Please note the article relates to network ports used for SSL interception (inline/TAP) or device ports connected to an appliance doing inspection of decrypted SSL traffic.
SSLV management port has a configurable MTU using network set mtu CLD command.
The network ports MTU size cannot be edited. The SSL Visibility appliance classifies a jumbo frame as any ethernet frame greater than 1536 bytes. The jumbo frames will be cut-through the appliance.