icmp performance vs. traceroute/tcptraceroute, ssh, ipsec

Jo Rhett jrhett at
Mon May 7 22:26:50 UTC 2007

On May 7, 2007, at 12:45 PM, Peter Dambier wrote:
> I remember from my early DSL days, it was recommended to configure
> mtu=1480 on all interfaces connected to the internet or to the NAT- 
> router.

Yes, I remember that too.  Back when I was a consultant I came out to  
a lot of sites and undid that change because it just breaks things if  
you did that on your router and not on your hosts.

And note, hosts on *both* sides of every connection.

Which in short means: doesn't work in Real Life.

Jo Rhett
senior geek

Silicon Valley Colocation
Support Phone: 408-400-0550

More information about the NANOG mailing list