cfd tst
Use cfd tst to enable test (TST). The TST function detects bit errors between the source and target MEPs by using TST frames.
Syntax
cfd tst service-instance instance-id mep mep-id { target-mac mac-address | target-mep target-mep-id } [ number number ] [ length-of-test length ] [ pattern-of-test { all-zero | prbs } [ with-crc ] ]
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 sent TST frames. The value range for the number argument is 1 to 10, and the default is 5.
length-of-test length: Specifies the length of the Test TLV (Type/Length/Value) in the TST frame. The value range for the length argument is 4 to 1400, and the default is 64.
pattern-of-test { all-zero | prbs } [ with-crc ]: Specifies the pattern of the Test TLV in the TST frame:
all-zero (all-zero value without CRC-32), which is the default pattern.
prbs (pseudo random bit sequence without CRC-32).
all-zero with-crc (all-zero value with CRC-32).
prbs with-crc (pseudo random bit sequence with CRC-32).
Usage guidelines
To view the TST test result, use the display cfd tst command on the target MEP.
Examples
# Enable the TST function to test the bit errors between source MEP 1101 and target MEP 1003 in service instance 1.
<Sysname> cfd tst service-instance 1 mep 1101 target-mep 1003 5 TSTs have been sent. Please check the result on the remote device.
Related commands
display cfd tst
reset cfd tst