<div dir="ltr">I would lower the MTU to 1400 on both ends, maybe somewhere in the path
doesn't like fragmentation and GRE puts some overheads on the packet.</div><div class="gmail_extra"><br><br><div class="gmail_quote">On Tue, Aug 27, 2013 at 7:09 PM, Jason Firmino <span dir="ltr"><<a href="mailto:jason.firmino@gmail.com" target="_blank">jason.firmino@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi guys,<br>
<br>
Just wondering if anyone in the list has experienced or knows about what is happening to me...<br>
<br>
I have a proxy server with pptp for a while now and it's been working fine for 2 years now, the thing is last week I had a partner trying to VPN into the office from Germany but its failing with a GRE write failed error.<br>
<br>
BUT... After a bunch of tests I managed to narrow down the problem and found that only the Singapore route traffic that goes trough Singtel has this error... Every other route is fine... Crazy right!?<br>
<br>
I have a juniper srx with passtrough enabled and a Optus fibre connection. Again, everything is fine from every other provider/route. From that Singapore route it only works 1 in 10 attempts... Yes, sometimes it works... WEIRD!!!<br>
<br>
Any ideas?<br>
<br>
Cheers,<br>
Jason<br>
<br>
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</blockquote></div><br></div>