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foddy · 02-06-2011, 05:26

I know you've tried with two routers, so this is unlikely to be the problem, but can you make sure that no ICMP is being blocked on them? This looks a lot like a PMTU discovery problem.

02-06-2011, 05:26	#29
foddy Inactive Join Date: May 2004 Location: St Albans Services: Tivo, 50Mbps Posts: 134	Re: Serious Virgin Cable Routing Issues I know you've tried with two routers, so this is unlikely to be the problem, but can you make sure that no ICMP is being blocked on them? This looks a lot like a PMTU discovery problem.