cfd dm two-way

Use cfd dm two-way to enable two-way DM. The two-way DM function measures the two-way frame delay between the source and target MEPs by using DMM frames and DMR frames.

Syntax

cfd dm two-way service-instance instance-id mep mep-id { target-mac mac-address | target-mep target-mep-id } [ number number ]

Views

Any view

Predefined user roles

network-admin

Parameters

service-instance instance-id: Specifies a service instance by its ID in the range of 1 to 32767.

mep mep-id: Specifies the source MEP by its ID in the range of 1 to 8191.

target-mac mac-address: Specifies the target MEP by its MAC address, which is in the format of H-H-H.

target-mep target-mep-id: Specifies the target MEP by its ID in the range of 1 to 8191.

number number: Specifies the number of DMM frames to be sent. The value range for the number argument is 2 to 10, and the default is 5.

Examples

# Enable the two-way DM function to test the two-way frame delay between source MEP 1101 and target MEP 2001 in service instance 1.

<Sysname> cfd dm two-way service-instance 1 mep 1101 target-mep 2001
Frame delay:
Reply from 0010-fc00-6512: 10ms
Reply from 0010-fc00-6512: 9ms
Reply from 0010-fc00-6512: 11ms
Reply from 0010-fc00-6512: 5ms
Reply from 0010-fc00-6512: 5ms
Average: 8ms
Sent DMMs: 5        Received: 5        Lost: 0

Frame delay variation: 5ms 4ms 6ms 0ms 0ms
Average: 3ms

Table 7: Command output

Field	Description
Reply from 0010-fc00-6512	Delay of the DMR frames returned from the MEP with MAC address 0010-FC00-6512.
Average	Average frame delay or average frame delay variation.
Sent DMMs	Number of sent DMM frames .
Received	Number of received DMR frames.
Lost	Number of lost DMM frames.

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