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Use the undo multicast ipv6 boundary command to delete a specified IPv6
multicast forwarding boundary or all IPv6 multicast forwarding boundaries.
By default, no multicast forwarding boundary is configured.
Note that:
■ A multicast forwarding boundary sets the boundary condition for the IPv6
multicast groups in the specified range. If the destination address of an IPv6
multicast packet matches the set boundary condition, the packet will not be
forwarded.
■ If an interface needs to act as a forwarding boundary for multiple IPv6
multicast groups, just carry out this command on the interface once for each
group.
■ Assume that Set A and Set B are both multicast forwarding boundary sets to be
configured, and that B is a subset of A. If A has been configured on an
interface, it is not allowed to configure B on the interface; if B has been
configured on the interface before A is configured, the previously configured B
will be removed.
Related command: display multicast ipv6 boundary.
Example # Configure Ethernet 1/0 to be the forwarding boundary of the IPv6 multicast
group FF03::101/16.
<Sysname> system-view
[Sysname] interface ethernet 1/0
[Sysname-Ethernet1/0] multicast ipv6 boundary FF03::101 16
multicast ipv6 forwarding-table downstream-limit
Syntax multicast ipv6 forwarding-table downstream-limit limit
undo multicast ipv6 forwarding-table downstream-limit
View System view
Parameter limit: Maximum number of downstream nodes (namely the maximum number of
outgoing interfaces) for a single route in the IPv6 multicast forwarding table. The
value ranges from 0 to 128.
Description Use the
multicast ipv6 forwarding-table downstream-limit command to
configure the maximum number of downstream nodes for a single route in the
IPv6 multicast forwarding table.
Use the
undo multicast ipv6 forwarding-table downstream-limit
command to restore the system default.
By default, the maximum number of downstream nodes for a single route in the
IPv6 multicast forwarding table is 128.