Ip Vrf Forwarding - Juniper JUNOSE SOFTWARE 11.2.X - XML MANAGEMENT PROTOCOL GUIDE 6-30-2010 Command Reference Manual
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ip vrf forwarding
Syntax
Release Information
Description
Options
Mode
Copyright © 2010, Juniper Networks, Inc.
[ no ] ip vrf forwarding vrfName [ fallback global ]
Command introduced before JunosE Release 7.1.0.
Assigns a VRF to an interface or subinterface. Optionally specifies secondary routing
table lookup on the parent (global) virtual router forwarding table if a lookup on the initial
VRF forwarding table does not yield any results. The no version removes the assignment
or discontinues the secondary routing table lookup option.
NOTE: The ip vrf forwarding command changes the prompt to indicate that the CLI is
now in Interface or Subinterface Configuration mode within the child VRF. This condition
persists only for as long as you are configuring attributes on the given interface within
the VRF. Entering a top-level command, such as interface, within this VRF context takes
the CLI out of the VRF context back to the parent VR context.
When you issue the ip vrf forwarding command from within the Interface Configuration
or Subinterface Configuration mode of the parent VR, the IP address and other attributes
of the interface are deleted from the interface. You must then reconfigure the IP
attributes in the context of the VRF after issuing the command.
vrfName—Name of the VRF; a string of 1–32 alphanumeric characters
fallback global—Specifies secondary routing table lookup on the parent (global) virtual
router forwarding table, if an initial VRF forwarding table lookup does not yield results.
Interface Configuration, Subinterface Configuration
Chapter 10: I Commands
965
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