Juniper JUNOSE SOFTWARE FOR E SERIES 11.3.X - BROADBAND ACCESS CONFIGURATION GUIDE 2010-10-12 Configuration Manual page 650

JunosE 11.3.x Broadband Access Configuration Guide
ip demux-type da-prefix
ip destination-prefix
ip share-interface
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Use the no version to delete the IP interface.
See interface ip
Use to specify that the router use a destination address to demultiplex traffic for the
subscriber interface.
Example
host1(config-if)#ip demux-type da-prefix
Use the no version to restore the default situation in which the router uses a source
address to demultiplex traffic.
See ip demux-type da-prefix
Use to specify a destination address for a subscriber interface or for a primary IP
interface.
On the ERX1440 Broadband Services Router or the E320 router, you can configure up
to 1024 subnets for static subscriber interfaces per primary IP interface when each
subnet has a variable network mask that is less than /32. The number of subnets
identifying a single route (/32) is still limited by the global maximum of 16,000 hosts
per line module.
Example
host1(config-if)#ip destination-prefix 196.168.2.2 255.0.0.0
Use the no version to remove the association between the interface and the specified
IP destination address and mask.
See ip destination-prefix
Use to specify the layer 2 interface for this IP interface to share. The command fails if
the layer 2 interface does not yet exist.
If you issue this command on a shared IP interface, you cannot issue the ip
share-nexthop command for the interface.
After creating the shared IP interface, you can configure it as you do any other IP
interface.
The shared interface is operationally up when the layer 2 interface is operationally up
and IP is properly configured.
You can create operational shared IP interfaces in the absence of a primary IP interface.
Example
host1(config-if)#ip share-interface atm 5/3.101
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