– 219 –
8
General Security Measures
This switch supports many methods of segregating traffic for clients attached to
each of the data ports, and for ensuring that only authorized clients gain access to
the network. Port-based authentication using IEEE 802.1X is commonly used for
these purposes. In addition to these method, several other options of providing
client security are described in this chapter. These include port-based
authentication, which can be configured to allow network client access
by specifying a fixed set of MAC addresses. The addresses assigned to DHCP clients
can also be carefully controlled with IP Source Guard and DHCP Snooping
commands.
Table 45: General Security Commands
Command Group
Function
Port Security
*
* The priority of execution for these filtering commands is Port Security, Port Authentication,
Network Access, Web Authentication, Access Control Lists, DHCP Snooping, and then IP Source
Guard.
Configures secure addresses for a port
802.1X Port
Authentication
*
Configures host authentication on specific ports using 802.1X
Network Access
*
Configures MAC authentication and dynamic VLAN assignment
Web Authentication
*
Configures Web authentication
Access Control Lists
*
Provides filtering for IP frames (based on address, protocol, TCP/UDP
port number or TCP control code) or non-IP frames (based on MAC
address or Ethernet type)
DHCP Snooping
*
Filters untrusted DHCP messages on unsecure ports by building and
maintaining a DHCP snooping binding table
IP Source Guard
*
Filters IP traffic on insecure ports for which the source address cannot
be identified via DHCP snooping nor static source bindings
ARP Inspection
Validates the MAC-to-IP address bindings in ARP packets
DoS Protection
Protects against Denial-of-Service attacks
Port-based Traffic
Segmentation
Configures traffic segmentation for different client sessions based on
specified downlink and uplink ports
Summary of Contents for EX-3524
Page 2: ......
Page 28: ...Figures 28 ...
Page 34: ...Section I Getting Started 34 ...
Page 58: ...Chapter 1 Initial Switch Configuration Setting the System Clock 58 ...
Page 72: ...Chapter 2 Using the Command Line Interface CLI Command Groups 72 ...
Page 156: ...Chapter 5 SNMP Commands Notification Log Commands 156 ...
Page 164: ...Chapter 6 Remote Monitoring Commands 164 ...
Page 218: ...Chapter 7 Authentication Commands Management IP Filter 218 ...
Page 268: ...Chapter 8 General Security Measures Port based Traffic Segmentation 268 ...
Page 292: ...Chapter 9 Access Control Lists ACL Information 292 ...
Page 312: ...Chapter 10 Interface Commands Power Savings 312 ...
Page 324: ...Chapter 11 Link Aggregation Commands Trunk Status Display Commands 324 ...
Page 366: ...Chapter 15 Address Table Commands 366 ...
Page 428: ...Chapter 17 VLAN Commands Configuring Voice VLANs 428 ...
Page 572: ...Chapter 25 IP Interface Commands IPv6 Interface 572 ...
Page 578: ...Section I Appendices 578 ...