Working with VSCs
VSC configuration options
5-12
If the AP has learned that a client is capable of transmitting at 5 GHz, the AP refuses the
first association request sent by the client at 2.4 GHz.
Once a client is associated at 5 GHz, the AP will not respond to any 2.4 GHz probes from
the client as long as the client’s signal strength at 5 GHz is greater than -80 dBm (decibel
milliwatt). If the client’s signal strength falls below -80 dBm, then the AP will respond to
2.4 GHz probes from the client without delay.
Note To support band steering, the VSC must be bound to APs with two radios (MSM422,
MSM430, MSM460, or MSM466). One radio must be configured for 2.4 GHz operation and
the other for 5 GHz operation.
Band steering is temporarily suspended on an AP when the radio configured for 5 GHz
operation reaches its maximum number of supported clients.
Wireless clients
Max clients per radio
Specify the maximum number of wireless client stations that can be associated with this
SSID at the same time on each radio.
Allow traffic between nn wireless clients
Use this option to control how wireless clients that are connected to the same VSC can
communicate with each other. The following settings are available:
No: Blocks all inter-client communications.
802.1X: Only authenticated 802.1X clients can communicate.
All: All authenticated and unauthenticated clients can communicate. Default setting.
IPV6: Only authenticated clients using IP version 6 can communicate.
Communicating between different VSCs
Communications between client stations connected to different VSCs can only occur if the
clients are both assigned to the same VLAN. The easiest way to do this is to assign the same
VLAN to both VSCs using the Egress network option in the VSC binding.
Another method, which only works with non-access-controlled VSCs, is to dynamically
assign the same VLAN to two different users via RADIUS or the local user accounts. See User-
assigned VLANs on page 7-6.
In addition, the following rules govern how traffic is exchanged:
Unicast traffic exchanged between VSCs on the same radio is controlled by the setting of
the receiver VSC.
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