[lug] Bonding (ifenslave) eth0 and wlan0 in 'laptop mode'

[Stephen Queen]

I'm trying to bond to interfaces using ifenslave on a debian laptop into a
single bond0 interface. I see from this wiki entry that it should be
possible.
https://wiki.debian.org/Bonding
See example 2.

The following is from /etc/network/interfaces
auto eth0
        iface eth0 inet manual
        bond-master bond0
        bond-primary eth0
        bond-mode active-backup

auto wlan0
        iface wlan0 inet manual
        wireless-essid Newtem
        wireless-mode Managed
        wireless-channel 6
        bond-master bond0
        bond-primary eth0
        bond-mode active-backup
        bond_updelay 200
        bond_downdelay 200

auto bond0
        iface bond0 inet static
        address 10.14.1.6
        netmask 255.255.0.0
        broadcast 10.14.255.255
        network 10.14.0.0
        bond_updelay 200
        bond_downdelay 200
        bond-slaves none
        bond-primary eth0
        bond-mode active-backup
        bond-miimon 100

This is what cat /proc/net/bonding/bond0  produces
Ethernet Channel Bonding Driver: v3.7.1 (April 27, 2011)

Bonding Mode: fault-tolerance (active-backup)
Primary Slave: eth0 (primary_reselect always)
Currently Active Slave: eth0
MII Status: up
MII Polling Interval (ms): 100
Up Delay (ms): 200
Down Delay (ms): 200

Slave Interface: eth0
MII Status: up
Speed: 100 Mbps
Duplex: full
Link Failure Count: 2
Permanent HW addr: c4:54:44:52:52:77
Slave queue ID: 0

Here is what dmesg has to say about it
[   11.934232] bonding: bond0: making interface eth0 the new active one.
[   11.934310] bonding: bond0: first active interface up!
[   11.934352] bonding: bond0: enslaving eth0 as an active interface with
an up link.
[   11.934794] ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[   12.125464] bonding: bond0: Unable to set down delay as MII monitoring
is disabled
[   12.125679] bonding: bond0: Unable to set up delay as MII monitoring is
disabled
[   12.128778] bonding: unable to update mode of bond0 because interface is
up.
[   12.133440] bonding: bond0: Setting eth0 as primary slave.
[   12.141875] bonding: bond0: Adding slave wlan0.
[   12.294898] bonding: bond0: Setting MII monitoring interval to 100.
[   12.294986] bonding: bond0: Setting down delay to 200.
[   12.295047] bonding: bond0: Setting up delay to 200.
[   12.296795] bonding: unable to update mode of bond0 because interface is
up.
[   12.298352] bonding: bond0: Setting eth0 as primary slave.
[   12.317179] bonding: bond0: link status down for active interface eth0,
disabling it in 200 ms.
[   12.516046] bonding: bond0: link status definitely down for interface
eth0, disabling it
[   12.516097] bonding: bond0: now running without any active interface !

Output of ifconfig
bond0     Link encap:Ethernet  HWaddr c4:54:44:52:52:77
          inet addr:10.14.1.6  Bcast:10.14.255.255  Mask:255.255.0.0
          inet6 addr: fe80::c654:44ff:fe52:5277/64 Scope:Link
          UP BROADCAST RUNNING MASTER MULTICAST  MTU:1500  Metric:1
          RX packets:1731 errors:0 dropped:7 overruns:0 frame:0
          TX packets:686 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:166224 (162.3 KiB)  TX bytes:178171 (173.9 KiB)

eth0      Link encap:Ethernet  HWaddr c4:54:44:52:52:77
          UP BROADCAST RUNNING SLAVE MULTICAST  MTU:1500  Metric:1
          RX packets:1731 errors:0 dropped:1 overruns:0 frame:0
          TX packets:686 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:166224 (162.3 KiB)  TX bytes:178171 (173.9 KiB)
          Interrupt:72

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:110 errors:0 dropped:0 overruns:0 frame:0
          TX packets:110 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:8492 (8.2 KiB)  TX bytes:8492 (8.2 KiB)

wlan0     Link encap:Ethernet  HWaddr c4:54:44:52:52:77
          inet6 addr: fe80::c654:44ff:fe52:5277/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:355 errors:0 dropped:0 overruns:0 frame:32338
          TX packets:37 errors:1 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:14910 (14.5 KiB)  TX bytes:5720 (5.5 KiB)
          Interrupt:28
Output of iwconfig
wlan0     IEEE 802.11abg  ESSID:"Newtem"
          Mode:Managed  Frequency:2.437 GHz  Access Point:
B4:B6:76:4F:0A:F1
          Tx-Power=200 dBm
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Encryption key:off
          Power Management:off

Anyone ever successfully accomplish this? Any ideas on how to get it
working?

Thanks,
Steve
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