Configuring Gigabit Ethernet Autonegotiation

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To configure explicit autonegotiation and remote fault, include the auto-negotiation statement and the remote-fault option at the [edit interfaces ge-fpc/pic/port gigether-options] hierarchy level.



[edit interfaces ge-fpc/pic/port  gigether-options]
(auto-negotiation | no-auto-negotiation) remote-fault <local-interface-online |
local-interface-offline>

To enable flow control, include the flow-control statement at the [edit interfaces ge-fpc/pic>/port gigether-options] hierarchy level.

To display Gigabit Ethernet interface details, use the operational mode command show interfaces ge- fpc/pic/port extensive.

Table 55 and Table 56 provide information about the autonegotiation status on local and remote routers with fiber interfaces. The status of the link and LED can vary depending on the level of autonegotiation set and the transmit and receive fiber status.

Table 55: Mode and Autonegotiation Status (Local)

Transmit	Receive	Mode	LED	Link	Autonegotiation Status
ON	ON	Default	Green	UP	Complete
ON	OFF	Default	Red	DOWN
OFF	ON	Default	Red	DOWN
OFF	OFF	Default	Red	DOWN
ON	ON	Default	Red	DOWN
ON	ON	Default	Green	UP	No-autonegotiation
ON	OFF	Default	Red	DOWN
OFF	OFF	Default	Red	DOWN
ON	ON	Default	Green	UP
ON	ON	Default	Red	DOWN
ON	ON	No-autonegotiation	Green	UP	Incomplete
ON	OFF	No-autonegotiation	Red	DOWN
OFF	ON	No-autonegotiation	Green	UP
OFF	OFF	No-autonegotiation	Red	DOWN
ON	ON	No-autonegotiation	Red	DOWN
ON	ON	Explicit	Green	UP	Complete
ON	OFF	Explicit	Red	DOWN
OFF	ON	Explicit	Red	DOWN
OFF	OFF	Explicit	Red	DOWN
ON	ON	Explicit	Red	DOWN
ON	OFF	Explicit+RFI-Offline	Red	DOWN
ON	ON	Explicit	Green	UP	No-autonegotiation
ON	OFF	Explicit	Red	DOWN
OFF	ON	Explicit	Green	UP
OFF	OFF	Explicit	Red	DOWN
ON	ON	Explicit	Red	DOWN
ON	ON	Explicit+RFI-Offline	Green	UP	Complete
OFF	ON	Explicit+RFI-Offline	Red	DOWN
OFF	OFF	Explicit+RFI-Offline	Red	DOWN
ON	ON	Explicit+RFI-Offline	Red	DOWN
ON	ON	Explicit+RFI-Offline	Green	UP	No-autonegotiation
ON	OFF	Explicit+RFI-Offline	Red	DOWN
OFF	ON	Explicit+RFI-Offline	Green	UP
OFF	OFF	Explicit+RFI-Offline	Red	DOWN
ON	ON	Explicit+RFI-Offline	Red	DOWN
ON	ON	Explicit+RFI-Offline	Red	DOWN	Complete
ON	OFF	Explicit+RFI-Offline	Red	DOWN
OFF	ON	Explicit+RFI-Online	Red	DOWN
OFF	OFF	Explicit+RFI-Online	Red	DOWN
ON	ON	Explicit+RFI-Online	Red	DOWN
ON	ON	Explicit+RFI-Online	Green	UP	No-autonegotiation*
ON	OFF	Explicit+RFI-Online	Red	DOWN
OFF	ON	Explicit+RFI-Online	Green	UP
OFF	OFF	Explicit+RFI-Online	Red	DOWN
ON	ON	Explicit+RFI-Online	Green	UP
ON	ON	Explicit+RFI-Online	Red	DOWN
ON	ON	Explicit+RFI-Online	Red	DOWN	Complete
ON	OFF	Explicit+RFI-Online	Red	DOWN
OFF	ON	Explicit+RFI-Online	Red	DOWN
OFF	OFF	Explicit+RFI-Online	Red	DOWN
ON	ON	Explicit+RFI-Online	Red	DOWN
ON	ON	Explicit+RFI-Online	Green	UP	Complete

Table 56: Mode and Autonegotiation Status (Remote)

