H3C SOHO IE4300, Command Reference Manual

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11
Examples
# Identify the path between source MEP 1101 and target MEP 2001 in service instance 1.
<Sysname> cfd linktrace service-instance 1 mep 1101 target-mep 2001
Linktrace to MEP 2001 with the sequence number 1101-43361:
MAC address TTL Last MAC Relay action
0010-fc00-6512 63 0010-fc00-6500 Hit
Table 3 Command output
Field Description
Linktrace to MEP 2001 with the
sequence number 1101-43361
Linktrace to target MEP 2001 with the sequence number 1101-43361.
MAC address Source MAC address in the LTRs.
TTL TTL of the LTM when it 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:
•
Hit —The current device is the destination device.
•
FDB —The forwarding device found the destination MAC address.
•
MPDB —The destination MAC address is not found, or the
destination MAC address is found in the MEP or MIP database.
Related commands
cfd linktrace auto-detection
display cfd linktrace-reply
cfd linktrace auto-detection
Use
cfd linktrace auto-detection
to enable automatic sending of LTMs.
Use
undo cfd linktrace auto-detection
to disable automatic sending of LTMs.
Syntax
cfd linktrace auto-detection [ size size-value ]
undo cfd linktrace auto-detection
Default
Automatic sending of LTMs is disabled.
Views
System view
Predefined user roles
network-admin
Parameters
size size-value
: Specifies the size of the buffer used to store the auto-detection result, in the
range of 1 to 100 (in terms of auto-detection times). The default value is 5, which means the buffer
stores the results of the recent five auto-detections.