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WLC Guest Access Internet Routing

Not sure if this the right forum, but i'm wondering if anyone can explain this.

I have a trunk from the wlc to my router with one switch in between. 

wlc---trunk----3560---trunk---2821

The interface on the wlc and the 2821 both have an ip address and can ping each other.  When a wireless client connects to the guest network they cannot access the internet unless the 3560 switch has an ip address set on the vlan that is trunked from the wlc to the router

wlc(vlan 825 - 10.7.200.2)----trunk-----3560(vlan 825 - 10.7.200.3)-----trunk-----2821(vlan825 - 10.7.200.1)

The gateway for the clients is 10.7.200.1 which is the router.  If i take the ip address off of the vlan interface on the 3560 the trunk is still there, but the clients on the guest network cannot get through.  The gateway on the interface on the wlc is also set to 10.7.200.1

Any ideas why I need that ip address on the 3560?

Dan.

1 REPLY
Cisco Employee

Re: WLC Guest Access Internet Routing

Hi Dan,

you may send the switch "show tech" and the WLC "show run-config" taken with the problematic config for a quick look.

Regards,

Federico

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