31
Step Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Enter interface view.
interface
interface-type
interface-number
N/A
3.
Enable multicast forwarding on
a non-querier downstream
interface.
igmp proxying forwarding
Disabled by default.
Displaying and maintaining IGMP
Task
Command
Remarks
Display IGMP group information.
display igmp
[
all-instance
|
vpn-instance
vpn-instance-name
]
group
[
group-address
|
interface
interface-type interface-number
]
[
static
|
verbose
] [
|
{
begin
|
exclude
|
include
}
regular-expression
]
Available in any view.
Display the Layer 2 port
information of IGMP groups.
display igmp group port-info
[
vlan
vlan-id
]
[
verbose
] [
|
{
begin
|
exclude
|
include
}
regular-expression
]
Available in any view.
Display information about the hosts
tracked by IGMP on an interface.
display igmp host interface
interface-type
interface-number
group
group-address
[
source
source-address
] [
|
{
begin
|
exclude
|
include
}
regular-expression
]
Available in any view.
Display information about the hosts
tracked by IGMP on the Layer 2
ports.
display igmp host port-info
vlan
vlan-id
group
group-address
[
source
source-address
] [
|
{
begin
|
exclude
|
include
}
regular-expression
]
Available in any view.
Display IGMP configuration and
operation information.
display igmp
[
all-instance
|
vpn-instance
vpn-instance-name
]
interface
[
interface-type
interface-number
] [
verbose
] [
|
{
begin
|
exclude
|
include
}
regular-expression
]
Available in any view.
Display the information of IGMP
proxying groups.
display igmp
[
all-instance
|
vpn-instance
vpn-instance-name
]
proxying group
[
group-address
] [
verbose
] [
|
{
begin
|
exclude
|
include
}
regular-expression
]
Available in any view.
Display information in the IGMP
routing table.
display igmp
[
all-instance
|
vpn-instance
vpn-instance-name
]
routing-table
[
source-address
[
mask
{
mask
|
mask-length
} ] |
group-address
[
mask
{
mask
|
mask-length
} ] |
flags
{
act
|
suc
} ] * [
|
{
begin
|
exclude
|
include
}
regular-expression
]
Available in any view.
Display IGMP SSM mappings.
display igmp
[
all-instance
|
vpn-instance
vpn-instance-name
]
ssm-mapping
group-address
[
|
{
begin
|
exclude
|
include
}
regular-expression
]
Available in any view.
