[j-nsp] VC ports not working until they are reset

Andreas Schlee andreas.schlee at godaddy.com
Mon Aug 27 11:21:58 EDT 2018


Hello,

After reboot of our QFX5100 / EX4300 Mixed virtual chassis we lost connection
to several units.  We can see the VC-Ports being up but they cannot see their
neighbor.

We deleted the Ports 1/2 of fpc4 and reset it as vc-port. After that the
connection worked again. The same has been done two times more with several
other connections to get a fully working virtual chassis again.

We see this quite often, nearly everytime we rebooted one of our VCs on
different VC.

Does anyone else notice such a problem with VC ports? This does not seem to be
a physical problem because the ports are working after they are being deleted
and set again as VC port.

After bootup:
                                                Mstr           Mixed Route Neighbor List 
Member ID  Status   Serial No    Model          prio  Role      Mode  Mode ID  Interface    
0 (FPC 0)  Prsnt    XXXXXXXXXXXX qfx5100-48t-6q 129   Master*      Y  VC   9  vcp-255/0/48
                                                                           1  vcp-255/0/50
1 (FPC 1)  Prsnt    XXXXXXXXXXXX ex4300-48t       0   Linecard     Y  VC   0  vcp-255/1/0                         
                                                                           2  vcp-255/1/2     
2 (FPC 2)  Prsnt    XXXXXXXXXXXX ex4300-48t       0   Linecard     Y  VC   1  vcp-255/1/0 
                                                                           3  vcp-255/1/2 
3 (FPC 3)  Prsnt    XXXXXXXXXXXX ex4300-48t       0   Linecard     Y  VC   2  vcp-255/1/0
                                                                           4  vcp-255/1/2 
4 (FPC 4)  Prsnt    XXXXXXXXXXXX ex4300-48t       0   Linecard     Y  VC   3  vcp-255/1/0 
5 (FPC 5)  NotPrsnt XXXXXXXXXXXX qfx5100-48t-6q                                           
6 (FPC 6)  NotPrsnt XXXXXXXXXXXX ex4300-48t                                                                        
7 (FPC 7)  NotPrsnt XXXXXXXXXXXX ex4300-48t                                                                                       
8 (FPC 8)  NotPrsnt XXXXXXXXXXXX ex4300-48t                                              
9 (FPC 9)  Prsnt    XXXXXXXXXXXX ex4300-48t       0   Linecard     Y  VC   0  vcp-255/1/2 


fpc4:
--------------------------------------------------------------------------
Interface   Type              Trunk  Status       Speed        Neighbor
or                             ID                 (mbps)       ID  Interface
PIC / Port
1/0         Configured         -1    Up           40000        3   vcp-255/1/2
1/2         Configured         -1    Up           40000
1/3         Configured               Absent
1/1         Configured               Absent

fpc9:
--------------------------------------------------------------------------
Interface   Type              Trunk  Status       Speed        Neighbor
or                             ID                 (mbps)       ID  Interface
PIC / Port
1/0         Configured         -1    Up           40000
1/2         Configured         -1    Up           40000        0   vcp-255/0/48
1/3         Configured               Absent
1/1         Configured               Absent


> request virtual-chassis vc-port delete pic-slot 1 port 2 member 4
fpc4:
--------------------------------------------------------------------------
Port deletion initiated, use cmd show virtual-chassis vc-port to verify

{master:0}
> show virtual-chassis vc-port member 4
fpc4:
--------------------------------------------------------------------------
Interface   Type              Trunk  Status       Speed        Neighbor
or                             ID                 (mbps)       ID  Interface
PIC / Port
1/0         Configured         -1    Up           40000        3   vcp-255/1/2
1/3         Configured               Absent
1/1         Configured               Absent

{master:0}
> request virtual-chassis vc-port set pic-slot 1 port 2 member 4
fpc4:
--------------------------------------------------------------------------
Port conversion initiated,  use show virtual-chassis vc-port to verify

{master:0}

> show virtual-chassis vc-port member 4
fpc4:
--------------------------------------------------------------------------
Interface   Type              Trunk  Status       Speed        Neighbor
or                             ID                 (mbps)       ID  Interface
PIC / Port
1/0         Configured         -1    Up           40000        3   vcp-255/1/2
1/2         Configured         -1    Up           40000        5   vcp-255/0/48
1/3         Configured               Absent
1/1         Configured               Absent

{master:0}              


Member ID  Status   Serial No    Model          prio  Role      Mode  Mode ID  Interface
0 (FPC 0)  Prsnt    XXXXXXXXXXXX qfx5100-48t-6q 129   Master*      Y  VC   9  vcp-255/0/48
                                                                           1  vcp-255/0/50
1 (FPC 1)  Prsnt    XXXXXXXXXXXX ex4300-48t       0   Linecard     Y  VC   0  vcp-255/1/0
                                                                           2  vcp-255/1/2
2 (FPC 2)  Prsnt    XXXXXXXXXXXX ex4300-48t       0   Linecard     Y  VC   1  vcp-255/1/0
                                                                           3  vcp-255/1/2
3 (FPC 3)  Prsnt    XXXXXXXXXXXX ex4300-48t       0   Linecard     Y  VC   2  vcp-255/1/0
                                                                           4  vcp-255/1/2
4 (FPC 4)  Prsnt    XXXXXXXXXXXX ex4300-48t       0   Linecard     Y  VC   3  vcp-255/1/0
                                                                           5  vcp-255/1/2
5 (FPC 5)  Prsnt    XXXXXXXXXXXX qfx5100-48t-6q 129   Backup       Y  VC   4  vcp-255/0/48
                                                                           6  vcp-255/0/50
6 (FPC 6)  Prsnt    XXXXXXXXXXXX ex4300-48t       0   Linecard     Y  VC   5  vcp-255/1/0
7 (FPC 7)  NotPrsnt XXXXXXXXXXXX ex4300-48t
8 (FPC 8)  NotPrsnt XXXXXXXXXXXX ex4300-48t
9 (FPC 9)  Prsnt    XXXXXXXXXXXX ex4300-48t       0   Linecard     Y  VC   0  vcp-255/1/2



Regards,
Andreas


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