Help us improve your experience.

Let us know what you think.

Do you have time for a two-minute survey?

Navigation
Guide That Contains This Content
[+] Expand All
[-] Collapse All
     
     

    preference (DF Election)

    Syntax

    preference {value value;}

    Hierarchy Level

    [edit dynamic-profiles name interfaces name esi df-election-type ],[edit dynamic-profiles name logical-systems name interfaces name esi df-election-type ],[edit interfaces name esi df-election-type]

    Release Information

    Statement introduced in Junos OS Release 17.3 for MX Series Routers with MPC and MIC interfaces.

    Description

    Preference-based designated forwarder (DF) election. This preference value is exchanged in the type 4 route using the DF election extended community. On receiving the type 4 route, the candidate DF devices are ordered based on the configured preference value and the IP address.

    Options

    valuePreference value for EVPN multihoming DF election. By default, the preference-based DF election process is based on the highest preference value configured. If the configured preference value is the same on all the candidate PE devices, then the lowest IP address is used to elect the DF.

    To enable DF election based on the lowest preference value configured, include the designated-forwarder-preference-least statement at the [edit routing-instance routing-instance-name protocols evpn] hierarchy level.

    Default: 32767

    Range: 0 through 65535

    Required Privilege Level

    interface

     
     

    Modified: 2017-08-27