nanog mailing list archives
RE: Stupid Question maybe?
From: Philip Loenneker <Philip.Loenneker () tasmanet com au>
Date: Wed, 19 Dec 2018 00:51:54 +0000
I had a heck of a time a few years back trying to troubleshoot an issue where an upstream provider had an ACL with an incorrect mask along the lines of 255.252.255.0. That was really interesting to talk about once we discovered it, though it caused some loss of hair beforehand... -----Original Message----- From: NANOG <nanog-bounces+philip.loenneker=tasmanet.com.au () nanog org> On Behalf Of Grant Taylor via NANOG Sent: Wednesday, 19 December 2018 10:27 AM To: nanog () nanog org Subject: Re: Stupid Question maybe? On 12/18/2018 03:12 PM, David Edelman wrote:
I seem to remember that before the advent of VLSM and CIDR there was no requirement for the 1 bits in the netmask to be contiguous with no intervening 0 bits and there was always someone who tested it out on a production network just to prove a point (usually only once)
I would love to hear some confirmation of this, or even first hand experience. /Mainly/ for historical / trivial purposes. (Don't ask, don't tell.) -- Grant. . . . unix || die
Current thread:
- Re: Stupid Question maybe?, (continued)
- Re: Stupid Question maybe? Owen DeLong (Dec 17)
- Re: Stupid Question maybe? Justin M. Streiner (Dec 18)
- Re: Stupid Question maybe? Tom Beecher (Dec 18)
- Re: Stupid Question maybe? George William Herbert (Dec 18)
- Re: Stupid Question maybe? William Herrin (Dec 18)
- Re: Stupid Question maybe? Brian Kantor (Dec 18)
- Re: Stupid Question maybe? Saku Ytti (Dec 18)
- RE: Stupid Question maybe? Naslund, Steve (Dec 18)
- RE: Stupid Question maybe? David Edelman (Dec 18)
- Re: Stupid Question maybe? Grant Taylor via NANOG (Dec 18)
- RE: Stupid Question maybe? Philip Loenneker (Dec 18)
- Re: Stupid Question maybe? Saku Ytti (Dec 18)
- Re: Stupid Question maybe? Christian Meutes (Dec 20)
- Re: Stupid Question maybe? Saku Ytti (Dec 20)
- Re: Stupid Question maybe? Grant Taylor via NANOG (Dec 20)
- Re: Stupid Question maybe? Saku Ytti (Dec 20)
- Re: Stupid Question maybe? Grant Taylor via NANOG (Dec 20)
- Re: Stupid Question maybe? Saku Ytti (Dec 20)
- Re: Stupid Question maybe? Brian Kantor (Dec 18)
- RE: Stupid Question maybe? Naslund, Steve (Dec 19)
- Re: Stupid Question maybe? Patrick W. Gilmore (Dec 19)
- RE: Stupid Question maybe? Naslund, Steve (Dec 19)