Mikael Abrahamsson wrote: > On all platforms I've configured and connected to an IXP, they would all > be configured by setting max L2 MTU on the main interface, and then you > configure whatever needed IPv4 and IPv6 L3 MTU on the subinterface.
iirc, we had problems with a bunch of ios based platforms. It worked fine on junos / xr platforms. I share your surprise that this could even have caused a problem, but it did. Nick