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Hierarchy Level

[edit interfaces gr-fpc/pic/port unit logical-unit-number],[edit logical-systems logical-system-name interfaces gr-fpc/pic/port unit logical-unit-number]

Release Information

Statement introduced before JUNOS Release 7.4.


Clear the Don’t Fragment (DF) bit on all IP version 4 (IPv4) packets entering the generic routing encapsulation (GRE) tunnel on Adaptive Services (AS) or Multiservices interfaces. If the encapsulated packet size exceeds the tunnel maximum transmission unit (MTU), the packet is fragmented before encapsulation.

Usage Guidelines

See Enabling Fragmentation on GRE Tunnels.

Required Privilege Level

interface—To view this statement in the configuration.

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

Published: 2010-04-28

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