Development discussion of WireGuard
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From: Lucian Cristian <luci@powerneth.ro>
To: wireguard@lists.zx2c4.com
Subject: Re: WireGuard Bug?
Date: Sat, 18 May 2019 20:03:52 +0300	[thread overview]
Message-ID: <e7eee97b-ce4e-5179-cf9c-4ed714140f27@powerneth.ro> (raw)
In-Reply-To: <VI1PR08MB430161EDE2737ABEF683CDC7900B0@VI1PR08MB4301.eurprd08.prod.outlook.com>


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On 17.05.2019 09:34, . . wrote:
> Hi,
>
> I am using WireGuard on a Raspberry Pi 3 B+ with Raspbian Stretch and 
> 4.14.98-v7+ kernel.
> Now this works great for me and is very efficient, however I tried to 
> add a lot of routes on one of the "spoke/client" nodes, 517 routes to 
> be exact.
> If I do this, WireGuard stops working, tcpdump shows the traffic being 
> sent out the wg0 interface but never actually being processed by 
> wireguard, meaning the encapsulated packet to the "hub" never leaves.
>
> So I tried doing this with wg instead of wg-quick and this works fine 
> until I actually add a lot of the routes to the routing table, the 
> sweet spot seems to be 384. If 383 routes are present in the routing 
> table, wg will still work but if I add one more, all previously 
> working ones dont anymore, if I reduce it again to <=383 then it 
> starts working again. wg itself doesnt mind having all those routes 
> (wg show) but I wonder if it tries to read the routing table as well 
> for some reason?
>
> Appreciate any insight/help on this, thanks.
> Chris
>
>
>
> _______________________________________________
> WireGuard mailing list
> WireGuard@lists.zx2c4.com
> https://lists.zx2c4.com/mailman/listinfo/wireguard

did you tried using dynamic routing ? or it can't be applied ? I have 
262 routes available so can't confirm if dynamic routing will work


Regards


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  reply	other threads:[~2019-05-18 17:04 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-17  6:34 . .
2019-05-18 17:03 ` Lucian Cristian [this message]
  -- strict thread matches above, loose matches on Subject: below --
2019-05-12 13:44 Wireguard Bug? Ryan Whelan
2019-05-12 15:41 ` Jason A. Donenfeld
2019-05-12 23:02 ` Lonnie Abelbeck
2019-06-14 11:56 ` Jason A. Donenfeld

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