Technical information

AX Series L2 Loop Detection Configuration Guide (Edition 2)
Copyright © 2008, 2010, ALAXALA Networks Corporation. All rights reserved.
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2.5 Other operation commands
This section describes other operation commands related to the L2 loop detection functionality.
For details about operation commands, see the manual Software Manual Operation Command Reference Vol. 1
for each device.
(1) show loop-detection logging
Displays the L2 loop detection log entries with the L2 loop detection functionality.
Display example
[1] above, for example, indicates that port 0/1 as an uplink port received L2 loop detection frames from port 0/23
VLANs 10-12 on 2008-06-26 at 17:19:57 and that the source port 0/23 was in the deactivated status.
(2) show loop-detection statistics
Displays the statistics related to L2 loop detection.
Display example
E1> sh loop-detection logging
Date 2008/06/26 17:44:02 UTC
2008/06/26 17:19:57 0/1 Source: 0/24 Vlan: 12 Uplink
2008/06/26 17:19:57 0/1 Source: 0/24 Vlan: 11 Uplink
2008/06/26 17:19:57 0/1 Source: 0/24 Vlan: 10 Uplink Inactive
2008/06/26 17:18:32 0/1 Source: 0/24 Vlan: 12 Uplink
2008/06/26 17:18:32 0/1 Source: 0/24 Vlan: 11 Uplink
2008/06/26 17:18:32 0/1 Source: 0/24 Vlan: 10 Uplink Inactive
2008/06/26 17:08:04 0/23 Source: 0/24 Vlan: 10
--- Date and time of command execution
[1]
Time L2loop detected Received Source Source Uplink Switched to
port No. port VLAN ID port inactive
E1> sh loop-detection statistics
Date 2008/06/26 17:44:19 UTC
Port:0/1 Up Type :uplink
TxFrame : 0 RxFrame : 40
Inactive Count: 0 RxDiscard : 0
Last Inactive : - Last RxFrame : 2008/06/26 17:19:57
Port:0/2 Up Type :uplink
TxFrame : 0 RxFrame : 0
Inactive Count: 0 RxDiscard : 0
Last Inactive : - Last RxFrame : -
Port:0/5 Down Type :send-inact
TxFrame : 0 RxFrame : 0
Inactive Count: 0 RxDiscard : 0
Last Inactive : - Last RxFrame : -
Port:0/6 Down(loop) Type :send-inact
TxFrame : 5538 RxFrame : 258
Inactive Count: 15 RxDiscard : 0
Last Inactive : 2008/06/26 14:39:05 Last RxFrame : 2008/06/26 14:39:05
：
--- Date and time of command execution
--- [2]--- [1]
--- [4]
--- [3]
--- [6]
--- [5]
--- [8]
--- [7]
[1] Port No. and status [2] Port type
[3] TxFrame: No. of sent L2 loop detection frames [4] RxFrame: No. of received L2 loop detection frames
[5] Inactive Count: Inactive status count [6] RxDiscard: No. of discarded L2 loop detection frames
[7] Last Inactive: Date and time of last inactive status [8] Last RxFrame: Date and time of receipt of
last L2 loop detection frame