debug mld-snoop
Displays Multicast Listener Discovery
(MLD) snooping debugging information.
Syntax
debug mld-snoop
[
detail
|
down-port
|
level
num
|
mct
|
[
phy-port
|
port
]
[
ethernet
unit/slot/port
|
lag
lag-id
]
|
port-level
num
|
[
rx
|
tx
]
num
|
show-always
|
source
source-address
|
vlan
vlan-id
]no debug mld-snoop
[
detail
|
down-port
|
level
num
|
mct
|
[
phy-port
|
port
]
[
ethernet
unit/slot/port
|
lag
lag-id
]
|
port-level
num
|
[
rx
|
tx
]
num
|
show-always
|
source
source-address
|
vlan
vlan-id
]Parameters
Modes
Privileged EXEC mode
Usage Guidelines
The debug mld-snoop source command must be enabled along with the
packet option.
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