Cisco 3020 - Catalyst Blade Switch Configuration Manual page 222

Configuring Ethernet Interfaces
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Changing the interface speed and duplex mode configuration might shut down and re-enable the
Caution
interface during the reconfiguration.
Setting the Type of a Dual-Purpose Uplink Port
The Cisco Catalyst Blade Switch 3020 supports dual-purpose uplink ports. For more information, see
the
Beginning in privileged EXEC mode, follow these steps to select which dual-purpose uplink to activate so
that you can set the speed and duplex. This procedure is optional.
Command
Step 1 configure terminal
Step 2 interface interface-id
Cisco Catalyst Blade Switch 3020 for HP Software Configuration Guide
8-12
If both ends of the line support autonegotiation, we highly recommend the default setting of auto
negotiation.
If one interface supports autonegotiation and the other end does not, configure duplex and speed on
both interfaces; do not use the auto setting on the supported side.
When STP is enabled and a port is reconfigured, the switch can take up to 30 seconds to check for
loops. The port LED is amber while STP reconfigures.
"Dual-Purpose Uplink Ports" section on page 8-4.
Purpose
Enter global configuration mode.
Specify the dual-purpose uplink port to be configured, and enter
interface configuration mode.
Chapter 8 Configuring Interface Characteristics
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