Ethernet Bonding
I am trying to bond two interfaces (eth1 and eth2) with mode bonding mode 1 (active-backup). I have successfully set it up but when I try to test it by pulling the cable on eth1, it switched to eth2 but bond0 IP is no loger reacheable.
# bond0 #
DEVICE=bond0
USERCTL=no
BOOTPROTO=dhcp
ONBOOT=yes
# eth1 #
DEVICE=eth1
USERCTL=no
ONBOOT=yes
MASTER=bond0
SLAVE=yes
BOOTPROTO=none
# eth2 #
DEVICE=eth2
USERCTL=no
ONBOOT=yes
MASTER=bond0
SLAVE=yes
BOOTPROTO=none
# modprobe.conf #
alias bond0 bonding
options bond0 mode=1 miimon=100 primary=eth1
Done issuing modprobe -r bonding and below is the /proc result for bond0 after I pulled the cable on eth1. It switched to eth2 but bond0 IP is no longer reacheable.
# /proc/net/bonding/bond0 #
Ethernet Channel Bonding Driver: v3.4.0 (October 7, 2008)
Bonding Mode: fault-tolerance (active-backup)
Primary Slave: eth1 (primary_reselect always)
Currently Active Slave: eth2
MII Status: up
MII Polling Interval (ms): 100
Up Delay (ms): 0
Down Delay (ms): 0
Slave Interface: eth1
MII Status: down
Link Failure Count: 1
Permanent HW addr: xx:xx:xx:xx:xx:43
Slave Interface: eth2
MII Status: up
Link Failure Count: 0
Permanent HW addr: xx:xx:xx:xx:xx:27
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