ā10-15-2010 02:48 AM - edited ā07-03-2021 07:17 PM
Hi
We are just putting in a new Controller - 5500 type
We are using a WCS .
Someone has raised the issue of whether we can have multiple vlans
per SSID - as otherwise we may have very large broadcast domains
due to the overall design being to have Maybe 3 SSIDs
Guest
Staff
Engineering
I think in SWAN we could get away with dynamic vlans.
We would like to have multiple vlans in each SSID to avoid the above.
Can we do this in the new setup.
Kind Regards
Steve
ā10-15-2010 04:11 AM
Hi Steve,
yes it works just the same.
Enable AAA override on the controller and have interfaces configured for each vlan. Then the ACS can simply push the vlan depending on the user authentication. Users are then split in separate vlans.
Another way of doing is to group APs. You can have a group of APs serving SSID Guest in vlan 1, Employee in vlan 2 and another group of APs serving the same SSIDs but in vlan 3 and 4. It's "per-user" vlan load balancing or "geographic" vlan load balancing.
However, broadcast domains should not be a major concern in wireless as broadcasts are blocked by default. The WLC will proxy for ARP and DHCP.
Regards,
Nicolas
ā10-15-2010 04:40 AM
Steve,
Here is an old document but very usefull, you can use it for your 5500 series too, the principle is the same.
http://www.cisco.com/en/US/products/ps6366/products_configuration_example09186a00808c9bd1.shtml.
Hope this helps,
Tiago
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ā10-15-2010 04:42 AM
And a more recent one:
http://www.cisco.com/en/US/tech/tk722/tk809/technologies_configuration_example09186a008076317c.shtml.
Thanks,
Tiago
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