Specifications

show loop-detection logging
591
show loop-detection logging
Displays the log information for the received L2 loop detection frames.
With this command, you can check the port from which an L2 loop detection frame was sent
and the port on which it was received. Log entries for the latest 1000 received frames are
displayed in reverse chronological order. Note that the discarded frames are not displayed.
Syntax
show loop-detection logging
Input mode
User mode and administrator mode
Parameters
None
Example
The following figure is an example of displaying the log information for the received L2 loop
detection frames.
Figure 34-4 Example of displaying log information for received L2 loop detection frames
> show loop-detection logging
Date 2008/11/12 16:23:10 UTC
2008/11/12 16:22:16 0/5 Source: 0/7 Vlan: 1
2008/11/12 16:22:06 0/5 Source: 0/7 Vlan: 1
2008/11/12 16:21:56 ChGr:8 Source: 0/8 Vlan: 1 Uplink Inactive
2008/11/12 16:21:56 0/5 Source: 0/7 Vlan: 1
2008/11/12 16:21:56 0/4 Source: 0/6 Vlan: 1 Inactive
2008/11/12 16:21:56 0/6 Source: 0/4 Vlan: 1
2008/11/12 16:21:56 ChGr:1 Source: ChGr:2 Vlan: 1 Inactive
2008/11/12 16:21:56 ChGr:2 Source: ChGr:1 Vlan: 1 Inactive
2008/11/12 16:21:46 ChGr:8 Source: 0/8 Vlan: 1 Uplink
#
Display items
Table 34-6 Items displayed for the log information about received L2 loop detection frames
Item Meaning Displayed information
Data Time Date and time the L2 loop
detection frame was received
yy/mm/dd hh:mm:ss year/month/day
hour:minute:second
IF# Port number Displays the number of the port on which the L2
loop detection frame was received.
ChGr:<Channel
group#>
Channel group number Displays the number of the channel group on
which the L2 loop detection frame was
received.
Source The number of the port from which
the L2 loop detection frame was
sent
Displays the number of the port from which the
L2 loop detection frame was sent.
<IF#>: Port number
ChGr:<Channel group#>: Channel group