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H3C S3100 Series User Manual

H3C S3100 Series
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z Normally, a port blocked by STP cannot receive, send, or respond to CFD messages. However, if it
is configured as an outward-facing MEP, it can still receive and send CCM messages.
z Only Ethernet ports support CFD.
Configuring Basic CFD Settings
Enabling CFD
Enable CFD on all concerned devices.
Follow these steps to enable CFD on a device:
To do... Use the command... Remarks
Enter system view
system-view
—
Enable CFD
cfd enable
Required
CFD is disabled by default.
Configuring the CFD Protocol Version
Three CFD protocol versions are available: IEEE 802.1ag draft5.2 version, IEEE 802.1ag draft5.2
interim version, and IEEE 802.1ag standard version. Devices in a same MD must use the same CFD
protocol version; otherwise, they cannot exchange CFD protocol packets.
Follow these steps to configure the CFD protocol version:
To do... Use the command... Remarks
Enter system view
system-view
—
Configure the CFD protocol
version
cfd version
{
draft5
|
draft5-plus
|
standard
}
Optional
By default, CFD uses the standard
version of IEEE 802.1ag.
Configuring Service Instances
Before configuring the MEPs and MIPs, you must first configure service instances.
A service instance is indicated by an integer to represent an MA in an MD. The MD and MA define the
level and VLAN attribute of the messages handled by the MPs in a service instance.
Follow these steps in strict order to configure a service instance:
To do... Use the command... Remarks
Enter system view
system-view
—
Create an MD
cfd md
md-name
level
level-value
Required
Not created by default

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H3C S3100 Series Specifications

General IconGeneral
BrandH3C
ModelS3100 Series
CategorySwitch
LanguageEnglish

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