Routing

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  • 1.  Remove Private all replace nearest does not remove 4-byte private ASN

    Posted 05-03-2020 08:57

    Hi team,


    I have 2 routers, peering with CPEs, I have configured remove-private replace nearest on both the routers, however one router replaces 4-byte ASN, other does not(although it replaces 2 byte Private ASN properly). only difference I notice is in the versions of two routers.

     

    The one which replaces 4-byte ASN is on 

    Model: mx104
    Junos: 16.2R2.8
    JUNOS Base OS boot [16.2R2.8]

     

    the one which does not is on

    Model: mx104
    JUNOS Base OS boot [13.2R3.7]

     

    config

    set routing-instances xxx protocols bgp group xxx neighbor x.x.x.x remove-private all replace nearest
    set routing-instances xxx protocols bgp group xxx neighbor x.x.x.x local-as yyyy
    set routing-instances xxx protocols bgp group xxx neighbor x.x.x.x local-as private

     

    is it related to OS versions?



  • 2.  RE: Remove Private all replace nearest does not remove 4-byte private ASN

     
    Posted 05-03-2020 09:26

    Hello salishete,

     

    as it works with JUNOS 16.2, it is possible that there is some malfunction with JUNOS 13.2. Do you have the possibilty to upgrade the older MX104 to a newer firmware to check this? 13.2 is really old already, it is maybe even one of the first releases available for MX104 at all.



  • 3.  RE: Remove Private all replace nearest does not remove 4-byte private ASN
    Best Answer

    Posted 05-03-2020 09:42

    Hello,

     

    @salilshete wrote:

     

    is it related to OS versions?

     

    Yes.

    This limitation was fixed via PR 915235 https://prsearch.juniper.net/InfoCenter/index?page=prcontent&id=PR915235

     

    Resolved In
    Release junos
    13.3R5-S2 x
    14.1R5 x
    14.2R1 x
    13.3R6 x
    14.1X53-D25 x

     

    Please upgrade to any of the above versions, or newer, to solve Your issue.

    HTH

    Thx

    Alex