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I have a Proxmox server with four network ports eno1, eno2, eno3, eno4. The eno4 is used for management console and internet access using vmbr0 linux bridge. I have created a vmbr1 bridge for the port mirrored destination port eno1. But I am not able to see the traffic when I run Wireshark on promiscuous mode. I have set the VM ethernet port, eno1, vmbr1 in Promiscuous mode only. But still not able to detect the traffic from the source mirror ports.

Proxmox network

network and bridge ports

VM ethernet

arunkannan
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1 Answers1

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Putting this here for anyone else who finds this post as the solution worked for me.

The following will get you promiscuous traffic forwarded to other hosts on a bridge:

brctl setageing vmbr1 0
brctl setfd vmbr1 0

Source: https://monach.us/operations/sending-promisc-traffic-within-proxmox/

fission
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woundedpeacock
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