Sonicwall Registration: DSL MTU PPPoE

A fellow technician had a problem last week with a Sonciwall TZ200 not registering properly. For no apparent reason, when he swapped out the old firewall with a new Sonicwall TZ200, he was unable to properly register the product with the vendor. After opening a support ticket with the vendor, the solution was to change the MTU for the WAN interface from 1500 to 1452.

There are a couple of reasons for this, and let’s review… Continue reading “Sonicwall Registration: DSL MTU PPPoE”

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