Instruction Manual

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.
Versi on 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.