debug ip igmp add-del-oif stack

Monitors and displays instances of multicast cache activity, such as OIF additions or deletions, and generates a stack trace of the add or delete event.
Syntax
debug ip igmp add-del-oif stack
no debug ip igmp add-del-oif stack
Modes

Privileged EXEC mode

Usage Guidelines

The no form of this command disables the display of instances of multicast cache activity.

Examples
device# debug ip igmp add-del-oif stack
Jun 25 21:31:16:593864:info:fi_debug:debug_logs:1:62756040614086145: stack: 0054536c 010ff684 0110c054 005c538c 005c5dec 011af768 b6cb9f0c b6ec0195
Jun 25 21:31:16:593977:info:fi_debug:debug_logs:1:62756040614086145: IGMP.VRF0.FSM: [ Port lg6,lg6. Grp 225.1.1.1 ] Action TO_INCL (Srcs 0) ver 2 Static 0 SSM 0
Jun 25 21:31:16:594964:info:fi_debug:debug_logs:1:62756044909053441: stack: 0054536c 010ff684 0110c054 005c538c 005c5dec 011af768 b6cb9f0c b6ec0195
Jun 25 21:31:16:595059:info:fi_debug:debug_logs:1:62756044909053441: IGMP.VRF0.FSM: [ Port lg6,lg6. Grp 225.1.1.2 ] Action TO_INCL (Srcs 0) ver 2 Static 0 SSM 0
Jun 25 21:31:26:186489:info:fi_debug:debug_logs:1:62757006981727745: stack: 0054536c 010ff684 0110da08 005c538c 005c5dec 011af768 b6cb9f0c b6ec0195
Jun 25 21:31:26:186604:info:fi_debug:debug_logs:1:62757006981727745: IGMP.VRF0.FSM: [ Port 1/2/2,1/2/2. Grp 225.1.1.2 ] Action IS_EXCL (Srcs 0) ver 2 Static 0 SSM 0
Jun 25 21:31:27:337796:info:fi_debug:debug_logs:1:62757097176040961: stack: 0054536c 010ff684 0110da08 005c538c 005c5dec 011af768 b6cb9f0c b6ec0195
Jun 25 21:31:27:337917:info:fi_debug:debug_logs:1:62757097176040961: IGMP.VRF0.FSM: [ Port lg6,lg6. Grp 225.1.1.1 ] Action IS_EXCL (Srcs 0) ver 2 Static 0 SSM 0
Jun 25 21:31:27:338236:info:fi_debug:debug_logs:1:62757101471008257: stack: 0054536c 010ff684 0110da08 005c538c 005c5dec 011af768 b6cb9f0c b6ec0195
Jun 25 21:31:27:338327:info:fi_debug:debug_logs:1:62757101471008257: IGMP.VRF0.FSM: [ Port lg6,lg6. Grp 225.1.1.2 ] Action IS_EXCL (Srcs 0) ver 2 Static 0 SSM 0
Jun 25 21:31:29:092183:info:fi_debug:debug_logs:1:62757260384798209: stack: 0054536c 010ff684 0110da08 005c538c 005c5dec 011af768 b6cb9f0c b6ec0195
Jun 25 21:31:29:092299:info:fi_debug:debug_logs:1:62757260384798209: IGMP.VRF0.FSM: [ Port lg6,lg6. Grp 225.1.1.1 ] Action IS_EXCL (Srcs 0) ver 2 Static 0 SSM 0
Jun 25 21:31:30:390278:info:fi_debug:debug_logs:1:62757419298588161: stack: 0054536c 010ff684 0110da08 005c538c 005c5dec 011af768 b6cb9f0c b6ec0195
Jun 25 21:31:30:390393:info:fi_debug:debug_logs:1:62757419298588161: IGMP.VRF0.FSM: [ Port lg6,lg6. Grp 225.1.1.1 ] Action IS_EXCL (Srcs 0) ver 2 Static 0 SSM 0