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Verifying That Virtual Routing Instances Are Working

Purpose

After creating a virtual routing instance, make sure it is set up properly.

Action

  1. Use the show route instance command to list all of the routing instances and their properties:
    user@switch> show route instance
    Instance             Type
             Primary RIB                                     Active/holddown/hidden
    master               forwarding
             inet.0                                          3/0/0
    
    __juniper_private1__ forwarding
             __juniper_private1__.inet.0                     1/0/3
    
    __juniper_private2__ forwarding
    
    instance1            forwarding
    
    r1                   virtual-router
             r1.inet.0                                       1/0/0
    
    r2                   virtual-router
             r2.inet.0                                       1/0/0
    
  2. Use the show route forwarding-table command to view the forwarding table information for each routing instance:
    Routing table: r1.inet
    Internet:
    Destination        Type RtRef Next hop           Type Index NhRef Netif
    default            perm     0                    rjct   539     2
    0.0.0.0/32         perm     0                    dscd   537     1
    103.1.1.0/24       ifdn     0                    rslv   579     1 ge-0/0/3.0
    103.1.1.0/32       iddn     0 103.1.1.0          recv   577     1 ge-0/0/3.0
    103.1.1.1/32       user     0                    rjct   539     2
    103.1.1.1/32       intf     0 103.1.1.1          locl   578     2
    103.1.1.1/32       iddn     0 103.1.1.1          locl   578     2
    103.1.1.255/32     iddn     0 103.1.1.255        bcst   576     1 ge-0/0/3.0
    224.0.0.0/4        perm     0                    mdsc   538     1
    224.0.0.1/32       perm     0 224.0.0.1          mcst   534     1
    255.255.255.255/32 perm     0                    bcst   535     1

Meaning

The output confirms that the virtual routing instances are created and the links are up and displays the routing table information.

Published: 2014-04-23