Configuring the CB

  1. Enable SPX on the ICX 7750.

    • Configure spx cb-enable on the active CB unit. The spx cb-enable command adds "lldp run" to the running configuration in FastIron 08.0.40 and earlier. LLDP then runs on all CB ports.

    • If STP is enabled, the system must be reloaded.

    • If STP is enabled in the core, a reload is prompted once the CB is enabled. 

    ICX7750-48F Router(config)# spx cb-enable 
System is now in 802.1br Control Bridge (CB) mode. Add "lldp run" config.
  2. Configure the SPX port or the SPX LAG on the CB.

    Enter the spx-port or spx-lag configuration command for connecting the CB to the PE.

    Note: PE units can join an SPX domain only after at least one working SPX port or SPX LAG has been configured on both the CB and the PE. 

    ICX7750-48F Router(config)# spx cb-configure 
ICX7750-48F Router(config-spx-cb)# spx-lag 1/1/1 1/1/2
ICX7750-48F Router(config-spx-cb)# spx-lag 1/2/6 2/2/6 3/2/6
  3. Configure the PE IDs and name.

    • Optionally, you can configure the PE ID using the pe-id command.

    • If you do not configure the PE ID, the system assigns the available PE IDs based on the join time of the PEs.

    PE Chain 17, 18

    ICX7750-48F Router(config)# spx cb-configure 
ICX7750-48F Router(config-spx-cb)# pe-id 1/1/1 17 18

    PE 19

    ICX7750-48F Router(config)# spx cb-configure 
ICX7750-48F Router(config-spx-cb)# pe-id 1/2/6 19
  4. Verify that the running configuration has the following configuration. 
    ICX7750-48F Router# show running-config | beg cb
spx cb-enable
spx cb-configure
  spx-lag  1/2/6 2/2/6 3/2/6 
  spx-lag  1/1/1 to 1/1/2 
  pe-id 1/1/1 17 18 
  pe-id 1/2/6 19
Parent topic: Bringing Up SPX