[PVE-User] Bonding and packetloss

Mark Schouten mark at tuxis.nl
Mon Sep 4 15:31:13 CEST 2017


You cannot just LACP over different switches. It should be a stack of switches.


Met vriendelijke groeten,

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Mark Schouten  | Tuxis Internet Engineering
KvK: 61527076 | http://www.tuxis.nl/
T: 0318 200208 | info at tuxis.nl



 Van:   Daniel <daniel at linux-nerd.de> 
 Aan:   PVE User List <pve-user at pve.proxmox.com> 
 Verzonden:   1-9-2017 22:22 
 Onderwerp:   [PVE-User] Bonding and packetloss 

Hi there, 
 
here is a small overview if my Network: 
 
2x HP Switches. Both are connected with 4x 1Gbit with a LACP Trunk to each other – Working as expected. 
 
Now my Problem, I configured all my hosts with Bond Mode 6 and conncted 1 NIC to Switch One and the other to Switch Two 
Sometimes I got packetloss and see a Kernel error like this: vmbr0: received packet on bond0 with own address as source address (addr:0c:c4:7a:aa:5c:e4, vlan:0) 
 
Some hosts are working pretty well and some has Packet Loss. 
After adding some “rules” to a host which has loss the error messages disappear but the loss (less loss) still exists. 
Is there any special hint what can be the matter? When I change to active/passive mode all is fine. 
 
This is my interfaces config which has packetloss: 
 
auto lo 
iface lo inet loopback 
 
iface eno1 inet manual 
 
iface eno2 inet manual 
 
auto bond0 
iface bond0 inet manual 
                slaves eno1 eno2 
                bond_miimon 100 
                bond_mode 6 
 
auto vmbr0 
iface vmbr0 inet static 
                address  10.0.2.111 
                netmask  255.255.255.0 
                gateway  10.0.2.1 
                bridge_ports bond0 
                bridge_stp off 
                bridge_fd 0 
                bridge_maxage 0 
                bridge_ageing 0 
                bridge_maxwait 0 
 
I am absolutely without any glue ☹ tested a lot and nothing really helps to solve this problem. 
 
-- 
Grüsse 
 
Daniel 
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