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

Table 42: 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

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