
AT8404 Utility Commands
Page 4 - 53 AT8404 CLI Reference Manual
4.11.8 debug igmpsnooping packet receive
This command enables tracing of IGMP Snooping packets received by the switch. Snooping should be enabled on
the device and the interface in order to monitor packets for a particular interface.
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 RX - Intf: 1/0/20(20), Vlan_Id:1 Src_Mac: 00:03:0e:00:00:10 Dest_Mac:
01:00:5e:00:00:05 Src_IP: 11.1.1.1 Dest_IP: 225.0.0.5 Type: Membership_Query Group:
225.0.0.5
The following parameters are displayed in the trace message:
4.11.8.1 no debug igmpsnooping receive
This command disables tracing of received IGMP Snooping packets.
4.11.9 debug ip acl
Use this command to enable debug of IP Protocol packets matching the ACL criteria.
Default disabled
Format debug igmpsnooping packet receive
Mode Privileged EXEC
Parameter Definition
RX A packet received by the device.
Intf The interface that the packet went out on. Format used is unit/slot/port (internal interface
number). Unit is always shown as 1 for interfaces on a non-stacking device.
Src_Mac Source MAC address of the packet.
Dest_Mac Destination multicast MAC address of the packet.
Src_IP The source IP address in the ip header in the packet.
Dest_IP The destination multicast ip address in the packet.
Type The type of IGMP packet. Type can be one of the following:
• Membership_Query – IGMP Membership Query
• V1_Membership_Report – IGMP Version 1 Membership Report
• V2_Membership_Report – IGMP Version 2 Membership Report
• V3_Membership_Report – IGMP Version 3 Membership Report
• V2_Leave_Group – IGMP Version 2 Leave Group
Group Multicast group address in the IGMP header.
Format no debug igmpsnooping receive
Mode Privileged EXEC
Default disabled
Format debug ip acl <acl Number>
Mode Privileged EXEC
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