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vm:proxmox:issues:no_dhcp_offer [2022/10/26 20:58] – niziakvm:proxmox:issues:no_dhcp_offer [2022/10/27 21:08] (current) – niziak
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-Solution+===== Workaround ===== 
 Disable MAC learning on bridge. Now it behaves like hub, and every packet will be passed to every port. Disable MAC learning on bridge. Now it behaves like hub, and every packet will be passed to every port.
  
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 +===== Solution =====
 +
 +Upgrade Emulex OC11 card firmware to recent version. More here: [[hw:server:10gbe#firmware]]
 +
 +
 +====== References ======
 +
 +
 +Important:
 +  - [[https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1946028|DHCP Offer not traversing linux bridge]]
 +    - "Ok, I should have waited for the firmware upgrade before posting this. They seemed to be pretty outdated, went from FW v10.2.377.29 to v11.4.1186.4 And............... drum roll......... it worked. Fixed the problem."
 +
 +Others:
   - [[https://forum.proxmox.com/threads/guest-promisc.25090/#post-125788|guest promisc]]   - [[https://forum.proxmox.com/threads/guest-promisc.25090/#post-125788|guest promisc]]
   - [[https://forum.proxmox.com/threads/vm-push-eth-into-promisc-mode.5245/#post-37741|VM-push eth into promisc mode]]   - [[https://forum.proxmox.com/threads/vm-push-eth-into-promisc-mode.5245/#post-37741|VM-push eth into promisc mode]]