[arin-ppml] was -squatting. Why not use the /8 you already have?

William Herrin bill at herrin.us
Mon May 20 19:44:27 EDT 2019

On Fri, May 17, 2019 at 6:06 PM Owen DeLong <owen at delong.com> wrote:

> You’ll also have to rewrite the linux kernel which treats all of
> as quasi-automatically configured on interface lo.

Actually, no. Linux treats every address in the blocks configured on
interface "lo" as local.

ifconfig lo:1 netmask

ifconfig lo netmask
no response.

Interface "lo" is not automatically configured by the kernel; the startup
scripts configure it.

ip netns add test
ip netns exec test ifconfig -a

Note that lo inside the namespace is down and has no ip address.

Of course, changing the startup scripts on every deployed Linux box is not
a particularly smaller task than changing the kernel.

Bill Herrin

William Herrin
bill at herrin.us
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