Operational Commands

OAM CFM Show Commands

Show OAM CFM Session

The command displays the CFM session information.

show oam cfm session <option>

Option Description

detail

Shows detailed information about CFM sessions.

interface

Shows CFM session details for the specified logical interface.

Example: CFM session

supervisor@rtbrick.net: cfg> show oam cfm session
Interface          Maintenance Domain       Maintenance Association  Local MEP  Remote MEP State
ifl-0/0/0/1        MD_BNG                   MA_DEFAULT_100           1000       2000       Up
ifl-0/0/1/1        MD_BNG                   MA_DEFAULT_200           1001       2001       Up

Example: CFM session details for a specific interface

supervisor@rtbrick.net: cfg> show oam cfm session interface ifl-0/0/0/100
Interface name: ifl-0/0/0/100, CFM state: Up
  Maintenance domain name: MD_BNG, Format: None
    Maintenance association name: MA_DEFAULT_100, Format: Character string
    Continuity check interval: 1s, Loss threshold: 3 Frames
    Local endpoint ID: 1000, Remote endpoint ID: 2000
    CCM packet last sequence received: 7, CCM packet last sequence sent: 55224
    CCM packet received count: 431344, CCM packet transmit count: 55225
    Last error: None

Example: Detailed view of CFM session

supervisor@rtbrick.net: cfg> show oam cfm session detail
Interface name: ifl-0/0/0/100, CFM state: Up
  Maintenance domain name: MD_BNG, Format: None
    Maintenance association name: MA_DEFAULT_100, Format: Character string
    Continuity check interval: 1s, Loss threshold: 3 Frames
    Local endpoint ID: 1000, Remote endpoint ID: 2000
    CCM packet last sequence received: 7, CCM packet last sequence sent: 55224
    CCM packet received count: 431344, CCM packet transmit count: 55225
    Last error: None
Interface name: ifl-0/0/1/200, CFM state: Up
  Maintenance domain name: MD_BNG, Format: None
    Maintenance association name: MA_DEFAULT_200, Format: Character string
    Continuity check interval: 1s, Loss threshold: 3 Frames
    Local endpoint ID: 1001, Remote endpoint ID: 2001
    CCM packet last sequence received: 7, CCM packet last sequence sent: 55224
    CCM packet received count: 431343, CCM packet transmit count: 55225
    Last error: None

Example for Point to Multipoint CFM sessions

supervisor@rtbrick.net: cfg> show oam cfm session
Interface          Maintenance Domain       Maintenance Association  Local MEP  Remote MEP State
ifl-0/0/5/0     BNG                      MA_BNG                   2000       3000       Up
ifl-0/0/5/0     BNG                      MA_BNG                   2000       4000       Up

Detailed view of Point to Multipoint CFM sessions.

supervisor@rtbrick.net: cfg>show oam cfm session detail
Interface name: ifl-0/0/5/0, CFM state: Up
  Maintenance domain name: BNG, Format: None
    Maintenance association name: MA_BNG, Format: Character string
    Continuity check interval: 1s, Loss threshold: 3 Frames
    Local endpoint ID: 2000, Remote endpoint ID: 3000
    CCM packet received count: 0, CCM packet transmit count: 0
    Last error: Continuity-check-interval mismatch
Interface name: ifl-0/0/5/0, CFM state: Up
  Maintenance domain name: BNG, Format: None
    Maintenance association name: MA_BNG, Format: Character string
    Continuity check interval: 1s, Loss threshold: 3 Frames
    Local endpoint ID: 2000, Remote endpoint ID: 4000
    CCM packet received count: 0, CCM packet transmit count: 0
    Last error: None

Show OAM CFM Statistics

This command displays OAM CFM statistics.

show oam cfm statistics <option>

Option Description

-

Without any option, the command shows CFM statistics for all interfaces.

interface

Shows CFM statistics for the specified logical interface.

Example: CFM statistics for all interfaces

supervisor@rtbrick.net: cfg> show oam cfm statistics

Interface: ifl-0/0/0/1
  Received Statistics:
    Total packets                      : 1
    Invalid ethernet type              : 0
    Length error                       : 0
    CFM packets                        : 1
    Cross-connect CCM received         : 0
    Invalid CCM version                : 0
    RDI received                       : 0
    Continuity check interval mismatch : 0
    Invalid MD name format             : 0
    Invalid MA name format             : 0
  Sent Statistics:
    Total packets                      : 2
Interface: ifl-0/0/1/1
  Received Statistics:
    Total packets                      : 1
    Invalid ethernet type              : 0
    Length error                       : 0
    CFM packets                        : 1
    Cross-connect CCM received         : 0
    Invalid CCM version                : 0
    RDI received                       : 0
    Continuity check interval mismatch : 0
    Invalid MD name format             : 0
    Invalid MA name format             : 0
  Sent Statistics:
    Total packets                      : 2

Example: CFM statistics for a specific interface

supervisor@rtbrick.net: cfg> show oam cfm statistics interface ifl-0/0/0/1
Interface: ifl-0/0/0/1
  Received Statistics:
    Total packets                      : 205
    Invalid ethernet type              : 0
    Length error                       : 0
    CFM packets                        : 205
    Cross-connect CCM received         : 0
    Invalid CCM version                : 0
    RDI received                       : 0
    Continuity check interval mismatch : 0
    Invalid MD name format             : 0
    Invalid MA name format             : 0
  Sent Statistics:
    Total packets                      : 206

CFM Clear Commands

Clear OAM CFM Statistics

Clear commands allow to reset operational states.

Syntax:

clear oam cfm statistics <option>

Option Description

-

Clears all the CFM statistics.

<interface>

Clears statistics for the specified interface.

Example commands:

clear oam cfm statistics
clear oam cfm statistics interface <interface>