display cfd linktrace-reply auto-detection
Use display cfd linktrace-reply auto-detection to display information about the LTR messages received as responses to the automatically sent LTMs.
Syntax
display cfd linktrace-reply auto-detection [ size size-value ]
Views
Any view
Predefined user roles
network-admin
network-operator
mdc-admin
mdc-operator
Parameters
size size-value: Specifies the times of recent auto-detections, in the range of 1 to 100. If this option is not specified, all information in the buffer is displayed.
Usage guidelines
This command displays only information about LTRs received by execution of the cfd linktrace auto-detection command.
Examples
# Display the contents of the LTRs received as responses to the LTMs automatically sent.
<Sysname> display cfd linktrace-reply auto-detection Service instance: 1 MEP ID: 1003 Time: 2013/05/22 10:43:57 Target MEP ID: 2005 TTL: 255 MAC Address TTL Last MAC Relay Action 0000-fc00-6505 254 0000-fc00-6504 MPDB 000f-e269-a852 253 0000-fc00-6505 FDB 0000-fc00-6508 252 000f-e269-a852 Hit Service instance: 2 MEP ID: 1023 Time: 2013/05/22 10:44:06 Target MEP ID: 2025 TTL: 255 MAC Address TTL Last MAC Relay Action 0000-fc00-6508 254 000f-e269-a852 Hit
Table 10: Command output
Field | Description |
|---|---|
Service instance | Service instance to which the MEPs that sent LTM messages belong. |
MEP ID | ID of the MEP that sends LTMs. |
Time | Time of the LTMs automatically sent. |
Target MEP ID | ID of the target MEP. |
TTL | Initial hop count of the automatically sent LTMs. |
MAC Address | Source MAC address in the LTR messages. |
TTL | Hop count when LTM passes the device. |
Last MAC | MAC address of the last-hop device the LTM passes. |
Relay Action | Indicates whether the forwarding device found the destination MAC address in its MAC address table. When the standard version (IEEE 802.1ag) of CFD is used:
|
Related commands
cfd linktrace auto-detection