Menu

Show posts

This section allows you to view all posts made by this member. Note that you can only see posts made in areas you currently have access to.

Show posts Menu

Messages - IJH

#1
Have you modified the MTU on the Fortigate policy?

you can modify it per policy:

config firewall policy
edit xxx
set tcp-mss-sender 1436

You'll need to calculate the MSS and edit the 1436 number depending on what you're connected by on the interface the Fortigate is using for the IPSec tunnel.