Help us improve your experience.

Let us know what you think.

Do you have time for a two-minute survey?

Navigation
Guide That Contains This Content
[+] Expand All
[-] Collapse All
     

    Related Documentation

     

    Monitoring RSVP-TE Hello Adjacency Instances

    Purpose

    Display summary or detailed information about RSVP-TE hello adjacency instances.

    Action

    To display summary information about RSVP-TE hello adjacency instances:

    host1#show mpls rsvp hello instance
      Up – neighbor is up
      GR – graceful restart is in progress                     
      Peer
    Address    Interface   Interval   Miss Limit  State
    --------   ---------   --------   ----------  ------
    10.1.1.2   ATM6/1.1    10000      4           Up
    10.3.1.2   ATM6/0.3    10000      4           GR

    The following output shows that the two peers are identified as RSVP-TE node hellos peers:

    host1#show mpls rsvp hello instance
      Up – neighbor is up
      GR – graceful restart is in progress                     
      Peer
    Address Interface Interval Miss Limit State
    -------- --------- -------- ---------- ------
    10.1.1.2 <any>    10000     4          Up
    10.3.1.2 <any>    10000     4          GR
    11.2.3.1 Atm3/1.3 10000     4          GR

    To display detailed information about RSVP-TE hello adjacency instances:

    host1#show mpls rsvp hello instance detail
    Neighbor 10.1.1.2 on interface ATM6/1.1
      Local Address 10.1.1.1
      Restart Time: 60000 msecs
      Recovery Time: 120000 msecs
      State: Up
      SrcInstance 0x4379F084
      DstInstance 0x4379EA19
      Interval            : 10000
      Miss Limit          : 4
      Hellos Sent         : 0
      Hellos Received     : 382
      Hellos Suppressed   : 381
      Hello Acks Sent     : 382
      Hello Acks Received : 0

    Meaning

    Table 1 lists the show mpls rsvp hello instance command output fields.

    Table 1: show mpls rsvp hello instance Output Fields

    Field Name

    Field Description

    Peer Address

    Address of the peer in the RSVP-TE hello adjacency

    Interface

    Specifier and status of each interface

    any

    Identifies an RSVP-TE node hello peer

    Interval

    Interval at which hellos are sent to the neighbor, in milliseconds

    Miss Limit

    Number of hello messages from the neighbor that can be missed before the adjacency is considered to be down

    State

    State of the adjacency with the neighbor

    AdjLost

    Adjacency has been lost. Hellos were received from the peer but have timed out. The peer is known to be capable of graceful restart, so the router is waiting for hellos to resume from the peer. The router is actively sending hellos to the peer.

    The router declares the peer to be dead if it does not receive hellos from the peer during the peer’s advertised recovery period.

    The router declares the peer to be gracefully restarting if hellos are seen from the peer and its sequence number has changed.

    The router declares the peer to be up if hellos are seen from the peer and its sequence number has not changed.

    Dead

    Hellos were received from the peer but have timed out. The router is not in graceful restart helper mode. The router changes the local hello sequence number and does not send hellos to the peer. The router transitions to Down if new control traffic needs to be sent to the peer or if the peer starts sending control traffic.

    Down

    No hellos have been received from the peer. The router is actively sending hellos to the peer.

    GR

    Graceful restart in progress. The hello sequence number from the peer changed. The router is in graceful restart helper mode and actively sending hellos to the peer.

    Up

    Hellos were received from the peer. The router is actively sending hellos to the peer.

    Neighbor

    IP address of remote hello adjacency peer

    Local Address

    IP address of the local hello adjacency peer

    Restart Time

    Graceful restart time, in milliseconds

    Recovery Time

    Graceful restart recovery time, in milliseconds

    SrcInstance

    Nonzero 32-bit value that represents the sender's hello instance. The value is maintained on a per-neighbor basis. This instance value changes only when the sending peer resets, when the sender’s router reboots, or when communication is lost between the hello adjacency peers.

    DstInstance

    32-bit SrcInstance value most recently received from hello adjacency peer; value is zero when no instance has been received from that peer

    Hellos Sent

    Number of hello messages sent

    Hellos Received

    Number of hello messages received

    Hellos Suppressed

    Number of hello messages suppressed; message generation is suppressed when a hello request object is received from the destination node within the hello interval

    Hellos Acks Sent

    Number of acknowledgments sent in response to hello requests received

    Hellos Acks Received

    Number of acknowledgments received in response to hello requests sent

     

    Related Documentation

     

    Published: 2014-08-18