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Monitoring ospf routing information – Juniper Networks J-Series User Manual

Page 141

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Table 53: Summary of Key BGP Routing Output Fields (continued)

Additional Information

Values

Field

Names of any export policies configured on the peer.

Export

Names of any import policies configured on the peer.

Import

A high number of flaps might indicate a problem with
the interface on which the session is established.

Number of times the BGP sessions has changed state
from

Down

to

Up

.

Number of
flaps

Monitoring OSPF Routing Information

To view OSPF routing information, select Monitor>Routing>OSPF Information,
or enter the following CLI commands:

show ospf neighbors

show ospf interfaces

show ospf statistics

Table 54 on page 119 summarizes key output fields in the OSPF routing display.

Table 54: Summary of Key OSPF Routing Output Fields

Additional Information

Values

Field

OSPF Neighbors

Address of the neighbor.

Address

Interface through which the neighbor is reachable.

Interface

Generally, only the

Down

state, indicating a failed OSPF

adjacency, and the

Full

state, indicating a functional

adjacency, are maintained for more than a few
seconds. The other states are transitional states that a
neighbor is in only briefly while an OSPF adjacency is
being established.

State of the neighbor:

Attempt

,

Down

,

Exchange

,

ExStart

,

Full

,

Init

,

Loading

, or

2way

.

State

Router ID of the neighbor.

ID

Priority of the neighbor to become the designated
router.

Priority

Number of seconds until the neighbor becomes
unreachable.

Dead

OSPF Interfaces

Name of the interface running OSPF.

Interface

The

Down

state, indicating that the interface is not

functioning, and

PtToPt

state, indicating that a

point-to-point connection has been established, are the
most common states.

State of the interface:

BDR

,

Down

,

DR

,

DRother

,

Loop

,

PtToPt

, or

Waiting

.

State

Using the Monitoring Tools

119

Chapter 7: Monitoring the Router and Routing Operations