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Wired Networks Thread, Netgear GSM7328 and Palo Alto PA2020 Errors in Technical; Hi, We have just moved our Internet connection from our LEA to Virgin Media but have encountered a problem. When ...
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    Question Netgear GSM7328 and Palo Alto PA2020 Errors

    Hi,

    We have just moved our Internet connection from our LEA to Virgin Media but have encountered a problem. When we connect our network to Virgin Media's co-managed firewall (which is on site), the firewall reports a lot of errors on the 3 interfaces connected to our network but 0 errors on the interface connected to their router. We have connected a laptop direct to the firewall (in its own VLAN) and there are no errors. We've changed the patch leads, disconnected everything else from the switch (just leaving the firewall and laptop connected to it) and plugged the laptop and firewall into a different switch but cannot work out what is causing the errors. Virgin Media are saying that their firewall is configured correctly and because the direct connection to the laptop works without errors it must be our network. We have also tried turning off auto negotiation and setting the ports to 100Mbps Full Duplex which didn't seem to make a difference. We want to keep the ports running at 1Gbps however as our Internet connection is 200Mbps (The Netgear switch won't let us force 1000Mbps Full Duplex).

    The firewall is a Palo Alto PA2020, our switch is a Netgear GSM7328S v2 (Layer 3) and we have a Meru MC1500 wireless controller. We have 4 VLANS (lets just call them 1, 2, 3 and 4 to make it easier).


    Firewall Port: 2 Switch Port: 1 VLAN Membership: 1/T, 3/T PVID: 1
    Firewall Port: 3 Switch Port: 2 VLAN Membership: 2/T PVID: 2


    Firewall Port: 4 MERU Port: 3 VLAN Membership: 4/T PVID: 4

    The only configurations I have made on our switch is its IP, NTP, IGMP Snooping + Querier, 1 x LAG and VLANS + Memberships. Routing is disabled and so is STP.

    Any help/suggestions would be greatly appreciated.

    Thanks in advance,

    Dan

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    Problem solved by setting VLAN 1 and 2 to untagged. I also decided to move VLAN 3 on to a separate interface.



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