I am trying to configure Ethernet bonding for our servers . Both the Ethernet interface in my server are connected to two different network switches physically.
Looks like my Ethernet bonding configuring is OK , but I am seeing packet loss after configuring bonding . Sometimes the packet loss is around 90% .
My /proc/net/bonding/bond0 looks like this
[root@ ~]# cat /proc/net/bonding/bond0
Ethernet Channel Bonding Driver: v3.6.0 (September 26, 2009)
Bonding Mode: adaptive load balancing
Primary Slave: None
Currently Active Slave: eth0
MII Status: up
MII Polling Interval (ms): 0
Up Delay (ms): 0
Down Delay (ms): 0
Slave Interface: eth0
MII Status: up
Speed: 1000 Mbps
Duplex: full
Link Failure Count: 0
Permanent HW addr: e4:e1:5b:d0:11:10
Slave queue ID: 0
Slave Interface: eth1
MII Status: up
Speed: 1000 Mbps
Duplex: full
Link Failure Count: 0
Permanent HW addr: e4:e1:5b:d0:11:14
Slave queue ID: 0
[root@portaldb1 ~]# cat /sys/class/net/bond0/bonding/mode
balance-alb 6
# cat /sys/class/net/bond0/bonding/miimon
0
OS I tried are RHEL 6.2 and CentOS 5.5 , seeing the packet drops in both OS
What I am missing in the configuration ? I tried connecting both the interface to the same switch , but still seeing the packets drops . Any help/suggestions to resolve the issue will be hughly appreciated .
I have observed a similar situation on kernel 3.2.0
This recommendation helps: http://www.spinics.net/lists/netdev/msg184521.html