFP-40G-iSM4, QSFP-40G-eSM4, and CFP-40G-SR4

1-to-4 optical fiber model: MPO-4*DLC

For details, see "Cables - High-Speed Cable" in Hardware Description of a specified model.

Common 40GE optical module + optical fiber

If the local and remote interfaces are both split 40GE interfaces, they can have the same 40GE QSFP+ optical modules installed and be connected using an optical fiber.

For details, see "Cables - High-Speed Cable" in Hardware Description of a specified model.

For details about the numbering rule, see Interface Numbering Rules. Table 2-5 lists connection modes for splitting 100GE interfaces.
Table 2-5  Connection modes for splitting 100GE interfaces

Connection Mode

Description

Configuration Reference

1-to-4 high-speed cable (or copper cable)

The cable provides fixed optical modules that can be directly installed on optical interfaces, lowering costs. The cable length is fixed and the maximum length is 5 m.

1-to-4 high-speed cable models: QSFP-4SFP10G-CU1M, QSFP-4SFP10G-CU3M, and QSFP-4SFP10G-CU5M

For details, see "Cables - High-Speed Cable" in Hardware Description of a specified model.

1-to-4 active optical cable (AOC)

The cable provides fixed optical modules that can be directly installed on optical interfaces, lowering costs. The cable length is fixed and the maximum length is 10 m.

1-to-4 AOC model: QSFP-4SFP10-AOC10M

For details, see "Cables - High-Speed Cable" in Hardware Description of a specified model.

1-to-4 40GE optical module + common 10GE optical module + optical fiber

The local and remote interfaces can have a 1-to-4 40GE optical module and four common 10GE optical modules installed respectively and be connected using a dedicated 1-to-4 optical fiber. The communication distance can be adjusted. The optical fibers do not provide optical modules and the costs are high.

1-to-4 40GE optical module models: QSFP-40G-iSR4, QSFP-40G-eSR4, QSFP-40G-iSM4, and QSFP-40G-eSM4

1-to-4 optical fiber model: MPO-4*DLC

For details, see "Cables - High-Speed Cable" in Hardware Description of a specified model.

Common 40GE optical module for splitting a 100GE interface into four 10GE interfaces + optical fiber

If the local and remote interfaces are both split 40GE interfaces, they can have the same 40GE QSFP+ optical modules installed and be connected using an optical fiber.

For details, see "Cables - High-Speed Cable" in Hardware Description of a specified model.

1-to-2 100GE optical module + common 40GE optical module + optical fiber

The local and remote interfaces can have a 1-to-2 100GE optical module and two common 40GE optical modules installed respectively and be connected using a dedicated 1-to-2 optical fiber. The communication distance can be adjusted. The optical fibers do not provide optical modules and the costs are high.

1-to-2 100GE optical module: CFP-100G-SR10

1-to-4 optical fiber model: MPO-2*MPO

For details, see "Cables - High-Speed Cable" in Hardware Description of a specified model.

1-to-10 100GE optical module + common 10GE optical module + optical fiber

The local and remote interfaces can have a 1-to-10 100GE optical module and ten common 10GE optical modules installed respectively and be connected using a dedicated 1-to-10 optical fiber. The communication distance can be adjusted. The optical fibers do not provide optical modules and the costs are high.

1-to-10 100GE optical module: CFP-100G-SR10

1-to-10 optical fiber model: MPO-10*DLC

For details, see "Cables - High-Speed Cable" in Hardware Description of a specified model.

If interface split or merge is configured on an interface, the original configuration on the interface is lost. Therefore, exercise caution when deciding to perform the interface split or merge operation.

Procedure

  • Configuring Interface Split

    • Splitting a 40GE interface into four 10GE interfaces

      1. Run system-view

        The system view is displayed.

      2. Run interface 40ge interface-number

        The 40GE interface view is displayed.

      3. Run port split split-type 40GE:4*XGE

        The 40GE interface is split into four 10GE interfaces.

        By default, a 40GE interface is used as an independent interface.

    • Splitting a 100GE interface into ten 10GE, two 40GE or four 10GE interfaces

      1. Run system-view

        The system view is displayed.

      2. Run interface 100ge interface-number

        The 100GE interface view is displayed.

      3. Run port split split-type { 100GE:10*XGE | 100GE:2*40GE | 100GE:4*XGE }

        The 100GE interface is split into ten 10GE, two 40GE or four 10GE interfaces.

        By default, a 100GE interface is used as an independent interface.

    NOTE:

    After configuring interface split, save the configuration and restart the card to make the configuration take effect.

  • Configuring Interface Merge

    • Merging four converted 10GE interfaces into a 40GE interface

      1. Run system-view

        The system view is displayed.

      2. Run interface xgigabitethernet interface-number

        The view of a converted 10GE interface is displayed.

      3. Run undo port split

        The four converted 10GE interfaces are merged into a 40GE interface.

        To merge converted interfaces, you only need to run this command in the view of one converted interface.

    • Merging ten converted 10GE, two converted 40GE or four converted 10GE interfaces into a 100GE interface

      1. Run system-view

        The system view is displayed.

      2. Run interface xgigabitethernet interface-number or interface 40ge interface-number

        The view of a converted 10GE or 40GE interface is displayed.

      3. Run undo port split

        The ten converted 10GE, two converted 40GE or four converted 10GE interfaces are merged into a 100GE interface.

        To merge converted interfaces, you only need to run this command in the view of one converted interface.

    NOTE:

    After configuring interface merge, save the configuration and restart the card to make the configuration take effect.

Verifying the Configuration

Run the display port split [ slot slot-id ] command to view interface split information.

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Updated: 2019-04-08

Document ID: EDOC1100065645

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