How do routers and switches differ in the OSI model?

	Enterprise security with Michael Gregg
	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?
	Will WPA2-PSK keep wireless networks safe from war drivers?
	How to train Intrusion detection systems (IDS)
	Can a broadband network installer compromise your network security?
	Do social networking products (blogs) pose network security threats?
	What types of network firewalls are there?
	After a server outage what emergency steps secure your network?
	What protocol works on all layers of OSI?

	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
	How to route L3 switches for a serial LAN design
	How can I configure 10 VLANs with 5 unmanaged switches?
	What is broadcasting and which switch will fix timed-out requests?
	Cisco's ISR inches the company toward openness
	Can routers be configured to send files to appropriate servers?
	How do I configure two leased lines in one router?
	Cisco's new ASR 1000 edge routers improve network integration
	Intelligent network switches on the rise as more is expected of the network
	Why IPv4 and IPv6 don't do fragment reassembly in routers
	How can I check connectivity and ping between sites?
	Network Hardware Research