We have an issue that we have been arguing about with my peers on what information is shared between the MXs firewall in the High Availability Pair. We are torn between 2 choices, the spanning-tree state, and the stateful firewall database. Some say the Spanning tree state but I say the stateful firewall database and gave the below explanation, am I correct, or anyone who can suggest differently? Explanation: The MXs in a High Availability pair share the stateful firewall database, which is used to allow the firewall to retain information about its rules and the addresses on which it has been configured. The spanning-tree state is not shared between MXs because it changes as the network topology changes, and High Availability requires that the same topology be presented to both devices at all times.
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