Technical Documentation




Hierarchy Level

[edit chassis]

Release Information

Statement added in JUNOS Release 9.6.


Reallocate the jtree memory on the Packet Forwarding Engine to allocate more memory for routing tables, and Layer 3 VPNs. This statement is supported on the following routers:

  • M10i and M7i routers with Enhanced CFEB
  • M320 routers with Enhanced III FPC1, Enhanced III FPC2, and Enhanced III FPC3
  • M120 routers
  • MX Series routers
  • T640, T1600, and TX routers with Enhanced Scaling FPC3 and Enhanced Scaling FPC4

Note: For T Series routers only. With JUNOS Release 10.2, enhanced jtree memory allocation is turned OFF by default. For JUNOS Release 9.3 to 10.1, the default routing tables (inet.0 and inet6.0) use both memory segments by default.

Required Privilege Level

interface—To view this statement in the configuration.

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

Published: 2010-04-26