display cfd mep
Use display cfd mep to display the attribute and operating information of a MEP.
Syntax
display cfd mep mep-id service-instance instance-id
Views
Any view
Predefined user roles
network-admin
network-operator
Parameters
mep mep-id: Specifies a MEP by its ID in the range of 1 to 8191.
service-instance instance-id: Specifies a service instance by its ID in the range of 1 to 32767.
Examples
# Display the attribute and operating information of MEP 50 in service instance 1.
<Sysname> display cfd mep 50 service-instance 1 Interface: Ten-GigabitEthernet1/0/2 Maintenance domain: md_0 Maintenance domain index: 1 Maintenance association: ma_0 Maintenance association index: 1 Level: 0 VLAN: 1 Direction: Outbound Current state: Active CCM send: Enable FNG state: FNG_DEFECT_REPORTED CCM: Current state: CCI_WAITING Interval: 1s SendCCM: 12018 Loopback: NextSeqNumber: 8877 SendLBR: 0 ReceiveInOrderLBR: 0 ReceiveOutOrderLBR: 0 Linktrace: NextSeqNumber: 8877 SendLTR: 0 ReceiveLTM: 0 No CCM received from some remote MEPs. One or more streams of error CCMs is received. The last received CCM: Maintenance domain: (Without ID) Maintenance association: matest1 MEP ID: 5 Sequence Number:0x50A MAC Address: 0011-2233-4402 Received Time: 2014/03/06 13:01:34 One or more streams of cross-connect CCMs is received. The last received CCM: Maintenance domain: mdtest1 Maintenance association:matest1 MEP ID: 6 Sequence Number:0x63A MAC Address: 0011-2233-4401 Received Time: 2014/03/06 13:01:34 Some other MEPs are transmitting the RDI bit.
Table 17: Command output
Field | Description |
---|---|
Interface | Interface to which an MD belongs. |
Maintenance domain | MD to which a MEP belongs. (If the MD does not have a name, this field is displayed as Without ID.) |
Maintenance domain index | Index of the MD where the MEP resides. |
Maintenance association | MA to which a MEP belongs. |
Maintenance association index | Index of the MA where the MEP resides. |
Level | Level of the MD. |
VLAN | VLAN to which the MA belongs. |
Direction | Direction of the MEPs. |
Current state | State of MEP, either Active or Inactive. |
CCM send | Whether the MEP sends CCM. |
FNG state | State of FNG (Fault Notification Generator):
If this field is not supported, a hyphen (-) is displayed. |
CCM | Information related to CCM. |
Current state | State of CCMs sent:
If this field is not supported, a hyphen (-) is displayed. |
Interval | Interval to send CCM. |
SendCCM | Number of CCMs that have been sent by the MEPs. If this field is not supported, a hyphen (-) is displayed. |
Loopback | Information related to Loopback. |
NextSeqNumber | Sequence number of the next LBM to be sent. |
SendLBR | Number of LBRs that have been sent. If the MEP is inward-facing, the number of LBRs will not be counted. |
ReceiveInOrderLBR | Number of LBR messages received in correct sequence. |
ReceiveOutOrderLBR | Number of LBR messages received out of order. |
Linktrace | Information related to linktrace. |
NextSeqNumber | Sequence number of the next LTM to be sent. |
SendLTR | Number of LTRs sent. If the MEP is inward-facing, the number of LTRs will not be counted. |
ReceiveLTM | Number of LTMs received. |
No CCM received from some remote MEPs | Failure to receive CCMs from some remote MEPs. (This information is displayed only when some CCMs are lost.) |
One or more streams of error CCMs is received. The last received CCM | Display the content of the last error CCM when one or more error CCMs are received. (This information is displayed only when error CCMs are received.) |
Maintenance domain | MD of the last error CCM message. If this field is not supported, a hyphen (-) is displayed. |
Maintenance association | MA of the last error CCM message. If this field is not supported, a hyphen (-) is displayed. |
MEP | ID of the MEP that sent the last error CCM message. If this field is not supported, a hyphen (-) is displayed. |
Sequence Number | Sequence number of the last error CCM. If this field is not supported, a hyphen (-) is displayed. |
Received Time | Time when the last error CCM is received. If this field is not supported, a hyphen (-) is displayed. |
One or more streams of cross-connect CCMs is received. The last received CCM | Cross-connect CCMs are received, and the content of the last cross-connect CCM is displayed. (This information is displayed only when cross-connect CCMs are received.) |
Some other MEPs are transmitting the RDI bit. | CCMs with the RDI flag bits set are received from other MEPs. (This information is displayed only when this type of CCMs are received.) |