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    Network evolution: adding redundancy paths inside multi-WAN CARP HA and a 3-layer network

    Scheduled Pinned Locked Moved Routing and Multi WAN
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    • R Offline
      Rod21
      last edited by

      Hello everybody,
      I want to upgrade my network that is currently a multi-WAN CARP HA built around 2 8300-MAX appliances :
      actual-network.png
      As you can see, there are 2 big problems on that network :

      • The Zyxel switches placed upstream of appliances are distributing one fiber each. I want to use them to build a MSTP network (I already assigned a VLAN for each fiber) ; I don't know how to do that.
      • Enterasys and FS switches placed downstream of appliances are SPOF (especially Enterasys that is the heart of the entire LAN, both buildings are off if there's a problem on it).

      This is my vision of the future network:
      future-network.png
      In this vision, I need help:

      • How to connect both appliances and both new LAN Zyxels and make sure CARP is still working properly ?
      • Are the upstream "old" Zyxels correctly connected between them, appliances and ISP routers ? Do you think CARP will still work properly too in that side of the network ?
      • Is the 3-layer network correct ?
        Thanks in advance for your help !
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