Aggregate Interface MAC is not Showing in cisco switch

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Aggregate Interface MAC is not Showing in cisco switch

L2 Linker

Hello Everyone,

We have configured LACP between paloalto and cisco switch and Aggregate Interface is showing up at both end but at peer switch its mac address not showing.


However physical port of other interface mac address is showing on that switch. Please suggest what is next plan of action.


model: PA-5220

sw-version: 9.0.5


L3 Networker

Hi ,

Can you share the PA end configuration ?


We have setup on PA version 9.0.2 and it's working as expected.



L0 Member

I have the same problem.


Someome find the solution for this issue?

On PA we can see the mac-address of the nei switch.


show lacp aggregate-ethernet ae1


AE group: ae1
Members: Bndl Rx state Mux state Sel state
ethernet1/21 yes Current Tx_Rx Selected
ethernet1/22 yes Current Tx_Rx Selected
Status: Enabled
Mode: Passive
Rate: Slow
Max-port: 8
Fast-failover: Disabled
Pre-negotiation: Disabled
Local: System Priority: 32768
System MAC: 58:49:3b:93:78:01
Key: 48
Partner: System Priority: 0
System MAC: e8:e7:32:e2:92:e1--------------------connected switch
Key: 2
Port State
Interface Port
Number Priority Mode Rate Key State
ethernet1/21 36 32768 Passive Slow 48 0x3C
Partner 5126 0 Active Fast 2 0x3F

ethernet1/22 37 32768 Passive Slow 48 0x3C
Partner 9222 0 Active Fast 2 0x3F

Port Counters
Interface LACPDUs Marker Marker Response Error
Sent Recv Sent Recv Sent Recv Unknown Illegal
ethernet1/21 10397404 345768 0 0 0 0 0 0
ethernet1/22 10397401 345767 0 0 0 0 0 0


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Thank you for response, but, my issue is thay mac of pc's not is see um arp table on PA.


The other side is cisco 3850.


 The Mac is visible um all all trunk's but PA not reognize.






when you say your PC mac its mac address is not showing in arp.

How is your mac connected or generating traffic ?


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