Reference Guide

IPv6 Multicast Commands
The following section contains the IPv6 multicast commands.
debug ipv6 mld_host
Enable the collection of debug information for MLD host transactions.
S4820T
Syntax
[no] debug ipv6 mld_host [int-count | interface type] [slot/
port-range]
To discontinue collection of debug information for the MLD host transactions, use the no
debug ipv6 mld_host command.
Parameters
int-count Enter the keyword count to indicate the number of required debug
messages.
interface type Enter the following keywords and slot/port information:
• For a 10G Ethernet interface, enter the keyword
tengigabitethernet then the slot/port information.
• For a 40G interface, enter the keyword fortyGigE then the
slot/port information.
• For a management interface, enter the keyword
managementinterface then the slot/port information.
• For a port-channel interface, enter the keywords port-
channel then the slot/port information.
• For a VLAN interface, enter the keyword vlan then the slot/
port information.
Default Disabled
Command Modes EXEC
Command History
This guide is platform-specific. For command information about other platforms, refer to the
relevant FTOS Command Line Reference Guide .
The following is a list of the FTOS version history for this command.
Version 8.3.19.0 Introduced on the S4820T.
Version 8.3.11.1 Introduced on the Z9000.
Version 8.3.7.1 Introduced on the S4810.
Usage
Information
To debug the MLD protocol for all ports or for specified ports, use the debug ipv6
mld_host command. Displayed information includes when a query is received, when a
report is sent, when a mcast joins or leaves a group, and some reasons why an MLD query is
rejected.
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