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Hierarchy Level


Set parameters for stateful NAT64 operation.


These parameters do not change the operation of other types of NAT.


clear-dont-fragment-bit Clear the DF (don't fragment) bit in a translated IPv4 packet if its packet size is less than 1280 bytes. If the packet is greater than or equal to 1280 bytes, the DF bit is not cleared.
disable-h323-ras Disable the H323 and RAS ALG for NAT64.
ipv6-mtu Configure path Maximum transmission unit (MTU) of IPv6 network. Range is 1280 through 9192 bytes.

Required Privilege Level

interface—To view this statement in the configuration.

interface-control—To add this statement to the configuration.

Release Information

Statement introduced with Junos OS Release 12.1.