3 ms·
I've never had much difficulty with ESP (protocol 50), 6in4 (Protocol 41), or GRE (protocol 47). By and large, if it's IP, your packet will get to the destina
by ghshephard 11y ago
I've never had much difficulty with ESP (protocol 50), 6in4 (Protocol 41), or GRE (protocol 47). By and large, if it's IP, your packet will get to the destination without too much filtering in North America with most of the major ISPs (Comcast, AT&T, etc...)
I can't speak for other countries.
- batou 11y agoGRE tends to bugger off down a hole in a lot of ISPs in the UK from experience. Very annoying.
- ghshephard 11y agoIs that a routing issue, or a fragmentation problem? Reducing your MTU on a GRE link greatly improves performance. I'd be interested in hearing if there were any ISPs that didn't just forward GRE packets using normal IP routing conventions.
- batou 11y agoAbsolutely no idea. AFAIK they just disappear into a void. Used to be like this on Demon, Virgin Media and Easynet. The latter fixed their stuff circa 2007 however.
- admiun 11y agoAs someone who just set up IPv6 tunnels to both home and the office, I had no issues with 6in4 (proto-41) traffic with both ISPs I used. This is in The Netherlands.