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sync-ethernet is not passed

Publication Date:  2012-07-27 Views:  3 Downloads:  0
Issue Description
NE40E-x3 version v600r001c00spce00
two NE40E connect dirrectly by fiber patch-cord. configuration of devices in attach "configuration NE40E-1,NE40E-2
sync-ethernet is not work.

Alarm Information
on NE40E-1 sync-ethernet is normal:
<NE40E-1> display clock source
Master clock source:
Source  Description  Priority  Sa-bit              In-clock ID/SSM  Forcessm  Sourcestate
* 1     BITS0        1         sa4     0 /set                   on                      normal     
  2     BITS1        19        sa4     0 /unknown        on                     abnormal   
  3     LPU1         19         --        0 /prc                   on                      normal     
  4     LPU2         19         --        0 /prc                   on                     abnormal     
  5     LPU3         19        --         0 /unknown        on                     abnormal   
Slave clock source:
Source  Description  Priority  Sa-bit  In-clock ID/SSM  Forcessm  Sourcestate
 1      BITS0        1         sa4       0 /set                   on                     normal     
  2     BITS1        19        sa4     0 /unknown        on                     abnormal   
  3     LPU1         19         --        0 /prc                   on                      normal     
  4     LPU2         19         --        0 /prc                   on                     abnormal     
  5     LPU3         19        --         0 /unknown        on                     abnormal   

but on NE40E-2 is abnormal:
<NE40E-2> display clock source
Master clock source:
Source  Description  Priority  Sa-bit              In-clock ID/SSM  Forcessm  Sourcestate
  1     BITS0        19         sa4     0 /set                   on                      abnormal     
  2     BITS1        19        sa4     0 /unknown        on                       abnormal   
* 3     LPU1         19         --        0 /prc                   on                      normal     
  4     LPU2         19         --        0 /unknown        on                      abnormal     
  5     LPU3         19        --         0 /unknown        on                      abnormal   
Slave clock source:
Source  Description  Priority  Sa-bit  In-clock ID/SSM  Forcessm  Sourcestate
 1      BITS0        19        sa4     0 /unknown        on                     abnormal     
  2     BITS1        19        sa4     0 /unknown        on                     abnormal   
  3     LPU1         19         --        0 /prc                   on                     abnormal     
  4     LPU2         19         --        0 /unknowm       on                     abnormal     
  5     LPU3         19        --         0 /unknown        on                     abnormal   


Handling Process
replacing SFP-module on 8GF-P sub-card we find, that only port 0 and 1 can transmit sync-ethernet.
Root Cause
just replace SFP-module on NE40E-2 from port 3 to port 0
interface GigabitEthernet1/0/0
 description ## TO_NE40E-1 ##
 undo shutdown
 ip address 192.168.1.2 255.255.255.252
 mpls
 mpls te
 mpls rsvp-te
 mpls ldp
 efm enable
#

sync-ethernet start normal on both sides.
Suggestions
when you configure sync-ethernet you need to be sure that link between devices from source to slave on ports 0 and 1, because only this two ports support transmittion of sync-ethernet.

END