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How does a Central managed APX NAT Guest WiFi interact with the XGS Gateway?

JeffCooper

HI,

This is more of an academic question.

I'm setting up a new Guest WiFi at my office and using APXs managed by SC and it seems to be working. I have it set to NAT rather than Bridged, but I'm puzzled by how it gets through the XGS. The APX's DHCP Server hands a client an address, and I don't see that address (or network) in the gateway anywhere, but clients can get out to the internet, so it must be going through the gateway ... somewhere.

Does it use some sort of VLAN but hidden from admins to isolate the traffic? Would any XGS firewall rules apply?

Thanks,

Jeff



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    My question would be: is this setting actually causing the AP to do NAT? If so, by definition it would say that all client traffic from that AP (on that SSID) will only have the AP's IP address. So any rules that would attempt to use Source IP (other than the AP's IP) would not be triggered, since they'll never see traffic from that SSID (across that VLAN) with any IP except the APs.

    But I've never seen that option before, so I'm just guessing.

    If I'm right, you could still apply specific rules to that SSID, do content or destination URL filtering, IPS, etc, etc, but you could never do something based on a client's IP or user. Just a guess, though.

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    My question would be: is this setting actually causing the AP to do NAT? If so, by definition it would say that all client traffic from that AP (on that SSID) will only have the AP's IP address. So any rules that would attempt to use Source IP (other than the AP's IP) would not be triggered, since they'll never see traffic from that SSID (across that VLAN) with any IP except the APs.

    But I've never seen that option before, so I'm just guessing.

    If I'm right, you could still apply specific rules to that SSID, do content or destination URL filtering, IPS, etc, etc, but you could never do something based on a client's IP or user. Just a guess, though.

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