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Cisco 3020 - Cisco Catalyst Blade Switch Manual de introducción
Table 1 describes the Cisco Catalyst Blade Switch 3120 for HP switch module ports. Each external
port has an associated LED.
Table 1
Cisco Catalyst Blade Switch 3120 for HP Port Descriptions
Port
Ports 1 to 16
Ports 17 to 18
Ports 19 to 22
Ports 23 to 26
Internal 100BASE-T
Ethernet port
StackWise Plus ports
Console port

Cisco Catalyst Blade Switch 3020 for HP

The Cisco Catalyst Blade Switch 3020 for HP is a 24-Gigabit Ethernet port, Layer 2+ switch module.
Sixteen of the Gigabit Ethernet ports are internal 1000BASE-X downlink ports that connect to the
blade enclosure. The other eight Gigabit Ethernet ports are external uplink ports that provide
connections to other switches or routers. Uplink ports operate at 10/100/1000 M/ps if used as
copper-based ports and operate at 1000 M/ps if small form-factor pluggable (SFP) fiber-optic modules
are installed. See Table 2 for more detailed descriptions of the switch module ports.
6
Description
Internal Gigabit Ethernet 1000BASE-X downlink ports that connect to the
blade enclosure.
Internal cross-connection ports that you can use to connect to a second
switch in the blade enclosure through a backplane connector. You can
configure these ports by using the Cisco IOS CLI. However, if the blade
switches are stacked, these ports are disabled.
10-Gigabit Ethernet module slots for use with the Cisco TwinGig Converter
Modules and Cisco X2 transceiver modules.
External 10/100/1000BASE-T copper Gigabit Ethernet uplink ports that
support auto-MDIX and autonegotiation.
The Ethernet management port (Fa0) is used only for switch module
management traffic, not for data traffic. It is connected to the
Onboard Administrator through the blade enclosure backplane connector.
Traffic to and from this port is isolated from the switch ports. This port
only supports autonegotiation with 100 Mb/s and full-duplex mode.
Stacking cable ports.
Switch module management port (RJ-45 connector).