Simple Ring Configuration Example

The following example shows how to set up a simple Extended Edge Switching ring configuration (see CB with Simple Ring Topology).
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CB with Simple Ring Topology
  1. Attach BPEs.
  2. On the CB, enable VPEX mode:
    5520.1 # enable vpex
    5520.1 # reboot
    Are you sure you want to reboot the switch? (y/N) Yes
    Slot-1 VPEX 5520.1 #
    Note

    Note

    After reboot, command prompt changes to show that you are in VPEX mode.
  3. Configure slot identifiers associated with the first-tier BPEs in cascades 1 and 2:
    Slot-1 VPEX 5520.1 # configure vpex port 1:10 slot 110
    WARNING: This command will remove VLAN membership from the
             port 1:10.
             Do you want to continue? (y/N)Yes
    
    Slot-1 VPEX 5520.2 # configure vpex port 1:20 slot 120
    WARNING: This command will remove VLAN membership from the
             port 1:20.
             Do you want to continue? (y/N)Yes
    
    Slot-1 VPEX 5520.3 # show slot
    Slots    Type                 Configured           State       Ports   Flags
    --------------------------------------------------------------------------------
    Slot-1   5520        5520        Operational   64    M
    Slot-110 V400-48p-10GE4                            Operational   52
    Slot-120 V400-48p-10GE4                            Operational   52
    Flags : M - Backplane link to Master is Active
            B - Backplane link to Backup is also Active
            D - Slot Disabled
            I - Insufficient Power (refer to "show power budget")
    
    Slot-1 VPEX 5520.9 # show vpex
    Virtual Port Extender: Enabled
    Cascade
    Port     Slot
    =============
    1:10     110
    1:20     120
    Note

    Note

    Observe that the show slot command shows the CB as slot 1 with the two BPEs as slots 110 and 120.
    Note

    Note

    Observe that the show vpex command shows that ports 1:10 and 1:20 are the cascade ports connecting to the BPEs.
  4. Configure slot identifiers associated with the second-tier BPEs in cascades 1 and 2:
    Slot-1 VPEX 5520.1 # configure vpex port 110:49 slot 130
    WARNING: This command will remove VLAN membership from the
             port 110:49.
             Do you want to continue? (y/N)Yes
    
    Slot-1 VPEX 5520.2 # configure vpex port 120:49 slot 140
    WARNING: This command will remove VLAN membership from the
             port 120:49.
             Do you want to continue? (y/N)Yes
    
    Slot-1 VPEX 5520.3 # show slot
    Slots    Type                 Configured           State       Ports   Flags
    --------------------------------------------------------------------------------
    Slot-1   5520        5520        Operational   64    M
    Slot-110 V400-48p-10GE4                            Operational   52
    Slot-120 V400-48p-10GE4                            Operational   52
    Slot-130 V400-48p-10GE4                            Operational   52
    Slot-140 V400-48p-10GE4                            Operational   52
    Flags : M - Backplane link to Master is Active
            B - Backplane link to Backup is also Active
            D - Slot Disabled
            I - Insufficient Power (refer to "show power budget")
    
    Slot-1 VPEX 5520.9 # show vpex
    Virtual Port Extender: Enabled
    Cascade
    Port     Slot
    =============
    1:10     110
    1:20     120
    110:49   130
    120:49   140
    Note

    Note

    Observe that the show slot command shows the CB as slot 1 with the four BPEs as slots 110, 120, 130, and 140.
    Note

    Note

    Observe that the show vpex command shows that ports 1:10, 1:20, 110:49, and 120:49 are the cascade ports connecting to the BPEs.
  5. Connect the end of cascade 1 to cascade 2 to form the ring:
    <Noti:VPEX.Ring.Dtect> Slot-1: Ring detected between ports 140:49 and 130:49