Juniper JUNOS 10.1 - CONFIGURATION GUIDE 1-2010 Configuration Manual page 1060

JUNOS 10.1 Network Interfaces Configuration Guide
auto-negotiation (J Series uPIM)
Syntax (auto-negotiation | no-auto-negotiation);
Hierarchy Level [edit interfaces ge-pim/0/0 switch-options switch-port port-number]
Statement introduced in JUNOS Release 8.4.
Release Information
For universal Physical Interface Modules (uPIMs) on J Series Services Routers only,
Description
explicitly enable autonegotiation. If the link speed and duplex are also configured,
the interfaces use the values configured as the desired values in the negotiation.
Include the
If autonegotiation is disabled, the link speed and link mode must be configured.
Autonegotiation is enabled by default.
Default
Options auto-negotiation
no-auto-negotiation
interface—To view this statement in the configuration.
Required Privilege Level
interface-control—To add this statement to the configuration.
Related Topics
990
auto-negotiation (J Series uPIM)
no-auto-negotiation
—Enables autonegotiation.
—Disables autonegotiation.
Configuring J Series Services Router Switching Interfaces on page 608
statement to disable autonegotiation.