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XP MTU utility to fix problem
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Need help.<br />
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Zywall 5 &lt;--- VPN ---&gt; 4 x Zywall 2 Plus, ping is ok both ways but example VNC connection is blank and explorer don´t work. VPN is zywall site to site.<br />
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So if there is MTU error, how it can fix it to zywall 5 or desktop computer (win xo pro)? 
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Need help.

Zywall 5 <--- VPN ---> 4 x Zywall 2 Plus, ping is ok both ways but example VNC connection is blank and explorer don´t work. VPN is zywall site to site.

So if there is MTU error, how it can fix it to zywall 5 or desktop computer (win xo pro)? 

Zywall 5 VPN to Zywall 2 Plus MTU issue?

Hardware-based firewalls provide more sophisticated protection for inbound and outbound traffic than the simple Windows software firewall or the basic NAT firewalls found in routers. These devices implement techniques such as stateful packet inspection, deep packet inspection, and content filtering; and may include built-in antivirus and anti-malware protection.