nanog mailing list archives
Re: filtering /48 is going to be necessary
From: Joel jaeggli <joelja () bogus com>
Date: Fri, 09 Mar 2012 22:32:13 -0800
On 3/9/12 22:02 , George Bonser wrote:
An ISP that has been given a /32 or larger allocation from PA space and might have 10,000 customers each assigned their own /48 could instantly more than double the size of the IPv6 routing table if they disaggregated that /32. The problem here is that each /32 is 65536 /48 networks. An even larger net, say a /30 that disaggregates due to a router configuration goof means a potential of a huge number of networks suddenly flooding the Internet.
I'm well into my second decade of having a v6 prefix in the dfz and am passingly familiar with powers of two...
Current thread:
- Re: filtering /48 is going to be necessary, (continued)
- Re: filtering /48 is going to be necessary Jimmy Hess (Mar 09)
- Re: filtering /48 is going to be necessary Sander Steffann (Mar 09)
- Re: filtering /48 is going to be necessary Jimmy Hess (Mar 09)
- Re: filtering /48 is going to be necessary George Herbert (Mar 09)
- Re: filtering /48 is going to be necessary Owen DeLong (Mar 09)
- RE: filtering /48 is going to be necessary Leo Vegoda (Mar 09)
- Re: filtering /48 is going to be necessary Owen DeLong (Mar 09)
- Re: filtering /48 is going to be necessary Joel jaeggli (Mar 09)
- Re: filtering /48 is going to be necessary Randy Bush (Mar 09)
- RE: filtering /48 is going to be necessary George Bonser (Mar 09)
- Re: filtering /48 is going to be necessary Joel jaeggli (Mar 09)
- RE: filtering /48 is going to be necessary George Bonser (Mar 09)
- Re: filtering /48 is going to be necessary Jimmy Hess (Mar 10)
- Re: filtering /48 is going to be necessary Sven Olaf Kamphuis (Mar 10)
- Re: filtering /48 is going to be necessary William Herrin (Mar 10)
- Re: filtering /48 is going to be necessary Masataka Ohta (Mar 11)
- Re: filtering /48 is going to be necessary Seth Mattinen (Mar 10)
- Re: filtering /48 is going to be necessary Joel jaeggli (Mar 10)
- Re: filtering /48 is going to be necessary Owen DeLong (Mar 10)
- Re: filtering /48 is going to be necessary Sven Olaf Kamphuis (Mar 10)
- Re: filtering /48 is going to be necessary Jared Mauch (Mar 12)