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If multiple SRX clusters exist on the same L2 broadcast domain, is the same cluster ID used?

April 26, 2017broadcast cluster Clusters domain exist Id L2 srx Used

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If multiple SRX clusters exist on the same L2 broadcast domain, is the same cluster ID used?

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If you have multiple SRX clusters on the same L2 broadcast domain, you must use different cluster ID numbers, because the cluster ID is used to form the virtual MAC address that is used for the RETH interface. Therefore if you use the same cluster ID then you will have a MAC address overlap and forwarding problems will occur. The figure below shows how the MAC address is calculated for a RETH interface.