Path MTU Discovery for IP version 6 with the BIG-IP LTM
We run a virtual machine F5 BIG-IP LTM VE with an IPv6 Gateway module. We do not have a native IPv6 connectivity yet. So we have an 6in4 tunnel (MTU =1480) setup on a Cisco Router.
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To clarify, changing the mtu on the LTM vlan interface worked, but you want the full 1480 instead of 1432? If so, open a support case, if not, please re-state the question.