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    Monitoring BGP Next Hops

    Purpose

    Display information about all indirect next hops or a particular next hop.

    The show ip bgp next-hops and show bgp ipv6 next-hops commands display similar information.

    Action

    To display information about all indirect next hops or a particular indirect next hop:

    host1#show ip bgp next-hops
    Indirect next-hop 4.4.4.4
      Reachable (metric 2)
      Direct next-hop atm2/0.34 (34.34.34.4)
      Reference count is 3
    
    Indirect next-hop ::ffff:2.2.2.2
      MPLS stacked label 17
      Reachable (metric 3)
      Direct next-hop  tun mpls:vpnInL17-23
      Reference count is 1
    
    Indirect next-hop 5.5.5.5
      Reachable (metric 2)
      Direct next-hop atm2/0.35 (35.35.35.5)
      Reference count is 3
    
    Indirect next-hop 6.6.6.6
      Reachable (metric 3)
      Direct next-hop atm2/0.34 (34.34.34.4)
                      atm2/0.35 (35.35.35.5)
      Reference count is 3
    
    Indirect next-hop 13.13.13.1
      Not reachable
      Reference count is 2

    Meaning

    Table 1 lists the show ip bgp next-hops command output fields.

    Table 1: show ip bgp next-hops Output Fields

    Field Name

    Field Description

    Indirect next-hop

    BGP next-hop attribute as received in the BGP update message

    Reachable

    Indicates whether or not the indirect next hop is reachable.

    Metric

    Metric of the BGP indirect next hop

    Direct next-hop

    IP interface and next-hop IP address that resolve the BGP indirect next hop; the direct next hop can also be an IP indirect next hop or an MPLS indirect next hop when chains of next hops are in use

    Reference count

    Number of label mappings of BGP routes that use this next hop

    Published: 2014-08-18