[c-nsp] BGP default route only

[Kevin Hatem]

> > ip prefix-list annonce-C1 seq 100 permit 0.0.0.0/0
> 
> Shouldn't it be '... permit 0.0.0.0/32' ? IMHO, 0/0 is "all".

no, it should be 0.0.0.0/0 which matches the default route