I have 1 server running the latest CentOS 6 version
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uname -a
Linux nc-9.emea 2.6.32-504.16.2.el6.x86_64 #1 SMP Wed Apr 22 06:48:29 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
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02:00.0 Ethernet controller: Intel Corporation 82580 Gigabit Network Connection (rev 01)
02:00.1 Ethernet controller: Intel Corporation 82580 Gigabit Network Connection (rev 01)
I have configured my 2 NICs to be bonded into a single bond0
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$> cat /etc/sysconfig/network-scripts/ifcfg-bond0
[root@nc-9 ~]# cat /etc/sysconfig/network-scripts/ifcfg-bond0
DEVICE=bond0
ONBOOT=yes
BOOTPROTO=none
USRCTL=none
NOZEROCONF=yes
IPADDR=109.104.120.12
GATEWAY=109.104.120.1
NETMASK=255.255.255.192
DNS1=192.168.1.100
DNS2=8.8.8.8
MTU=9000
BONDING_OPTS="mode=4 lacp_rate=fast miimon=80 ad_select=1"
[root@nc-9 ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0
ONBOOT=yes
SLAVE=yes
MASTER=bond0
BOOTPROTO=none
MTU=9000
[root@nc-9 ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth1
DEVICE=eth1
ONBOOT=yes
SLAVE=yes
MASTER=bond0
BOOTPROTO=none
MTU=9000
Checking the proc/sys config I get:
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[root@nc-9 network-scripts]# cat /proc/net/bonding/bond0
Ethernet Channel Bonding Driver: v3.6.0 (September 26, 2009)
Bonding Mode: IEEE 802.3ad Dynamic link aggregation
Transmit Hash Policy: layer2 (0)
MII Status: up
MII Polling Interval (ms): 80
Up Delay (ms): 0
Down Delay (ms): 0
802.3ad info
LACP rate: fast
Aggregator selection policy (ad_select): bandwidth
Active Aggregator Info:
Aggregator ID: 7
Number of ports: 1
Actor Key: 17
Partner Key: 1
Partner Mac Address: 00:00:00:00:00:00
Slave Interface: eth0
MII Status: up
Speed: 1000 Mbps
Duplex: full
Link Failure Count: 0
Permanent HW addr: e8:9a:8f:74:11:ac
Aggregator ID: 7
Slave queue ID: 0
Slave Interface: eth1
MII Status: up
Speed: 1000 Mbps
Duplex: full
Link Failure Count: 0
Permanent HW addr: e8:9a:8f:74:11:ad
Aggregator ID: 8
Slave queue ID: 0
Has anyone any idea why ? What could I have missed so far ?
If you need more details from my system, feel free to ask