Wireless Access

Occasional Contributor II

Captive portal split tunnel

I'm trying to setup a split-tunnel with captive portal on remote AP's. However, the only examples I'm finding are those with the controller being the DHCP server for those guest users.


The setup isn't the same:

- RAP is connected on remote switch with vlan 1000 tagged.

- VLAN 1000 L3 is a Cisco router provided by the service provider and is the DHCP server (192.168.1.x) and DNS server.

- There is no L3 communication between this router and the controller

- CapPortal should be provided by the controller


How do I proceed with this?

Guru Elite

Re: Captive portal split tunnel

Split Tunnel is only supported when DHCP is obtained from a VLAN that is on the central controller.  DHCP could be provided by the controller or another device that is providing DHCP on that l2 VLAN on the controller.


The reason for this is that the user must have an addressable ip address to be able to communicate back to the datacenter.  If the user gets a non-routable address from the local site, this is not possible.

Colin Joseph
Aruba Customer Engineering

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