North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: IPIP-tunnel with 1500 MTU
On Thu, 11 Jan 2001 [email protected] wrote: > Why is it "not acceptable"? Can you configure a Path MTU of 1450 to avoid > fragmenting, or run Path MTU Discovery? <customer location 2> | our router2 | tunnel our net | tunnel our router1 | <customer location 1> | customers NATbox | customers internetconnection | another machine The "NEED TO FRAG"-ICMPs generated by our router1 when "another machine" sends packets with 1500 MTU size and DF flag set will be about RFC1918 adresses when "another machine" think's it's talking to the address of the NATbox. Breaks everything. Anyhow, P-MTUd is broken in too many places in the internet anyway. -- Mikael Abrahamsson email: [email protected]
|