Kontron AT8904 CLI - Manual (Page 248)

Utility Commands AT8904M
AT8904M CLI Reference Manual Page 5 - 48
RX
A packet received by the device.
Intf
The interface that the packet came in on. Format used is
port/slot (internal interface number).
Source_Mac
Source MAC address of the packet.
Version
Spanning tree protocol version (0-3). 0 refers to STP, 2
RSTP and 3 MSTP.
Root_Mac
MAC address of the CIST root bridge.
Root_Priority
Priority of the CIST root bridge. The value is between 0
and 61440. It is displayed in hex in multiples of 4096.
Path_Cost
External root path cost component of the BPDU.
5.11.4.1 no debug spanning-tree bpdu receive
This command disables tracing of received spanning tree BPDUs.
Format
no debug spanning-tree bpdu receive
Mode
Privileged EXEC
5.11.5 debug spanning-tree bpdu
This command enables tracing of spanning tree bpdus received and transmitted by the
switch.
Default
disabled
Format
debug spanning-tree bpdu
Mode
Privileged EXEC
5.11.5.1 no debug spanning-tree bpdu
This command disables tracing of spanning tree BPDUs.
Format
no debug spanning-tree bpdu
Mode
Privileged EXEC
5.11.6 debug igmpsnooping packet transmit
This command enables tracing of IGMP Snooping packets transmitted by the switch.
Snooping should be enabled on the device and the interface in order to monitor packets
for a particular interface.
Default
disabled
Format
debug igmpsnooping packet transmit
Mode
Privileged EXEC
A sample output of the trace message is shown below.
<15> JAN 01 02:45:06 192.168.17.29-1 IGMPSNOOP[185429992]:
igmp_snooping_debug.c(116) 908 % Pkt TX - Intf: 1/0/20(20), Vlan_Id:1
Src_Mac: 00:03:0e:00:00:00 Dest_Mac: 01:00:5e:00:00:01 Src_IP: 9.1.1.1
Dest_IP: 225.0.0.1 Type: V2_Membership_Report Group: 225.0.0.1
The following parameters are displayed in the trace message:
TX
A packet transmitted by the device.