368
active/standby switchover occurs. Use this feature to prevent an active/standby switchover from
affecting the IPv6 multicast service.
To enable MLD NSR:
Step
Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Enable MLD NSR.
mld non-stop-routing
By default, MLD NSR is
disabled.
Displaying and maintaining MLD
CAUTION:
The
reset mld group
command might cause IPv6 multicast data transmission failures.
Execute
display
commands in any view and
reset
commands in user view.
Task
Command
Display information about MLD multicast
groups.
display
mld
[
vpn-instance
vpn-instance-name
]
group
[
ipv6-gr
oup-address
|
interface interface-type interface-number
]
[
static
|
verbose
]
Display MLD information for interfaces.
display
mld
[
vpn-instance
vpn-instance-name
]
interface
[
interf
ace-type interface-number
] [
proxy
] [
verbose
]
Display IPv6 multicast routing entries
maintained by the MLD proxy.
display
mld
[
vpn-instance
vpn-instance-name
]
proxy
group
[
ipv6-group-address
|
interface
interface-type
interface-number
] [
verbose
]
Display information about the MLD proxy
routing table.
display
mld
[
vpn-instance
vpn-instance-name
]
proxy
routing-table
[
ipv6-source-address
[
prefix-length
]
|
ipv6-group-address
[
prefix-length
] ] * [
verbose
]
Display MLD SSM mappings.
display
mld
[
vpn-instance
vpn-instance-name
]
ssm-mapping
ipv6-
group-address
Clear dynamic MLD multicast group entries.
reset mld
[
vpn-instance
vpn-instance-name
]
group
{
all
|
interface
interface-type interface-number
{
all
|
ipv6-group-address
[
prefix-length
]
[
ipv6-source-address
[
prefix-length
] ] } }
MLD configuration examples
Basic MLD features configuration examples
Network requirements
As shown in
•
OSPFv3 and IPv6 PIM-DM run on the network.