Posted on May 21, 2018 12:08 pm
 |  Asked by RAJMOHAN M
 |  1041 views
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Hi All,

I am planning to use the Arista Matrix switches in a LAG configuration to expand the ports for the Fiber TAP aggregation solution. But I would like to know how the Tool port and Tap port in a LAG group to be configured for TAP Aggregation.If switch 1 is connected to the Analyser. switch 2 needs to send the Aggregated traffic from the TAP ports to the the switch 1 using the LAG port group. How to configure the Port-channel for the correct TAP and Tool port group ?.

Regards, Raj

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Posted by Aesha Parikh
Answered on May 23, 2018 10:04 pm

Hi Raj,

When switches are running in TAP aggregation mode, you should configure port-channel with mode “on” to create a static port-channel. The links between switch1 and switch2 should be bonded with static port-channel (mode on). Switch2 port-channel:
interface Port-Channel10
switchport mode tool
switchport tool group set test1
Switch1 Port-channel:
interface Port-Channel10
switchport mode tap
switchport tap default group test2
Switch1 link to Analyzer
interface Ethernet1/1
switchport mode tool
switchport tool group set test2

Some more info on this link
https://eos.arista.com/danz-tap-aggregation-basic-settings-before-you-start/

Thanks,
Aesha

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