I have two SA4500's running in my enviorment and currently running Active/Passive Clustering using VIP for both external and internal interfaces. I like to use the vlan feature to add other groups and segment them on their own subnet. When I look at configuring vlans and turn on trunking it will break my cluster as the internal interface has no vlan tied to it or is capabale of vlan taggging. Simple network, Two EX4200 with a trunk between them and one SA4500 on each switch Thanks Roger.
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