On (2012-10-23 16:04 +0200), Gregoire Huet wrote: > Has anyone a problematic of changing MTU ? We have some links we > cannot really trust MTU-wise, How quaint. > and we would like to monitor that the currently configured MTU is honored. > Is there any possible trick with 'ip sla' ? Other ways ? ICMP echo request with DF (don't fragment) bit set? -- ++ytti