Transmit	Receive	Mode	LED	Link	Autonegotiation Status
ON	ON	Default	Green	UP	Complete
ON	ON	Default	Red	DOWN
ON	OFF	Default	Red	DOWN
OFF	ON	Default	Red	DOWN
OFF	OFF	Default	Red	DOWN
ON	ON	No-autonegotiation	Green	UP	Incomplete
ON	ON	No-autonegotiation	Red	DOWN
ON	OFF	No-autonegotiation	Red	DOWN
OFF	ON	No-autonegotiation	Green	UP
OFF	OFF	No-autonegotiation	Red	DOWN
ON	ON	No-autonegotiation	Green	UP	Incomplete
ON	ON	No-autonegotiation	Red	DOWN
ON	ON	No-autonegotiation	Red	DOWN
ON	OFF	No-autonegotiation	Red	DOWN
OFF	ON	No-autonegotiation	Green	UP
OFF	OFF	No-autonegotiation	Red	DOWN
ON	ON	Default	Green	UP	Complete
ON	ON	Default	Red	DOWN
ON	OFF	Default	Red	DOWN
OFF	ON	Default	Red	DOWN
OFF	OFF	Default	Red	DOWN
ON	ON	Explicit	Green	UP	Complete
ON	ON	Explicit	Red	DOWN
ON	OFF	Explicit	Red	DOWN
OFF	ON	Explicit	Red	DOWN
OFF	OFF	Explicit	Red	DOWN
ON	ON	No-autonegotiation	Green	UP	Incomplete
ON	ON	No-autonegotiation	Red	DOWN
ON	OFF	No-autonegotiation	Red	DOWN
OFF	ON	No-autonegotiation	Green	UP
OFF	OFF	No-autonegotiation	Red	DOWN
ON	ON	Explicit	Red	DOWN	Complete
ON	OFF	Explicit	Red	DOWN
OFF	ON	Explicit	Red	DOWN
OFF	OFF	Explicit	Red	DOWN
ON	ON	Default	Green	UP	Complete
ON	ON	Default	Red	DOWN
ON	OFF	Default	Red	DOWN
OFF	ON	Default	Red	DOWN
OFF	OFF	Default	Red	DOWN
ON	ON	No-autonegotiation	Green	UP	Incomplete
ON	ON	No-autonegotiation	Green	UP
ON	ON	No-autonegotiation	Red	DOWN
ON	ON	No-autonegotiation	Red	DOWN
ON	OFF	No-autonegotiation	Red	DOWN
OFF	ON	No-autonegotiation	Green	UP
OFF	OFF	No-autonegotiation	Red	DOWN
ON	ON	Explicit+RFI-Offline	Red	DOWN	Complete
ON	ON	Explicit+RFI-Offline	Red	DOWN
ON	ON	Explicit+RFI-Offline	Red	DOWN
ON	ON	Explicit+RFI-Offline	Red	DOWN
ON	OFF	Explicit+RFI-Offline	Red	DOWN
OFF	ON	Explicit+RFI-Offline	Red	DOWN
OFF	OFF	Explicit+RFI-Offline	Red	DOWN
ON	ON	Explicit	Green	UP	Complete
ON	ON	Explicit	Red	DOWN
ON	ON	Explicit	Red	DOWN
ON	ON	Explicit	Red	DOWN
ON	OFF	Explicit	Red	DOWN
OFF	ON	Explicit	Red	DOWN
OFF	OFF	Explicit	Red	DOWN
ON	ON	Default	Green	UP	Complete
ON	ON	Default	Red	DOWN
ON	ON	Default	Red	DOWN
ON	ON	Default	Red	DOWN
ON	OFF	Default	Red	DOWN
OFF	ON	Default	Red	DOWN
OFF	OFF	Default	Red	DOWN
ON	ON	No-autonegotiation	Green	UP	Incomplete
ON	ON	No-autonegotiation	Green	UP
ON	ON	No-autonegotiation	Red	DOWN
ON	ON	No-autonegotiation	Red	DOWN
ON	OFF	No-autonegotiation	Red	DOWN
OFF	ON	No-autonegotiation	Green	UP
OFF	OFF	No-autonegotiation	Red	DOWN
ON	ON	Explicit+RFI-Offline	Green	UP	Complete
ON	ON	Explicit+RFI-Offline	Red	DOWN
ON	ON	Explicit+RFI-Offline	Red	DOWN
ON	ON	Explicit+RFI-Offline	Red	DOWN
ON	OFF	Explicit+RFI-Offline	Red	DOWN
OFF	ON	Explicit+RFI-Offline	Red	DOWN
OFF	OFF	Explicit+RFI-Offline	Red	DOWN
ON	ON	Explicit+RFI-Online	Green	UP	Complete
ON	ON	Explicit+RFI-Online	Red	DOWN
ON	ON	Explicit+RFI-Online	Red	DOWN
ON	ON	Explicit+RFI-Online	Red	DOWN
ON	OFF	Explicit+RFI-Online	Red	DOWN
OFF	ON	Explicit+RFI-Online	Red	DOWN
OFF	OFF	Explicit+RFI-Online	Red	DOWN

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