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Command Manual – Port Correlation Configuration

H3C S7500E Series Ethernet Switches

Chapter 1 Ethernet Port Configuration

Commands

1-21

Use the undo loopback-detection per-vlan enable command to enable loopback

detection in the default VLAN with Trunk ports or Hybrid ports.

By default, loopback detection is only enabled in the default VLAN(s) with Trunk ports

or Hybrid ports.

Note that the loopback-detection per-vlan enable command is not applicable to

Access ports.

Examples

# Enable loopback detection in all the VLANs to which the hybrid port Ethernet 2/0/1

belongs.

<Sysname> system-view

[Sysname] loopback-detection enable

[Sysname] interface ethernet 2/0/1

[Sysname-Ethernet2/0/1] loopback-detection enable

[Sysname-Ethernet2/0/1] port link-type trunk

[Sysname-Ethernet2/0/1] loopback-detection per-vlan enable

1.1.20 mdi

Syntax

mdi { across | auto | normal }

undo mdi

View

Ethernet port view

Parameters

across: Specifies cross-over cables for the Ethernet port.

auto: Configures the Ethernet port to sense the cable type automatically.

normal: Specifies straight-through cables for the Ethernet port.

Description

Use the mdi command to configure the cable type that can be sensed by an Ethernet

port.

Use the undo mdi command to restore the system default.

By default, an Ethernet port senses the type of the network cable connected to it

automatically.

Examples

# Configure the port Ethernet 2/0/1 to use cross over cable.

H3C S7500E Series Command Manual

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