Cisco 2970 - Catalyst Switch Manual de usuario descargar pdf (Pagina 10)

Cisco Catalyst 3750 and 2970 Switches: Using Switches with a PS Series Group

Many low and mid-range network switches do not support Jumbo Frames. On switches that do

support them, the feature is usually disabled by default, so you need to manually enable it.

Usually, VLANs must be enabled in order to enable Jumbo Frames on switches. See the switch

documentation for details, in addition to Configuring Jumbo Frames in this document.

VLANs

EqualLogic recommends that you use virtual LANs (VLANs) to enable network switches to

separate iSCSI SAN traffic from other network traffic. VLANs provide benefits similar to those of

separate network switches, but with fewer physical switches and less management overhead.

Because VLANs use logical rather than physical connections, they are flexible to operate.

Note: PS Series storage arrays do not support VLAN tagging.

Typically, VLANs are separate subnets in TCP/IP networks, so connectivity between VLANs

usually requires L3 routing, which is a capability of the Cisco Catalyst 3750 and 2970 switches.

VLANs also support different network settings, including Jumbo Frames. See Jumbo Frames for

more information.

Separating iSCSI SAN traffic from LAN traffic also allows you to enable switch-based security

enhancements, including port blocking, address filtering, etc.

Catalyst 3750 and 2970 Switch Configuration

The following sections provide information about configuring Cisco Catalyst 3750 and 2970

switches. For additional information, see:

• Cisco Catalyst 3750 switch:

Website: http://www.cisco.com/en/US/products/hw/switches/ps5023/index.html

Documentation: http://www.cisco.com/univercd/cc/td/doc/product/lan/cat3750/index.htm

• Cisco Catalyst 2970 switch:

Website: http://www.cisco.com/en/US/products/hw/switches/ps5206/index.html

Documentation: http://www.cisco.com/univercd/cc/td/doc/product/lan/cat2970/index.htm

Also, see the following manuals:

• Cisco Catalyst 3750 Switch Software Configuration Guide:

http://www.cisco.com/application/pdf/en/us/guest/products/ps5023/c2001/ccmigration_09186a

008017ed8d.pdf

• Cisco Catalyst 2970 Switch Software Configuration Guide:

http://www.cisco.com/univercd/cc/td/doc/product/lan/cat2970/12119ea1/2970scg/2970scg.pdf

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Cisco 2970 - Catalyst Switch Manual de usuario Pagina 10