Configuring Lb On Meps; Configuring Lt On Meps - HPE FlexNetwork HSR6800 series Configuration Manual

NOTE:
• The value range for the interval field value varies with device models.
• The following describes CCM messages with the interval field value 1 to 3 as high-speed CCM
messages, and those with the interval field 4 to 7 as low-speed CCM messages.
Follow these guidelines when you configure CC on a MEP:
•
You must configure the same interval field value in CCM messages sent by the MEPs belonging
to the same MA.
•
The cards without assistant CPUs discard high-speed CCM messages to reduce impact to the
CPU. In such cases, Hewlett Packard Enterprise recommends configuring the same interval
field value to make all MEPs in the MA send low-speed CCM messages.
To configure CC on a MEP:
Step
1. Enter system view.
2. Configure the interval field
value in the CCM messages
sent by MEPs.
3. Enter Ethernet interface
view.
4. Enable CCM sending on a
MEP.

Configuring LB on MEPs

The LB function can verify the link state between the local MEP and the remote MEP or MIP.
To configure LB on a MEP:
Task
Enable LB.

Configuring LT on MEPs

LT can trace the path between the source and target MEPs, and can also locate link faults by sending
LT messages automatically. The two functions are implemented in the following way:
•
To implement the first function, the source MEP first sends LTM messages to the target MEP.
Based on the LTR messages in response to the LTM messages, the path between the two
MEPs can be identified.
•
In the latter case, after LT messages automatic sending is enabled, if the source MEP fails to
receive the CCM frames from the target MEP within 3.5 times the transmission interval, the link
between the two is considered faulty. LTM frames will be sent out with the target MEP as the
destination and the TTL field in the LTM frames set to the maximum value 255. Based on the
LTRs that the MIPs return, the fault source can be located.
To configure LT on MEPs:
Command
system-view
cfd cc interval
interval-value
service-instance
instance-id
interface interface-type
interface-number
cfd cc service-instance
instance-id mep mep-id
enable
Command
cfd loopback service-instance instance-id
mep mep-id { target-mep target-mep-id |
target-mac mac-address } [ number number ]
Remarks
N/A
Optional.
By default, the interval field value is 4.
N/A
Disabled by default.
25
Remarks
Disabled by default.
Available in any view.