Virtual Private Routed Network Services
7210 SAS M Services Guide Page 643
default
Syntax default grp-ip-address
no default
Context config>service>vprn>pim>mdt
Description This command configures a default multicast distribution tree (MDT) group address used by the core
instance of PIM to identify multicast traffic for this VPRN instance. All PE’s that are configured with
the same MDT address will become members of this group and receive multicast traffic from each
other.
The no form of this command removes the MDT default address from the configuration.
Parameters grp-ip-address — The multicast IP address for the group.
Values 224.0.1.0 — 239.255.255.255
join-tlv-packing-disable
Syntax [no] join-tlv-packing-disable
Context config>service>vprn>pim>mdt
Description This command specifies enables the packing of MDT join TLVs. If multiple Join TLVs are available
at the time they are transmitted. The TLVs are packed into a single UDP PDU instead of sending
separate UDP PDUs. In scaling scenarios, this packing makes more efficient use of packet buffers and
helps with better convergence.
mc-ecmp-balance
Syntax [no] mc-ecmp-balance
Context config>service>vprn>pim
Description This command enables multicast balancing of traffic over ECMP links. When enabled, each multicast
stream that needs to be forwarded over an ECMP link will be re-evaluated for the total multicast
bandwidth utilization. Re-evaluation occurs on the ECMP interface in question.
The no form of the command disables the multicast balancing.
mc-ecmp-balance-hold
Syntax mc-ecmp-balance-hold minutes
no mc-ecmp-balance-hold
Context config>service>vprn>pim
Description This command configures the hold time for multicast balancing over ECMP links.
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