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Connecting Physical Cables

Single Chassis Systems

It is not necessary to connect Sync ports in a single Chassis system. This is because communication between SGMs are handled internally by the Chassis infrastructure.

Dual Chassis system with a Cross cable

  • eth1-Sync in chassis1 connects to eth1-Sync in chassis2.
  • eth2-Sync in chassis1 is connects to eth2-Sync in chassis2.

Dual Chassis system with the Sync Bond on the switch

  • Configure all ports in the switch in the same VLAN broadcast domain.
  • Each switch configures a bond for its chassis.

Dual chassis system without a Sync Bond on a the switch

  • eth1-Sync communicates over VLAN X.
  • eth2-Sync communicates over VLAN Y.
  • Configure switches for VLAN access on each related port.

    Configure "Link State Tracking" (Cisco), or an equivalent mechanism, so that Sync port peers go Down on both Chassis after a failure on one Chassis. If you do not do this, and the Sync port fails on one Chassis, the related peer Sync port will stay UP.

 
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