White Papers

IPv6 Multicast Commands
.This section describes the IPv6 multicast commands.
debug ipv6 mld_host
Enable the collection of debug information for MLD host transactions.
Z9500
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 Dell
Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.2(1.0) Introduced on the Z9500.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
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.
ip multicast-limit
To limit the number of multicast entries on the system, use this feature.
Z9500
Syntax
ip multicast-limit [vrf vrf-name] limit
1034 Multicast