What does "Ignore Don't Fragment setting in IPv4 header" in VPN connection page?

Posts: 1,520  Zyxel Employee
Zyxel Certified Network Administrator - Security Zyxel Certified Sales Associate 100 Answers 1000 Comments
edited February 2024 in VPN

Question:
What does "Ignore "Don't Fragment" setting in IPv4 header" in VPN connection page?

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Answer:
Select this to fragment packets larger than the MTU (Maximum Transmission Unit) that have the “Don't Fragment” bit in the IP header turned on.
When you clear this the Zyxel Device drops packets larger than the MTU that have the “Don't Fragment” bit in the header turned on.

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