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June 18th, 2023 23:00

Port mirroring in VLTi Setup S4148T

White_Ninja_0-1687156290807.png

Hi everyone,

 

I want to mirror a Port of Member 1 of an VLTi on Member 2 of the VLTi.

 

Does this make sense?

 

Do you have an idea about the config?

 

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2.8K Posts

June 19th, 2023 04:00

Hi, I think you can create a monitor session and specify the source and destination ports for mirroring. You also need to enable the monitor session and apply it to the VLT domain. For example:

OS10# configure terminal
OS10 (config)# monitor session 1
OS10 (conf-mon-sess-1)# source interface ethernet 
OS10 (conf-mon-sess-1)# destination interface ethernet 
OS10 (conf-mon-sess-1)# no shutdown
OS10 (conf-mon-sess-1)# exit
OS10 (config)# vlt-domain 1
OS10 (conf-vlt-1)# monitor session 1

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June 19th, 2023 22:00

Hi, thanks for the quick reply.


I will give this a try.


I ll do this on S4148T-01:

OS10 (conf-mon-sess-1)# source interface ethernet


And this on S4148T-02:

OS10 (conf-mon-sess-1)# source interface ethernet


Correct?

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121 Posts

June 19th, 2023 23:00

sorry is have a typo. its this on switch 02

 

And this on S4148T-02:

OS10 (conf-mon-sess-1)# destination interface ethernet

 

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3.9K Posts

June 20th, 2023 02:00

Hi @White_Ninja,

 

Question, what are you looking into this setup for the purpose? 

 

The configuration is might for local port monitoring. The screenshot you put up, looks like it's remote port monitoring. The command Erman shared is for 1 switch only. 

 

For your reference on remote port monitoring: https://dell.to/3qRd4Op

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2.8K Posts

June 20th, 2023 04:00

Hi, hmm I think you can use VLTi link like below

for example sw01

OS10# configure terminal
OS10 (config)# monitor session 1
OS10 (conf-mon-sess-1)# source interface ethernet 
OS10 (conf-mon-sess-1)# destination remote ip 
OS10 (conf-mon-sess-1)# transport interface port-channel 100
OS10 (conf-mon-sess-1)# no shutdown

sw2

OS10# configure terminal
OS10 (config)# monitor session 1
OS10 (conf-mon-sess-1)# source remote ip 
OS10 (conf-mon-sess-1)# destination interface ethernet 
OS10 (conf-mon-sess-1)# transport interface port-channel 100
OS10 (conf-mon-sess-1)# no shutdown

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June 20th, 2023 04:00

Hi Joey,

I want to monitor all Traffic from the port on Switch 01.

 

Since I want to use the Ports on both switches equally I thought I may use Port 1 on both switches for this. It sounds like you have another recommendation or idea?

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June 20th, 2023 06:00

sure pls let us know how it goes tomorrow.

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121 Posts

June 20th, 2023 06:00

Let me try this tomorrow i ll come back to you.

The transport interface port-channel is the vtli portchannel i already configured between those two vlti switches?

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121 Posts

June 28th, 2023 23:00

sorry i was unexpected out of order....i ll come back to you when i tried this

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2.8K Posts

June 29th, 2023 01:00

thanks for the update, have a good one.

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121 Posts

July 12th, 2023 04:00

Hi, I dont have the go to deploy this in our productive setup, so I need to set up a test environment. I will keep you updated.

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