#StackBounty: #networking #debian #hp #bonding Setup 802.3ad bonding under Debian Jessie with a HP 1920G switch

Bounty: 50

I’ve got a Debian Jessie server with two Intel i350 onboard 1Gbps NICs which I would like to bridge using 802.3ad protocol to my HP 1920G 48port managed switch.

Here is the kernel I’m running

~ % uname -a
Linux ltsp 4.9.0-0.bpo.3-amd64 #1 SMP Debian 4.9.30-2+deb9u5~bpo8+1 (2017-09-28) x86_64 GNU/Linux

I’ve setup the switch’s LACP ports 3 & 4 for the 802.3ad, but when I try to connect my bonded network it complains that ‘The ports configuration is improper for being attached’.
HP 1920 LACP config

In my /etc/modules I have

# /etc/modules: kernel modules to load at boot time.
# This file contains the names of kernel modules that should be loaded
# at boot time, one per line. Lines beginning with "#" are ignored.


I’ve installed ifenslave

sudo apt install ifenslave-2.6

Here is the /etc/network/interfaces file

auto lo
iface lo inet loopback

# bond0 is the bonding NIC and can be used like any other normal NIC.
# bond0 is configured using static network information.
auto bond0
iface bond0 inet static
    dns-search lan
    # Use IEEE 802.3ad LACP bonding protocol
    bond-mode 4
    bond-miimon 100
    bond-slaves none

#eth2 is manually configured, and slave to the “bond0” bonded NIC
allow_hotplug eth2
auto eth2
iface eth2 inet manual
      bond-master bond0
      bond-primary eth2

#eth3 ditto, thus creating a 2-link bond.
allow_hotplug eth3
auto eth3
iface eth3 inet manual
      bond-master bond0

Which gives the output

~ % cat /proc/net/bonding/bond0
Ethernet Channel Bonding Driver: v3.7.1 (April 27, 2011)

Bonding Mode: IEEE 802.3ad Dynamic link aggregation
Transmit Hash Policy: layer2 (0)
MII Status: up
MII Polling Interval (ms): 100
Up Delay (ms): 0
Down Delay (ms): 0

802.3ad info
LACP rate: slow
Min links: 0
Aggregator selection policy (ad_select): stable

Slave Interface: eth2
MII Status: up
Speed: 1000 Mbps
Duplex: full
Link Failure Count: 0
Permanent HW addr: 00:25:90:e6:e9:67
Slave queue ID: 0
Aggregator ID: 1
Actor Churn State: none
Partner Churn State: churned
Actor Churned Count: 0
Partner Churned Count: 1

Slave Interface: eth3
MII Status: up
Speed: 1000 Mbps
Duplex: full
Link Failure Count: 0
Permanent HW addr: 00:25:90:e6:e9:66
Slave queue ID: 0
Aggregator ID: 2
Actor Churn State: churned
Partner Churn State: churned
Actor Churned Count: 1
Partner Churned Count: 1

This doesn’t work. I cannot ping this machine on What am I missing here?

Get this bounty!!!

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