IPIP-tunnel with 1500 MTU

Thu Jan 11 18:56:12 UTC 2001

On Thu, 11 Jan 2001 18:44:22 +0100, Mikael Abrahamsson <swmike at swm.pp.se>  said:
> I would like to tunnel IP packets over an IP network, and this IP network
> has 1500 MTU (regular ethernet MTU). In the cisco tunnel (and most others)
> the tunnel MTU ends up being 1450-something bytes. This is not acceptable,
> I need something that is able to split the packet up into two packets so
> that the tunnel MTU will be 1500.

Why is it "not acceptable"?  Can you configure a Path MTU of 1450 to avoid
fragmenting, or run Path MTU Discovery?
-- 
				Valdis Kletnieks
				Operating Systems Analyst
				Virginia Tech

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