`debug mld-snoop`

Displays Multicast Listener Discovery (MLD) snooping debugging information.

Syntax

Parameters

detail: Displays detailed MLD snooping logs.
down-port: Monitors MLD snooping ports.
level num: Displays MLD snoop debugging information in detail.
mct: Displays MLD snoop debugging information related to MCT.
phy-port: Displays physical port debugging information.
port: Displays information about the activity of the specific port.
ethernet unit/slot/port: Specifies the interface.
lag lag-id: Specifies the LAG interface.
port-level num: Displays port-level packets.
rx num: Displays MLD snooping rx packets.
tx num: Displays MLD snooping tx packets.
show-always: Enables show command to ignore snoop enable check.
source source-address: Filters particular source packet.
vlan vlan-id: Displays VLAN level MLD snooping packets.

Modes

Privileged EXEC mode

Usage Guidelines

The debug mld-snoop source command must be enabled along with the packet option.

The no form of the command disables MLD snooping debugging.

Examples

The following example displays detailed MLD snooping logs.

device# debug mld-snoop detail
Jun 29 07:42:17:444270:info:fi_debug:debug_logs:1:36495867553777153: MLD del VL900 (e6/2/4) from group entry ff1e::70:1:1
Jun 29 07:42:17:444180:info:fi_debug:debug_logs:1:36495867553777153: tracking, all source gone, remove immediately
Jun 29 07:42:17:444062:info:fi_debug:debug_logs:1:36495867553777153: MLD: rcvd Report-V2(ty=143) #rec=1, pkt S=fe80::1 to ff02::16, on VL900 (phy e6/2/4), mld_size=28
Jun 29 07:41:54:709145:info:fi_debug:debug_logs:1:13386216197064193: Suppressed 1 times: MLD: rcvd Report-V2(ty=143) #rec=1, pkt S=fe80::1 to ff02::16, on VL900 (phy e6/2/4), mld_size=28

The following example monitors MLD snooping ports.

device# debug mld-snoop down-port
May 28 17:49:47:481867:info:fi_debug:debug_logs:6:1959024778019584: stack: 008b30d8 00ac56d8 00a37620 00a5d680 00a5bb08 00a5bda4 00a36ce0 000aa530 0071aef8 0029d274 0009ac78 0009bb04 005c1380 005c2720 003add08 002ae808 003b8ca8 b6d81eb0 b6f88195 
May 28 17:49:47:481735:info:fi_debug:debug_logs:6:1959024778019584: mcast_snoop_vport_state_notify: vlan 1, port_type 0, port 6/2/4 event 1
May 28 17:49:46:681778:info:fi_debug:debug_logs:6:1958432072532736: stack: 008b30d8 00ac56d8 00a37620 00a5d680 00a5bb08 00a5bda4 00a36ce0 000aa530 0071aef8 0029d274 0009ac78 0009bb04 005c1380 005c2720 003add08 002ae808 003b8ca8 b6d81eb0 b6f88195 
May 28 17:49:46:681653:info:fi_debug:debug_logs:6:1958432072532736: mcast_snoop_vport_state_notify: vlan 900, port_type 0, port 6/2/4 event 1
May 28 17:49:16:662032:info:fi_debug:debug_logs:6:1935930738868992: MLD down VL900(e6/2/4)

The following example displays MLD snoop debugging information in detail.

device# debug mld-snoop level 3 
Jun 29 07:45:05:691513:info:fi_debug:debug_logs:1:36509783247816193:     forward to router fid 4FFF
Jun 29 07:45:05:691441:info:fi_debug:debug_logs:1:36509783247816193:     group: ff1e::70:1:1, life = 620
Jun 29 07:45:05:691336:info:fi_debug:debug_logs:1:36509783247816193: 
Jun 29 07:45:05:691274:info:fi_debug:debug_logs:1:36509783247816193:     G=ff1e::70:1:1, TO_EX, #_src=0 
Jun 29 07:45:05:691162:info:fi_debug:debug_logs:1:36509783247816193: MLD: rcvd Report-V2(ty=143) #rec=1, pkt S=fe80::1 to ff02::16, on VL900 (phy e6/2/4), mld_size=28

The following example displays MLD snoop debugging information related to MCT.

device# debug mld-snoop mct
May 04 14:37:33:499413:info:fi_debug:debug_logs:1:86405586917262080: 1d 7:34:51 - MCASTv6:RTR port sync bulk msg type 1, num of entries 1,nbr src: fe80::629c:9fff:fe52:6504, rbridge_id: 2701
May 04 14:37:33:523347:info:fi_debug:debug_logs:1:227228841474524673: 1d 7:34:51 - MCASTv6:MCAST_MCT_RTR_PORT_SYNC: port: lg5 nbr src fe80::629c:9fff:fe52:6504

RUCKUS FastIron Debug Command Reference, 10.0.10 53-1005773-05

debug mld-snoop

`debug mld-snoop`