H3C S5500-EI - Enabling the IGMP Host Tracking Function; Setting the DSCP Value for IGMP Messages

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Enabling the IGMP host tracking function
With the IGMP host tracking function, the switch can record the information of the member hosts that are
receiving multicast traffic, including the host IP address, running duration, and timeout time. You can
monitor and manage the member hosts according to the recorded information.
Enabling the IGMP host tracking function globally
Ste
p
Command Remarks
1. Enter system view.
system-view N/A
2. Enter public network IGMP
view/VPN instance IGMP
view.
igmp [ vpn-instance vpn-instance-name ]
N/A
3. Enable the IGMP host
tracking function globally.
host-tracking Disabled by default
Enabling the IGMP host tracking function on an interface
Ste
p
Command Remarks
1. Enter system view.
system-view N/A
2. Enter interface view.
interface interface-type interface-number N/A
3. Enable the IGMP host
tracking function on the
interface.
igmp 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 2474, the first
six bits contains the DSCP priority for prioritizing traffic in the network and the last two bits are reserved.
To set the DSCP value for IGMP messages:
Ste
p
Command Remarks
1. Enter system view.
system-view N/A
2. Enter public network IGMP
view or VPN instance IGMP
view.
igmp [ vpn-instance
vpn-instance-name ]
N/A
3. Set the DSCP value for IGMP
messages.
dscp dscp-value
Optional.
By default, the DSCP value in IGMP
messages is 48.