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ï‚Ÿ IGMP snooping is provisioned on a VLAN basis and is recommended for VLANs
carrying video services and should be avoided for VLANs in a Transparent LAN Service
(TLS).
ï‚Ÿ The default behavior for data services is to filter all multicast traffic upstream from an
xDSL port, unless the TLAN parameter is enabled on the VLAN. For VLANs that are
carrying IPv6 multicast traffic, enabling (selecting) this feature allows a passthrough of
the IPv6 traffic.
ï‚Ÿ A VLAN can only be deleted if it is NOT referenced by a tag action, a service tag action,
a provisioned service, or a voice service IP Host.
ï‚Ÿ For the double-tagged VLAN, the same inner tag cannot be used with different outer
tags. Any given (inner) tag received upstream on the VDSL2 card can only be told to
push a single (outer) tag. For example, VLAN 100 received on the VDSL2 card can push
tag 200; 200 will be popped in the downstream.
ï‚Ÿ Once a tag is used as a single-tagged VLAN, it cannot also be used in double-tagged
VLANs. For example: if VLAN 300 is single tagged:
ï‚Ÿ It cannot be used as the inner tag of a double-tagged VLAN because the double
tagged would require VLAN 300 to push an outer tag.
ï‚Ÿ It cannot not be used as the outer tag in a double-tagged VLAN because that would
mean it would get popped in the downstream direction.
ï‚Ÿ Multicast addresses on an E7 VDSL2 card must be unique across all IGMP-enabled
VLANs on the VDSL2 card, including MVR VLANs in up to 4 MVR profiles. For
example, multicast address w.x.y.z cannot exist in both VLAN-A and VLAN-B on the
same VDSL2 card, where IGMP snooping/proxy is enabled on VLAN-A and VLAN-B.
ï‚Ÿ An MVR VLAN cannot also be used as an Ethernet services VLAN.
ï‚Ÿ DSL only supports a single MVR VLAN if the IGMP mode is set to snoop-suppress
and will support multiple MVR VLANs if the IGMP mode is set to proxy.
Parameters
You can provision the following parameters for VLANs:
Parameter Description Valid Options
ID* VLAN ID 2-4093
(Except for 1002-1005
which are reserved for E-
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