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[MX] How to use command to show indirect-next-hop support



Article ID: KB36966 KB Last Updated: 08 Jun 2021Version: 2.0

This article explains how to use a Command Line Interface Command (CLI) command to verify indirect-next-hop support on MX Series routers with the MPC card.


By default, the Junos Trio Modular Port Concentrator (MPC) chipset on MX Series routers is enabled with indirectly connected next hops. It cannot be disabled by using the no-indirect-next-hop statement.

A hidden command can be used to check that:

user@router-re0> show krt indirect-next-hop 
Indirect Nexthop:
Index: 1048574 Protocol next-hop address:
  RIB Table: inet.0                     
  Policy Version: 2                     References: 3
  Locks: 3                              0x7c123c0
  Flags: 0x2                              
  INH Session ID: 0x147
  INH Version ID: 0
  Ref RIB Table: unknown
        Next hop: via xe-0/0/0.0 weight 0x1
        Session Id: 0x143
      IGP FRR Interesting proto count : 3
      Chain IGP FRR Node Num          : 1
         IGP Resolver node(hex)       : 0x44a3670   
         IGP Route handle(hex)        : 0x4452bf0      IGP rt_entry protocol        : OSPF
         IGP Actual Route handle(hex) : 0x0            IGP Actual rt_entry protocol : Any

You can use the show route forwarding-table command to show indirect-next-hop support.

user@router-re0> show route forwarding-table 
Routing table: default.inet
Enabled protocols: Bridging, 
Destination        Type RtRef Next hop           Type Index    NhRef Netif
default            user     0                    dscd       34    56
default            perm     0                    rjct       36     1         perm     0                    dscd       34    56         user     0                    indr  1054808 11236          <<<<<<-this showing that indirect-next-hop support
                                                 ulst  1059871     2
                           Push 649980   152242     2 xe-1/0/0.0
                           Push 775512    70222     2 xe-1/0/1.0
                           Push 649980   152243     2 xe-2/0/1.0
Modification History:

2021-06-08: Modified Solution section to detail an alternative command that can be used for the same purpose

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