Description

We have two Ex4650 switches and we tried to make those devices into the VC; however, its failed

Solution

  1. In Ex4650 switches we tried to configured the two member VC
  2. When we configured the switches in VC, after few seconds one of the switch went to not present state.

user@switch> show virtual-chassis
Preprovisioned Virtual Chassis
Virtual Chassis ID: XXXX:XXXX:XXXX
Virtual Chassis Mode: Enabled
                                                Mstr           Mixed Route Neighbor List
Member ID  Status   Serial No    Model          prio  Role      Mode  Mode ID  Interface
0 (FPC 0)  Prsnt    XXXXXXXXXXX ex4650-48y-8c  129   Master*      N  VC   1  vcp-255/0/46
1 (FPC 1)  Prsnt    XXXXXXXXXXX ex4650-48y-8c  129   Backup       N  VC   0  vcp-255/0/46

{master:0}[edit]
user@switch> show virtual-chassis
Preprovisioned Virtual Chassis
Virtual Chassis ID: XXXX:XXXX:XXXX
Virtual Chassis Mode: Enabled
                                                Mstr           Mixed Route Neighbor List
Member ID  Status   Serial No    Model          prio  Role      Mode  Mode ID  Interface
0 (FPC 0)  Prsnt    XXXXXXXXXXX ex4650-48y-8c  129   Master*      N  VC
1 (FPC 1)  NotPrsnt XXXXXXXXXXX

 

  1. Checked the port panel document and identified that EX4650 switches do not have dedicated or default-configured VCPs, but you can set any of the 40-Gbps QSFP+ or 100-Gbps QSFP28 uplink ports on the front panel (non-channelized ports 48 through 55) as VCPs. You can’t use any of the other ports (network ports 0 through 47) as VCPs.
  2. Since port number xe-0/0/46 and xe-0/0/47 are used the VC was not forming as expected then we connected two 40G SFPs on port number Et-0/0/48 and Et-0/0/49.
  3. We configured the port 48 and 49 as the vc-ports, post that the VC was forming as expected.


user@switch> show virtual-chassis
Virtual Chassis ID: XXXX:XXXX:XXXX
Virtual Chassis Mode: Enabled
                                                Mstr           Mixed Route Neighbor List
Member ID  Status   Serial No    Model          prio  Role      Mode  Mode ID  Interface
0 (FPC 0)  Prsnt    XXXXXXXXXXX ex4650-48y-8c  128   Backup       N  VC   1  vcp-255/0/48
                                                                           1  vcp-255/0/49
1 (FPC 1)  Prsnt    XXXXXXXXXXX ex4650-48y-8c  128   Master*      N  VC   0  vcp-255/0/48
                                                                           0  vcp-255/0/49
 

Modification History

version 1