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General Configuration Information
Dell™ PowerConnect™ 3324/3348 is provided with pre-defined implemented features and setup configuration.
Auto-Negotiation
Auto-negotiation allows a device to advertise modes of operation and share information with another device that shares a point-to-point link segment. This
automatically configures both devices to take maximum advantage of their abilities.
Auto-negotiation is performed completely within the physical layers during link initiation, without any additional overhead to either the MAC or higher protocol
layers. Auto-negotiation allows the ports to do the following:
Advertise their abilities.
l
Acknowledge receipt and understanding of the common modes of operation that both devices share.
l
Reject the use of operational modes that are not shared by both devices.
l
Configure each port for the highest-level operational mode that both ports can support.
l
If connecting a port of the switch to the network interface controller (NIC) of a workstation or server that does not support auto-negotiation or is not set to
auto-negotiation, both the switching port and the NIC must be manually set with the Web browser interface or CLI commands to the same speed and duplex
mode.
NOTICE:
If the station on the other side of the link attempts to auto-negotiate with a port that is manually configured to full duplex, the auto-
negotiation results in the station attempting to operate in half duplex. The resulting mismatch may lead to significant frame loss. This is inherent in the
auto-negotiation standard.
Switching Port Default Settings
The following table describes the Port default settings.
Function
Port speed and mode
Port forwarding state
Port tagging
Head of line blocking prevention On (Enabled)
Flow Control
Back Pressure
Port Default Settings
The following is an example for changing the port speed on port 1/e5 using CLI commands:
console> enable
console# configure
Console (config)# interface ethernet 1/e5
Console (config-if)# speed 100
The following is an example for enabling flow control on port 1/e5 using CLI commands:
Default Setting
10/100M copper ports: auto-negotiation
1000M auto-negotiation
Enabled
No tagging
Off
Off
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