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From: Samuel Holland <samuel@sholland.org>
To: "Jason A. Donenfeld" <Jason@zx2c4.com>
Cc: WireGuard mailing list <wireguard@lists.zx2c4.com>
Subject: Re: Should wg-quick with SaveConfig accumulate IPv6 link-local addresses
Date: Sun, 9 Dec 2018 20:13:38 -0600
Message-ID: <34980330-1696-6dbc-a156-b5de4a659f80@sholland.org> (raw)
In-Reply-To: <CAHmME9rU2tHNHgo1k49GAot4_FKC+=Qany7K-KfCH3SjJO2awg@mail.gmail.com>

On 12/09/18 20:05, Jason A. Donenfeld wrote:
> On Mon, Dec 10, 2018 at 3:04 AM Samuel Holland <samuel@sholland.org> wrote:
>>
>> On 12/09/18 19:15, Jason A. Donenfeld wrote:
>>> This is mostly just a CentOS issue. On older kernels, we don't
>>> successfully disable LLv6:
>>> https://git.zx2c4.com/WireGuard/tree/src/compat/compat.h#n583
>>>
>>> There's probably a way to backport that tweak to before 3.17, but I
>>> haven't spent time on it. Feel free to send a patch, and if it's clean
>>> and fits entirely into compat.h, I'll gladly apply it.
>>
>> You can also work around this in wg-quick by changing up_if() to
>>
>>   cmd ip link set "$INTERFACE" up addrgenmode none
> 
> Does that work in kernels < 3.17?
> 

Oh, sorry, no it doesn't :( While it uses a totally different way of accessing
the device (so I thought it might still work), it's just another way of setting
addr_gen_mode.
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Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-10 22:20 Eddie
2018-07-14 18:02 ` jugs
2018-07-19  0:31   ` Eddie
2018-12-08 13:32     ` Xand
2018-12-10  1:15       ` Jason A. Donenfeld
2018-12-10  2:04         ` Samuel Holland
2018-12-10  2:05           ` Jason A. Donenfeld
2018-12-10  2:13             ` Samuel Holland [this message]

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