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Configuration Guide - Interface Management

CloudEngine 12800 and 12800E V200R003C00

This document describes the interface management configuration, including basic interface configuration, Ethernet interface configuration, and logical interface configuration.

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Default Settings for Ethernet Interfaces

Default Settings for Ethernet Interfaces

Table 2-1 Default settings for GE electrical interfaces

Parameter

Default Setting

Auto-negotiation mode

Auto-negotiation (can be set to non-auto-negotiation)

Duplex mode

Full-duplex

Rate

  • Auto-negotiation mode: negotiated by the local and remote interfaces
  • Non-auto-negotiation mode: 1 Gbit/s (configurable)

Maximum frame length (bytes)

9216

MDI

Auto

EEE

Disabled

(EEE can be enabled only when an interface works in auto-negotiation mode.)

Shut down or not

No

Internal loopback

Disabled

Flow control

Disabled

Table 2-2 Default settings for GE optical interfaces

Parameter

Default Setting

Auto-negotiation mode

  • With an SFP-FE optical module installed: non-auto-negotiation (cannot be set to auto-negotiation)
  • With an SFP-GE optical module installed: auto-negotiation (can be set to non-auto-negotiation)
  • With an SFP-GE copper module installed: auto-negotiation (can be set to non-auto-negotiation)

Duplex mode

Full-duplex

Rate

  • With an SFP-FE optical module installed: 100 Mbit/s (not configurable)
  • With an SFP-GE optical module installed: 1 Gbit/s (not configurable)
  • With an SFP-GE copper module installed, auto-negotiation mode: negotiated by the local and remote interfaces; non-auto-negotiation mode: 1 Gbit/s (configurable)

Maximum frame length (bytes)

9216

Shut down or not

No

Internal loopback

Disabled

Flow control

Disabled

Table 2-3 Default settings for 10GE electrical interfaces

Parameter

Default Setting

Auto-negotiation mode

Auto-negotiation (can be set to non-auto-negotiation)

Duplex mode

Full-duplex

Rate

  • Auto-negotiation mode: negotiated by the local and remote interfaces
  • Non-auto-negotiation mode: 10 Gbit/s (configurable)

Maximum frame length (bytes)

9216

MDI

Auto

EEE

Disabled

(EEE can be enabled only when an interface works in auto-negotiation mode.)

Shut down or not

No

Internal loopback

Disabled

Flow control

Disabled

Table 2-4 Default settings for 10GE optical interfaces

Parameter

Default Setting

Auto-negotiation mode

  • With an SFP-GE optical module installed: auto-negotiation (can be set to non-auto-negotiation)
  • With an SFP-GE copper module installed: auto-negotiation (can be set to non-auto-negotiation)
  • With an SFP+ optical module installed: non-auto-negotiation (cannot be set to auto-negotiation)
  • With a 10GE cable connected: non-auto-negotiation (cannot be set to auto-negotiation)

Duplex mode

Full-duplex

Rate

  • With an SFP-GE optical module installed: 1 Gbit/s (not configurable)
  • With an SFP-GE copper module installed, auto-negotiation mode: negotiated by the local and remote interfaces; non-auto-negotiation mode: 1 Gbit/s (configurable)
  • With an SFP+ optical module installed: 10 Gbit/s (not configurable)
  • With a 10GE cable connected: 10 Gbit/s (not configurable)

Maximum frame length (bytes)

9216

Shut down or not

No

Internal loopback

Disabled

Flow control

Disabled

Table 2-5 Default settings for 40GE optical interfaces

Parameter

Default Setting

Auto-negotiation mode

  • With a QSFP+ optical module installed: non-auto-negotiation (cannot be set to auto-negotiation)
  • With a QSFP+ cable connected: auto-negotiation (can be set to non-auto-negotiation)
  • With a QSFP+ AOC connected: non-auto-negotiation (cannot be set to auto-negotiation)

Duplex mode

Full-duplex

Rate

40 Gbit/s (not configurable)

NOTE:

If a QSFP28 optical module is installed on a 40GE optical interface of the CEL36LQ-E series cards, CE-L36LQ-FD or CE-L24LQ-FD card and the port mode 100ge command is configured, the 40GE optical interface supports the rate of 100 Gbit/s.

Maximum frame length (bytes)

9216

Shut down or not

No

Internal loopback

Disabled

Flow control

Disabled

Table 2-6 Default settings for 100GE optical interfaces

Parameter

Default Setting

Auto-negotiation mode

  • With a 40G CFP optical module installed: non-auto-negotiation (cannot be set to auto-negotiation)
  • With a 100G CFP optical module installed: non-auto-negotiation (cannot be set to auto-negotiation)
  • With a 40G QSFP+ optical module installed: non-auto-negotiation (cannot be set to auto-negotiation)
  • With a 40G QSFP+ copper module installed: auto-negotiation (can be set to non-auto-negotiation)
  • With a 40G QSFP+ AOC module installed: non-auto-negotiation (cannot be set to auto-negotiation)
  • With a 100G QSFP28 optical module installed: non-auto-negotiation (cannot be set to auto-negotiation)
  • With a 100G QSFP28 copper module installed: auto-negotiation (can be set to non-auto-negotiation)
  • With a 100G QSFP28 AOC module installed: non-auto-negotiation (cannot be set to auto-negotiation)

Duplex mode

Full-duplex

Rate

  • With a QSFP+ medium or 40G CFP optical module installed: 40 Gbit/s (not configurable)
  • With a 100G QSFP28 high-speed cable installed: 100 Gbit/s (configurable)
  • With a QSFP28 optical module or an AOC installed: 100 Gbit/s (not configurable)
  • With a 100G CFP optical module installed: 100 Gbit/s (configurable)

Maximum frame length (bytes)

9216

Shut down or not

No

Internal loopback

Disabled

Flow control

Disabled

NOTE:

All Ethernet interfaces of CE series switches work in full-duplex mode and do not support the half-duplex mode.

The auto-negotiation capability of 10GE optical interfaces varies according to the optical modules installed. Therefore, the auto-negotiation mode configured on the interface may be different from the one that takes effect. You can run the display this interface command to check the auto-negotiation mode that takes effect on the interface.

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Updated: 2019-05-05

Document ID: EDOC1100004195

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