On Mon, Sep 10, 2007 at 10:16:17AM -0500, Stephen Sprunk wrote:
Thus spake Jon Lewis [EMAIL PROTECTED]
The trouble is, it turns out there are a number of networks where
CIDR isn't spoken. They get their IP space from their RIR, break
it up into /24s, and announce those /24s (the ones
On Mon, 10 Sep 2007, Stephen Sprunk wrote:
Sucks to be them. If they do not have enough PA space to meet
the RIR minima, the community has decided they're not worthy
of a slot in the DFZ by denying them PI space.
Not true, there is an ARIN policy that allows you to get a /24 from
one of
On Tue, Sep 11, 2007, Jon Lewis wrote:
You could even do two different versions. A loose version that just
throws out covered subnets with same as-path and a BOFH version that
throws out all apparently gratuitous subnetting smaller than RIR
minimums, but not all smaller than RIR minimum
Thus spake Forrest [EMAIL PROTECTED]
With the option of filtering on the RIR minimums, I'm not terribly
worried about breaking connectivity to the people announcing all
/24s instead of their /19. Broken connectivity for them is probably
the only way they will ever look at cleaning up their
Thus spake Jon Lewis [EMAIL PROTECTED]
The trouble is, it turns out there are a number of networks where
CIDR isn't spoken. They get their IP space from their RIR, break
it up into /24s, and announce those /24s (the ones they're using
anyway) into BGP as /24s with no covering CIDR.
IMHO,
Stephen Sprunk wrote:
Sucks to be them. If they do not have enough PA space to meet the RIR
minima, the community has decided they're not worthy of a slot in the
DFZ by denying them PI space.
Not true, there is an ARIN policy that allows you to get a /24 from one
of your providers even if
Thus spake Kevin Loch [EMAIL PROTECTED]
Stephen Sprunk wrote:
Sucks to be them. If they do not have enough PA space to meet
the RIR minima, the community has decided they're not worthy
of a slot in the DFZ by denying them PI space.
Not true, there is an ARIN policy that allows you to get a
I oppose wholesale filtering by allocation size policy as an acceptable
metric for reducing your RIB.
There are legitimate reasons to announce only /24s within a /21 or /22 PI
allocation, for example. Perhaps an org has diverse networks in multiple
cities and doesn't want to be beholden to
Joe Provo wrote:
Any policing effort will require co-ordination and to be stated
publicly (here and elsewhere) that it is a Good Thing.
...
A direct cookbook provided and lots of folks will still think
you are asking too much of them.
Some of the networks this would help may be skittish of
