nanog mailing list archives
Re: Multiple vendors' IPv6 issues
From: Jared Mauch <jared () puck Nether net>
Date: Wed, 27 May 2015 15:20:55 -0400
On Tue, May 26, 2015 at 04:19:25PM -0700, David Sotnick wrote:
Hi NANOG, The company I work for has no business case for being on the IPv6-Internet. However, I am an inquisitive person and I am always looking to learn new things, so about 3 years ago I started down the IPv6 path. This was early 2012. Fast forward to today. We have a /44 presence for our company's multiple sites; All our desktop computers have been on the IPv6 Internet since June, 2012 and we have a few AAAAs in our external DNS for some key services — and, there have been bugs. *Lots* of bugs. Now, maybe (_maybe_) I can have some sympathy for smaller network companies (like Arista Networks at the time) to not quite have their act together as far as IPv6 goes, but for larger, well-established companies to still have critical IPv6 bugs is just inexcusable!
My current favorites are: https://tools.cisco.com/bugsearch/bug/CSCut62344 Which doesn't allow you to see the neighbors on an interface. this is fun when diagnosing qemu/kvm issues with the macvtap and hosts with ipv6. turns out you to 'fix it' you need to make the macvtap interface promisc as the icmpv6 messages don't make it through the macvtap driver to the VM breaking neighbor discovery. You can guess how we saw the first bug with the second one. This isn't as bad as a colleague who told me he is taking classes at a university whose professor said that a /20 is neither a class A or class B allocation but in the middle, not knowing that CIDR has existed for the past 20 years. Turns out we need a few more SMEs to teach people about CIDR and IPv6 addressing to prevent univeristy professors from teaching the next generation something that doesn't apply anymore. - Jared -- Jared Mauch | pgp key available via finger from jared () puck nether net clue++; | http://puck.nether.net/~jared/ My statements are only mine.
Current thread:
- Multiple vendors' IPv6 issues David Sotnick (May 26)
- Re: Multiple vendors' IPv6 issues Ca By (May 26)
- Re: Multiple vendors' IPv6 issues Mark Tinka (May 27)
- RE: Multiple vendors' IPv6 issues Tony Hain (May 27)
- Re: Multiple vendors' IPv6 issues Bruce Curtis (May 30)
- Re: Multiple vendors' IPv6 issues (ping google flash use) Laurent GUERBY (May 30)
- Re: Multiple vendors' IPv6 issues Marcin Cieslak (May 27)
- Re: Multiple vendors' IPv6 issues Jared Mauch (May 27)
- Re: Multiple vendors' IPv6 issues Brian Rak (May 27)
- Re: Multiple vendors' IPv6 issues Bruce Simpson (May 31)
- Re: Multiple vendors' IPv6 issues Brian Rak (May 27)
- Re: Multiple vendors' IPv6 issues Ca By (May 26)