www'trapezenetworks'com

1
Delivering on the Promise of WLANs

• www.trapezenetworks.com

2
Key Challenges of Enterprise WLANs

• Planning and Management
• Design
• Configuration and deployment
• Secure Mobility
• Network access and rogue detection
• Roaming challenges
• Seamless Integration
• Integration with the wired infrastructure
• Building one network

3
Design Challenges

• Do I need a site survey? How can I learn about
  RF?
• How will shared bandwidth on wireless impact
  application performance?

4
Configuration and Deployment Issues

• How many devices will I need to configure?
• What existing equipment will need to be
  reconfigured?

Fat AP
Core WLAN Switch
Distributed WLAN Switches
most configuration
medium configuration
least configuration
AAA
enter each AP
5
Security Challenges

• How do I protect access to the WLAN?

• 802.11 Association
• 802.1X Authentication
• Authorization
• Encryption
• DHCP request
• NOS login

• IPSec VPN login
• IPSec Authentication
• IPSec Encryption

6
Rogue Detection Options

• Listening for beacons
• Misses ad hoc users, cant locate individual
  users
• Snooping wired traffic
• Rogues may not attach to that part of the network
• Listening to all RF traffic (2.4 5 GHz)
• Finds everything rogue APs, users of rogue APs,
  ad hoc users, all users
• Jamming rogue APs
• May impact legitimate production networks
• Need mechanism for accepting third-party APs

7
Rogue Location

• RF Management
• Listen to all communication
• Correlate data
• Identify
• Rogue APs
• Users of rogue APs
• Ad hoc user groups
• Locate
• Triangulation
• Improves with density

RF Management
8
Mobility and Roaming Challenges

• How will users get access to the right resources
  wherever they roam?
• How will applications behave when users roam?

?
9
Mobility and Roaming A Better Way

• Identity-based services vs. port-based or
  SSID-based assignment

10
Network Integration Challenges

• How can I minimize the impact on my existing
  network?
• How many new devices will I need?
• How many devices need configuration?
• Do I need new protocols to support roaming?
• Can I preserve my existing subnets, or do I have
  to create new ones?
• Will wireless break existing security mechanisms
  (ACLs, router ports)?
• Can I build and manage just one network?
• Yes!

AAA
PoE
APs
11
Trapeze Networks Mobility System
Mobility System Software
Mobility Exchange
PDAs
Mobility Point
Laptops
Corporate Backbone

• RADIUS/AAA
• MSFT/IAS Active Directory
• Cisco ACS
• Funk Odyssey (Steel Belted)

Phones
Wired Users
12
Automated Site Survey Plan, Configure, Deploy
13
User and Rogue Location
14
Trapeze Delivers
15

• Thank you!
• www.trapezenetworks.com