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Troubleshooting Guide

CloudEngine 16800, 12800, 12800E, 8800, 7800, 6800, and 5800 Series Switches

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How Are Converted Interfaces Numbered?

How Are Converted Interfaces Numbered?

Two numbering rules exist after interfaces are split: dimension numbering rule in V100R003C00 and later versions and interface sequence numbering rule in versions earlier than V100R003C00.

Numbering rules after 40GE interfaces are split

For example, a 40GE interface is numbered 40GE x/y/n and is split into four 10GE interfaces. The converted 10GE interfaces are numbered using the following two rules:
  • The dimension numbering rule adds a new dimension to the original interface number. If the dimension numbering rule is used, the converted 10GE interfaces are numbered 40GE x/y/n:1, 40GE x/y/n:2, 40GE x/y/n:3, and 40GE x/y/n:4.
  • The interface sequence numbering rule numbers converted interfaces based on the interface sequence. If the interface sequence numbering rule is used, converted interfaces on different switches are numbered in the following ways. CE5800, CE7800, and CE8800 series switches do not support this numbering rule.
    • On CE6800 series switches, a 10GE interface converted from 40GE x/y/n is numbered 10GE x/y/[48 + 4(n - 1) + z]. z indicates the interface location and the value of z ranges from 1 to 4.
    • On CE12800 series switches, a 10GE interface converted from 40GE x/y/0/n is numbered 10GE x/y/0/(4n + z). z indicates the interface location and the value of z ranges from 0 to 3.

A 40GE interface on a CE88-D16Q card can be split into two 10GE interfaces. For example, two 10GE interfaces converted from 40GE 1/1/1 are numbered: 40GE 1/1/1:1 and 40GE 1/1/1:2.

Numbering rules after 100GE interfaces are split

For example, a 100GE interface is numbered 100GE x/y/0/n and is split. Take a 100GE interface on a CE-L04CF-EF card as an example. The converted interfaces are numbered using the following two rules:
  • If the dimension numbering rule is used, the 100GE interface supports the following split types:
    • If the 100GE interface is split into ten 10GE interfaces, a converted 10GE interface is numbered 100GE x/y/0/n:z. z indicates the interface location and the value of z ranges from 1 to 10.
    • If the 100GE interface is split into eight 10GE interfaces, a converted 10GE interface is numbered 100GE x/y/0/n:z. z indicates the interface location and the value of z ranges from 1 to 8.
    • If the 100GE interface is split into two 40GE interfaces, a converted 40GE interface is numbered 100GE x/y/0/n:z. z indicates the interface location and the value of z is 1 or 2.
    • If the 100GE interface is configured as one 40GE interface, the converted 40GE interface is numbered 100GE x/y/0/n:1.
  • If the interface sequence numbering rule is used, the 100GE interface supports the following split types:
    • If the 100GE interface is split into ten 10GE interfaces, a converted 10GE interface is numbered 10GE x/y/0/(10n + z). z indicates the interface location and the value of z ranges from 0 to 9.
    • If the 100GE interface is split into eight 10GE interfaces, a converted 10GE interface is numbered 10GE x/y/0/(10n + z). z indicates the interface location and the value of z ranges from 0 to 7.
    • If the 100GE interface is split into two 40GE interfaces, a converted 40GE interface is numbered 40GE x/y/0/(2n + z). z indicates the interface location and the value of z is 0 or 1.
    • If the 100GE interface is configured as one 40GE interface, the 40GE interface is numbered 40GE x/y/0/2n.
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Updated: 2020-01-07

Document ID: EDOC1000060766

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