ARISTA 7220R Series Enterprise WAN Router Instruction Manual

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Interface Configuration of the Router  

Use the following show command to check whether interfaces are connected, not connected, or error-  

disabled:  

Arista(config)#show interface status  

Port  

Et1  

Et2  

Et3  

Et4  

Et5  

Et6  

Et7  

Name  

Status  

Vlan  

Duplex Speed Type  

Flags Encapsulation  

connected  

connected  

connected  

connected  

connected  

connected  

connected  

1

full  

full  

full  

full  

full  

full  

full  

1G  

1000BASE-T  

1000BASE-T  

1000BASE-T  

1000BASE-T  

1000BASE-T  

10GBASE-SR  

10GBASE-SR  

routed  

routed  

routed  

routed  

routed  

routed  

1G  

1G  

1G  

1G  

10G  

10G  

Use the following show command to display why an interface is error-disabled:  

Arista(config)#show interfaces ET1 status errdisabled  

Port  

----------- ---------------- ------------ ------------------  

Et1 errdisabled speed-misconfigured  

Name  

Status  

Reason  

When a transceiver is in an error-disabled state due to a misconfigured speed, the following syslog message  

is logged:  

bessd[4392]: %ETH-1-LINKMODEUNSUPPORTED: Unsupported link mode 100G/full for  

interface Ethernet1  

Ebra: %ETH-4-ERRDISABLE: speed-misconfigured error detected on Ethernet1.  

Show Commands for Speed and Auto-negotiation Capabilities  

Supported speed and auto-negotiation are displayed by the following command when the transceiver  

is inserted:  

show interfaces <INTERFACES> hardware  

RJ45 port output:  

Arista(config)#show interfaces Ethernet1 hardware Ethernet1  

Model: AWE-7220RP-5TH-2S  

Type: 1000BASE-T  

Speed/duplex: 10M/half,10M/full,100M/half,100M/full,1G/full,auto(default)  

Flowcontrol: rx-(off),tx-(off)  

Autoneg CL28: 10M/half,10M/full,100M/half,100M/full,1G/full  

Error correction: unsupported  

SFP port output:  

Arista(config)#show interfaces Ethernet6 hardware Ethernet6  

Model: AWE-7220RP-5TH-2S  

Type: 1000BASE-SX  

Speed/duplex: 1G/full,auto(default)  

Flowcontrol: rx-(off),tx-(off)  

Error correction: unsupported  

Supported Transceivers  

The on-board SFP ports support a wide range of 1G and 10G pluggable transceivers.  

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10GBASE-CR: 0.5m/1m/3m/5m  

10GBASE-SR(SRL)  

10GBASE-LR(LRL)  

CAB-Q-4S-40G: 0.5m/1m/3m/5m  

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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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