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S12700 Series Agile Switches Hardware Description

This document describes hardware components of the S12700, including the cabinet, chassis, power supply facilities, fan modules, cards, cables, and pluggable modules for interfaces. You can find useful information about S12700 hardware components from this document.
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Interface Numbering

Interface Numbering

Physical Interface Numbering Rules

Physical interfaces are numbered in the following way:

A single switch uses slot ID/subcard ID/interface ID to identify physical interfaces.

A CSS switch uses frame ID/slot ID/subcard ID/interface ID to identify physical interfaces.

  • Frame ID: indicates the ID of a switch in the CSS. The value is 1 or 2.
  • Slot ID: indicates the number of the slot where a card is located.
  • Subcard ID: indicates the ID of a subcard.
  • Interface sequence number: indicates the sequence number of an interface on the card.
Physical interface IDs on LPUs are numbered as follows:
  • If there is only one row of interfaces on the panel, the interfaces are numbered from left to right, starting with 0.

  • If there are two rows of interfaces on the panel, the interfaces are numbered from top to bottom and left to right, starting from 0.

NOTE:
If an LPU has interfaces of different speeds, the interfaces of each speed are numbered separately. For example, an ET1D2S04SX1E card has 10GE and GE interfaces. The 10GE and GE interfaces are both numbered from left to right, starting from 0.

If a card is inserted in slot 3 of a switch, the interface with interface ID 2 (see figures above for interface ID numbering) is numbered 3/0/2. If the switch is in a CSS and the CSS ID is 1, the interface is numbered 1/3/0/4.

100GE optical interfaces and some 40GE optical interfaces can be split into multiple interfaces. The converted interfaces are numbered using the following rules:
  • If the 40GE interface is numbered 40GEx/0/n, the four converted 10GE interfaces are numbered XGEx/1/(4n + z). For example, if a 40GE interface is numbered 40GE1/0/1, the four converted 10GE interfaces are numbered XGE1/1/4, XGE1/1/5, XGE1/1/6, and XGE1/1/7.

    If a 40GE interface is numbered 40GE x/1/n, the four converted 10GE interfaces are numbered XGE x/2/(4n + z + 8). For example, if a 40GE interface is numbered 40GE1/1/1, the four converted 10GE interfaces are numbered XGE1/2/12, XGE1/2/13, XGE1/2/14, and XGE1/2/15.

    • x: indicates the slot number of the card.
    • n: indicates the sequence number of the 40GE interface. The value starts from 0.
    • z: indicates the interface location. The value ranges from 0 to 3.
  • After the 100GE interfaces are split, the subcard number and interface sequence number of converted interfaces are fixed. Table 7-3 describes the numbering rules.

    Table 7-3  Numbering rule for interfaces converted from a 100GE interface

    100GE Interface Number

    Numbers of Converted 40GE Interfaces

    (Only Applicable to ET1D2C02FEE0 Cards)

    Numbers of Ten Converted 10GE Interfaces

    (Only Applicable to ET1D2C02FEE0 Cards)

    Numbers of Four Converted 10GE Interfaces

    (Only Applicable to ET1D2C04HX2E, ET1D2C04HX2H, and ET1D2C04HX2S Cards)

    Numbers of Four Converted 10GE Interfaces

    (Only Applicable to ET1D2H02QX2E and ET1D2H02QX2S Cards)

    100GE x/0/0

    40GE x/1/0

    40GE x/1/1

    XGE x/2/0 to XGE x/2/9

    XGE x/1/0 to XGE x/1/3

    XGE x/2/0 to XGE x/2/3

    100GE x/0/1

    40GE x/1/2

    40GE x/1/3

    XGE x/2/10 to XGE x/2/19

    XGE x/1/4 to XGE x/1/7

    XGE x/2/4 to XGE x/2/7

    100GE x/0/2

    -

    -

    XGE x/1/8 to XGE x/1/11

    -

    100GE x/0/3

    -

    -

    XGE x/1/12 to XGE x/1/15

    -

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Updated: 2019-05-15

Document ID: EDOC1000047496

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