3Com S7906E - Switch, Configuration Manual

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3-9
To do... Use the command... Remarks
Enter system view
system-view
—
Enter ONU port view
interface onu
interface-number
—
Configure the multicast mode
of the ONU as IGMP snooping
multicast-mode
igmp-snooping
Optional
By default, the multicast mode
of the ONU is IGMP Snooping.
Add a UNI to the specified
multicast VLAN(s)
uni uni-number multicast vlan
{
vlan-id
} & <1-50>
Required
Configure the number of
multicast channels on the
specified UNI
uni uni-number
multicast-group-number
number
Optional
By default, the users connected
to a UNI can access 64
multicast channels at the same
time.
Remove the VLAN tag of the
downlink multicast flow on the
UNI port
uni uni-number
multicast-strip-tag enable
Optional
By default, a UNI does not
remove the VLAN tag of the
downlink multicast flow.
Configure the aging timer of the
router port
onu-protocol igmp-snooping
router-aging-time seconds
Optional
105 seconds by default
Configure the query-response
timer
onu-protocol igmp-snooping
max-response-time seconds
Optional
By default, the maximum
response time of group-specific
queries is 1 second.
Configure the aging timer of the
multicast member port
onu-protocol igmp-snooping
host-aging-time seconds
Optional
260 seconds by default
Enable IGMP membership
report suppression
onu-protocol igmp-snooping
report-aggregation enable
Optional
Disabled by default
Enable IGMP leave
suppression
onu-protocol igmp-snooping
leave-aggregation enable
Optional
Enabled by default
The
max-response-time
keyword in the
onu-protocol igmp-snooping
command sets the maximum
response time of the group-specific queries. If the device receives no response at the first timeout of the
maximum response time, it re-sends group-specific queries. If the device still receives no response
within the maximum response time, the multicast group on the corresponding ONU is deleted.
Multicast control mode
1) OLT-side functions
The OLT side maintains a user multicast service access control table to centrally manage user
multicast service access rights.