MTU not regrowing?

[Michael Sierchio]

On Tue, Jun 24, 2014 at 11:43 AM, Andrea Venturoli <ml at netfence.it> wrote:

> _ the system had vlan3 interface, with default MTU (1500 bytes);
> _ "ping -D -s 1400 somehost" would work, but "ping -D -s 1500 somehost"
> would yield "frag needed and DF set" (forgive me if the message is not
> exact, I don't have it anymore);

Does your interface support hardware VLAN tagging?  (i.e. does an ifconfig
show VLAN_HWTAGGING?)

- M

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