Configure ipv6 rp for specific group /128

dears,

I am trying to control Multicast for a specific multicast group address - FF08::10/128

And i get following error

ipv6 pim rp-address AB01:AB8:74:E:CE05:DFF:FE50:1 TST
%Error: Group prefix must be less than 128, skipping FF08::10/128

i do not need to make it /64 and i need to have only /128 any one can help

Br,
atef mohamed

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Received on Sat Nov 06 2010 - 23:40:55 ART