How do routers and switches differ in the OSI model?

	Enterprise security with Michael Gregg
	How can I block my competitor's IP address range from my website?
	What software monitors and locks users from accessing my router?
	Why do we need IP security at the network layer?
	What's the difference between VPN pass-through and multi-tunneling?
	What is a genetic algorithm and where can I learn more about them online?
	Why implementing adequate security challenges LAN administration
	What security measures are recommended for each level of the TCP/IP model?
	What are the best methods for handling rogue access points?
	How to interpret test scan results to assess network vulnerability
	What should I know before implementing a packet sniffer?

	The OSI Model
	What network monitoring tools monitor all OSI layers?
	How can I define the layered approach to protocols?
	How does a Layer 3 switch work in a network?
	OSI -- Securing the stack
	OSI: Securing the Stack, Layer 8 -- Social engineering and security policy
	OSI: Securing the Stack, Layer 7 -- Applications
	OSI: Securing the Stack, Layer 6 -- Encryption
	Network security -- Taking the layered approach
	Is it possible to convert a Layer 2 switch to a Layer 3 switch?
	OSI: Securing the Stack, Layer 4 -- Fingerprinting

	Network Hardware
	Network consolidation in data centers essential to reducing costs
	Why are patch panels required for cabling networks?
	How to configure Cisco's 3750 Layer 3 switch for fallback IOS booting
	Simulators for practicing Cisco's CCNP routing and switching exam
	How can I resolve this remote worker's VPN connection problem?
	Cisco's push for convergence will broaden the role of network pros
	Wireless LAN acquisition by Juniper might make sense in down economy
	Problem connecting to virtual private network (VPN) through Linksys router
	Wireless networking problems combining 802.11n and 802.11g APs cause
	10 Gigabit Ethernet driving a wave of innovation in network switching
	Network Hardware Research