ARISTA 7220R Series Enterprise WAN Router Instruction Manual

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Ports  

Speed/ Auto-negotiation  

RJ45 (Et1-Et4)  

1G/100M Full duplex/100M  

Half duplex/10M Full  

duplex/10M Half duplex  

autoneg clause 28  

Et5  

1G/100M full duplex/10M full  

duplex  

autoneg clause 28  

1G/10G full duplex  

SFP (Et6-Et7)  

(Auto-negotiation 1G is  

not supported)  

When a transceiver is inserted, EOS recognizes the transceiver type. To see which types of transceivers are  

supported, refer to the Supported Transceivers. EOS decides the capable speed/auto-negotiation satisfied by  

the hardware and the modules. To view the show commands and example outputs, refer to Show Commands  

for Speed and Auto-negotiation Capabilities.  

When there is no speed configuration on the interface, EOS applies the default speed. On an RJ45 port, the  

default configuration is auto-negotiation enabled with 10G. On an SFP+ port, the default configuration is auto-  

negotiation disabled with 10G.  

Speed Configuration  

This section describes the configuration of interface speed and auto-negotiation.  

Interface speed and auto-negotiation are configured using the speedspeed-lane-tokencommands as  

shown in the following examples:  

To configure 10G speed with auto-negotiation disabled:  

Arista(config-if-Et1)#speed 10g  

To configure 1G speed with auto-negotiation disabled:  

Arista(config-if-Et1)#speed 1g  

To configure 10G speed with auto-negotiation enabled:  

Arista(config-if-Et5)#speed auto 10gfull  

To configure 1G speed with auto-negotiation enabled:  

Arista(config-if-Et1)#speed auto 1gfull  

To remove speed configuration:  

Arista(config-if-Et1)#no speed  

Note: If the selected speed and auto-negotiation combination is unsupported (either based on the  

inserted transceiver or due to the interface capabilities), the interface is put into an error-disabled state  

with “speed-misconfigured” as the cause.  

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General	Details
Name	ARISTA 7220R Series Enterprise WAN Router Instruction Manual
Make	ARISTA
Language	English
Filetype	PDF (Download)
File size	0.55 MB

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