User's Manual
Table Of Contents
- Getting Started
- Wizards
- Using the Startup Wizard
- Using the Wireless Wizard to Configure the Wireless Settings for ISA550W and ISA570W
- Using the DMZ Wizard to Configure the DMZ Settings
- Using the Dual WAN Wizard to Configure the WAN Redundancy Settings
- Using the Site-to-Site Wizard to Establish the Site-to-Site VPN Tunnels
- Using the Remote Access Wizard to Establish the IPSec VPN Tunnels or SSL VPN Tunnels for Remote Access
- Status
- Networking
- Configuring IP Routing Mode
- Port Management
- Configuring the WAN
- Configuring the WAN Redundancy
- Configuring the VLAN
- Configuring the DMZ
- Configuring the Zones
- Configuring the Routing
- Dynamic DNS
- IGMP
- VRRP
- Configuring the Quality of Service
- Address Management
- Service Management
- Wireless Configuration for ISA550W and ISA570W
- Firewall
- Configuring the Firewall Access Rules to Control Inbound and Outbound Traffic
- Configuring the Firewall Schedule
- Firewall Access Rule Configuration Examples
- Configuring the NAT Rules to Securely Access a Remote Network
- Configuring the Session Settings
- Configuring the Content Filtering to Control Access to Internet
- Configuring the MAC Filtering to Permit or Block Traffic
- Configuring the IP/MAC Binding to Prevent Spoofing
- Configuring the Attack Protection
- Configuring the Application Level Gateway
- Security Services
- VPN
- About VPN
- Configuring the Cisco IPSec VPN Server
- Configuring the Cisco IPSec VPN Client
- Configuring the Site-to-Site VPN
- Configuring the SSL VPN
- Elements of the SSL VPN
- Configuration Tasks to Establish a SSL VPN Tunnel
- Installing the Cisco AnyConnect VPN Client on User’s PC
- Importing the Certificates for User Authentication
- Configuring the SSL VPN Users
- Configuring the SSL VPN Gateway
- Configuring the SSL VPN Group Policies
- Configuring the SSL VPN Portal
- Configuring the L2TP Server
- Configuring the VPN Passthrough
- Viewing the VPN Status
- User Management
- Device Management
- Remote Management
- Administration
- SNMP
- Configuration Management
- Firmware Management
- Log Management
- Managing the Security License
- Managing the Certificates for Authentication
- Configuring the Email Alert Settings
- Configuring the RADIUS Servers
- Configuring the Time Zone
- Device Discovery
- Diagnosing the Device
- Measuring and Limiting Traffic with the Traffic Meter
- Configuring the ViewMaster
- Configuring the CCO Account
- Configuring the Device Properties
- Configuring the Debug Settings
- Troubleshooting
- Technical Specifications and Environmental Requirements
- Factory Default Settings
- Where to Go From Here
Wireless Configuration for ISA550W and ISA570W
Configuring the Radio Settings
Cisco ISA500 Series Integrated Security Appliance Administrator Guide 159
5
• Bandwidth Channel: Choose 20 MHz or choose Auto to let the system
determine the optical bandwidth channel to use. This setting is specific to
802.11n traffic.
• Extension Channel: If you choose Auto as the bandwidth channel, choose
either Lower or Upper.
• U-APSD: Click Enable to enable the Unscheduled Automatic Power Save
Delivery (U-APSD) feature to conserve the power, or click Disable to disable
it.
• SSID Isolation: Click Enable to enable the SSID Isolation feature so that
SSIDs will not be able to see each other when SSIDs belong to the same
VLAN, or click Disable to disable it. When you enable the SSID Isolation
(among SSIDs), traffic on one SSID will not be forwarded to any other SSIDs.
STEP 3 In the SSID Table area, the SSID table lists four predefined SSIDs on your security
appliance. If needed, you can perform the following tasks:
• Enable: Check the box to enable the SSID, uncheck the box to disable the
SSID. By default, all four SSID are enabled.
• SSID Name: Enter an unique identifier for the SSID.
• SSID Broadcast: Check this box to broadcast the SSID in its beacon frames.
All wireless devices within range are able to see the SSID when they scan
for available networks. Uncheck this box to prevent auto-detection of the
SSID. In this case, users must know the SSID to set up a wireless connection
to this SSID. By default, SSID Broadcast is enabled for each SSID.
NOTE Disabling the SSID Broadcast is sufficient to prevent clients from
accidentally connecting to your network, but it will not prevent even
the simplest of attempts by a hacker to connect or monitor
unencrypted traffic. Suppressing the SSID broadcast offers a very
minimal level of protection on an otherwise exposed network (such as
a guest network) where the priority is making it easy for clients to get
a connection and where no sensitive information is available.
• WMM: Check this box to enable the Wi-Fi Multimedia (WMM) QoS feature for
the SSID. WMM refers to QoS over Wi-Fi. QoS enables Wi-Fi SSIDs to
prioritize traffic and optimizes the way shared network resources are
allocated among different applications.