Cisco ASR 901 User Manual

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Cisco ASR 901 Aggregation Services Router Command Reference Guide
OL-26031-07
Chapter 1 CLI Command Reference
negotiation
negotiation
To enable advertisement of speed, duplex mode, and flow control on a Gigabit Ethernet interface, use
the negotiation command in interface configuration mode. To disable automatic negotiation, use the no
negotiation auto command.
negotiation {auto}
no negotiation auto
Syntax Description
Command Default Autonegotiation is enabled.
Command Modes Interface configuration (config-if)
Command History
Usage Guidelines The negotiation auto command is used instead of the duplex and speed commands (which are used on
Ethernet to automatically configure the duplex and speed settings of the interfaces.
The no negotiation auto command is used to disable the autonegotiation. If the speed is set to 1000
Mbps and full-duplex is set for the Gigabit Ethernet interface in small form-factor pluggable (SFP)
mode, then the autonegotiation is disabled (forced mode) using the no negotiation auto command.
Related Commands
auto Enables the autonegotiation protocol to configure the speed, duplex, and
automatic flow control of the Gigabit Ethernet interface. This is the default.
Release Modification
15.1(2)SNG Support for this command was introduced on the Cisco ASR 901 router.
Command Description
show interfaces gigabitethernet Displays information about the Gigabit Ethernet interfaces.

Cisco ASR 901 Specifications

General

Brand	Cisco
Model	ASR 901
Category	Network Router
Language	English