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Some LPU boards do not support Y1731

Publication Date:  2013-08-30 Views:  48 Downloads:  0
Issue Description
Customer is trying to configure Ethernet OAM to detect Single-Ended Frame Loss.
But he failed wit error:

[NAL-ASBR-NE40-BB01]cfm version standard

[NAL-ASBR-NE40-BB01]cfm enable

[NAL-ASBR-NE40-BB01]cfm md md1

[NAL-ASBR-NE40-BB01-md-md1]ma ma1

[NAL-ASBR-NE40-BB01-md-md1-ma-ma1]map mpls l2vc 1 tagged

[NAL-ASBR-NE40-BB01-md-md1-ma-ma1]mep mep-id 1 interface gigabitethernet1/0/1.700 inward

Error: The interface is invalid.

I checked customer's configuration in lab and it works perfectly. 

Handling Process
We checked hardware version and boards' type:


[NAL-ASBR-NE40-BB01]dis version slot 1
LPU 1  : uptime is 36 days, 10 hours, 49 minutes
         StartupTime   2013/04/30   01:12:12 
  Host    processor :
  SDRAM Memory Size: 4096M  bytes
  Flash Memory Size:   64M  bytes
  CR5D00L4XX71 version information
  PCB         Version : CR57LPUF41A REV C
  EPLD        Version : 103
  FPGA        Version : 107
  BootROM     Version : 39.0
  BootLoad    Version : 21.0
  FSURTP      Version : Version 2.1 RELEASE 0372
  FSUKERNEL   Version : Version 10.1 RELEASE 0372
  ASE         Version : 110
  PE          Version : 110
  TM          Version : 110
  PIC0: version information
  PCB         Version : CR52L2XXN REV A
  FPGA        Version : 203
  PIC1: version information
  PCB         Version : CR52L2XXN REV A
  FPGA        Version : 203
  MonitorBUS version information:
  Software    Version : 6.36
  Configure license items:
  NULL


Board of such type don't support Y1731 protocol. Only LPUN supports it and part of LPUK.
Wheteher LPUK support Y1731 or not you can find by running the command:

In V6R5SPCB00:
[HUAWEI-diagnose]display loamnet slot 1 register addr 0  num 1 
Version       : LPUK VB/VC LX100(0x01701619) 
Compile time  : 2012-05-12 1 
Packet type   : netstream logic

oam ddr Enabled(0x00008000:0x00000001)
netstream ddr Enabled(0x00002000:0x00000341)
[HUAWEI-diagnose]


In V6R3
[Nsk-NE40E-X3-3-diagnose]efu loamnet slot 3 get 0
Version       : LPUK VB/VC LX100(0x01701617) 
Compile time  : 2011-02-09 0 

oam ddr Enabled(0x00008000:0x00000001)
netstream ddr Enabled(0x00002000:0x00000341)

If version of the board is LX100 LPUK supports it.

Root Cause
Such type of board do not support Y1731.
Solution
Change board to newer one (for example LPUN), which supports Y1731

END