33
Enabling the IGMP snooping host tracking function globally
Step Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Enter IGMP-snooping view.
igmp-snooping
N/A
3.
Enable the IGMP snooping
host tracking function
globally.
host-tracking
Disabled by default
Enabling the IGMP snooping host tracking function in a VLAN
Step Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Enter VLAN view.
vlan
vlan-id
N/A
3.
Enable the IGMP snooping
host tracking function in the
VLAN.
igmp-snooping host-tracking
Disabled by default
Setting the DSCP value for IGMP messages
IPv4 uses an eight-bit ToS field to identify type of service for IP packets. As defined in RFC 24724, the first
six bits contains the DSCP priority for prioritizing traffic in the network and the last two bits are reserved.
T
his configuration applies to only the IGMP messages that the local switch generates
when the switch or
its port acts as a member host,
rather than those forwarded ones.
To set the DSCP value for IGMP messages:
Step Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Enter IGMP-snooping view.
igmp-snooping
N/A
3.
Set the DSCP value for IGMP
messages.
dscp
dscp-value
By default, the DSCP value in IGMP
messages is 48.
Displaying and maintaining IGMP snooping
Task Command
Remarks
Display IGMP snooping group
information.
display igmp-snooping group
[
vlan
vlan-id
] [
slot
slot-number
]
[
verbose
] [
|
{
begin
|
exclude
|
include
}
regular-expression
]
Available in any view.
