[c-nsp] IPv6 Prefix inbound filter

Mark Tinka mtinka at globaltransit.net
Sat Jun 4 15:35:04 EDT 2011


On Friday, June 03, 2011 10:25:30 PM arulgobinath emmanuel 
wrote:

> Hi all,
> what is the current  industry practices in IPv6 inbound
> prefix filter is it /32 or /48 ? or it depends on the
> global IPv6 prefix growth vs memory ?

We filter up to a /48.

/48 tends to be the informally agreed limit, but different 
networks may have varying strategies.

Mark.
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