Configuring Lb On Meps; Configuring Lt On Meps; Displaying And Maintaining Cfd - HP A5830 series Configuration Manual

Interval field value
7

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:
To do...
•
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, and LTM frames (with the target MEP as the destination and the TTL field in
the LTM frames set to the maximum value 255) will be sent out. Based on the LTRs that the MIPs
return, the fault source can be located.
To configure LT on MEPs:
To do...
•
Find the path between a
source MEP and a
target MEP
• Enter system view
• Enable LT messages
automatic sending

Displaying and maintaining CFD

To do...
• Display CFD status
• Display the CFD protocol
version
Interval between CCM messages
600 seconds
Use the command...
cfd loopback service-instance
instance-id mep mep-id { target-mep
target-mep-id | target-mac mac-
address } [ number number ]
Use the command...
cfd linktrace service-instance instance-id
mep mep-id { target-mep target-mep-id |
target-mac mac-address } [ ttl ttl-value ] [
hw-only ]
system-view
cfd linktrace auto-detection [ size size-
value ]
Use the command...
display cfd status [ | { begin | exclude |
include } regular-expression ]
display cfd version [ | { begin | exclude |
include } regular-expression ]
29
Timeout time of the remote MEP
2100 seconds
Remarks
Required
Disabled by default
Available in any view
Remarks
Required
Available in any view
—
Required
Disabled by default
Remarks
Available in any view
Available in any view