On Sun, Aug 03, 2014 at 11:02:14PM -0600, Mark Lopez wrote:

> I've recently moved from OpenVPN to Tinc for the mesh setup. Everything works 
> nicely except for some looping packet issues. 
>  
> I have 12 servers around the United States, including a couple of moving 
> clients. Every now and then the network is flooded with what I assume is 
> looping packets. 200-300MB of bandwidth per node over 10-45 minutes (normally 
> < 20 KB/s, idle). Most if not all nodes participate in the spike. Some nodes 
> just have a spike on output, some only on input. 
[...]
> What causes this and is there a way to prevent these spikes? I estimate an 
> extra 4-5GB of extra bandwidth usage per node because of this. 

Oh, that's quite a lot. First, which version of tinc are you using?
Which Mode (router or switch) are you using? Are you bridging the VPN
interface with the LAN interface on any of the nodes?

-- 
Met vriendelijke groet / with kind regards,
     Guus Sliepen <[email protected]>

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