NIC bonding doesnt work

[shangsuo]

try to bond two NIC but cant seem to work. Any experts can offer any advice?
Suspect vmware simply doesnt support virtual machine running NIC bonding but I cant be sure

switch: vmware workstation virtual network
os:Oracle Enterprise Linux r5u5 x64

*note /etc/modprobe.conf is deprecated. Now uses /etc/modprobe.d/abc.conf
http://docs.redhat.com/docs/en-US/Re...aces-chan.html

#configuration:
vi /etc/modprobe.d/bonding.conf
:<<:
alias bond0 bonding
alias bond1 bonding
:

vi /etc/sysconfig/network-scripts/ifcfg-bond0
:<<:
#bond eth0 and eth1
DEVICE=bond0
IPADDR=192.168.70.51
NETMASK=255.255.255.0
ONBOOT=yes
BOOTPROTO=none
USERCTL=no
#mii monitoring interval 100ms. Mode=1 active/backup
BONDING_OPTS="miimon=100 mode=1"
:
vi /etc/sysconfig/network-scripts/ifcfg-eth0
:<<:
#slave of bond0
DEVICE=eth0
BOOTPROTO=none
ONBOOT=yes
MASTER=bond0
SLAVE=yes
USERCTL=no
:
vi /etc/sysconfig/network-scripts/ifcfg-eth1
:<<:
#slave of bond0
DEVICE=eth1
BOOTPROTO=none
ONBOOT=yes
MASTER=bond0
SLAVE=yes
USERCTL=no
:

#check
route -n
:<<:
Destination Gateway Genmask Flags Metric Ref Use Iface
10.10.10.48 0.0.0.0 255.255.255.248 U 0 0 0 eth2
192.168.70.0 0.0.0.0 255.255.255.0 U 0 0 0 bond0
192.168.132.0 0.0.0.0 255.255.255.0 U 0 0 0 bond1
169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 bond1
0.0.0.0 192.168.70.2 0.0.0.0 UG 0 0 0 bond0
:

cat /proc/net/bonding/bond0
:<<:
Ethernet Channel Bonding Driver: v3.4.0 (October 7, 2008)

Bonding Mode: fault-tolerance (active-backup)
Primary Slave: None
Currently Active Slave: eth0
MII Status: up
MII Polling Interval (ms): 100
Up Delay (ms): 0
Down Delay (ms): 0

Slave Interface: eth0
MII Status: up
Link Failure Count: 0
Permanent HW addr: 00:0c:29:00:98:40

Slave Interface: eth1
MII Status: up
Link Failure Count: 0
Permanent HW addr: 00:0c:29:00:98:4a
:

ifconfig
:<<:
bond0 Link encap:Ethernet HWaddr 00:0C:29:00:98:40
inet addr:192.168.70.51 Bcast:192.168.70.255 Mask:255.255.255.0
inet6 addr: fe80::20c:29ff:fe00:9840/64 Scope:Link
UP BROADCAST RUNNING MASTER MULTICAST MTU:1500 Metric:1
RX packets:6180 errors:0 dropped:0 overruns:0 frame:0
TX packets:4681 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:509171 (497.2 KiB) TX bytes:763684 (745.7 KiB)

eth0 Link encap:Ethernet HWaddr 00:0C:29:00:98:40
UP BROADCAST RUNNING SLAVE MULTICAST MTU:1500 Metric:1
RX packets:5720 errors:0 dropped:0 overruns:0 frame:0
TX packets:4462 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:476087 (464.9 KiB) TX bytes:755170 (737.4 KiB)

eth1 Link encap:Ethernet HWaddr 00:0C:29:00:98:40
UP BROADCAST RUNNING SLAVE MULTICAST MTU:1500 Metric:1
RX packets:477 errors:0 dropped:0 overruns:0 frame:0
TX packets:237 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:34206 (33.4 KiB) TX bytes:11478 (11.2 KiB)
:

#testing. Incoming:use another box to ping to bond0 192.168.70.51. Outgoinging to gateway 192.168.70.2
ifdown eth0
cat /proc/net/bonding/bond0
:<<:
Bonding Mode: fault-tolerance (active-backup)
Primary Slave: None
Currently Active Slave: eth1
MII Status: up
MII Polling Interval (ms): 100
Up Delay (ms): 0
Down Delay (ms): 0

Slave Interface: eth1
MII Status: up
Link Failure Count: 0
Permanent HW addr: 00:0c:29:00:98:4a
:

###result:failed. Ping no reply


ifup eth0
ifdown eth1
cat /proc/net/bonding/bond0
:<<:
Bonding Mode: fault-tolerance (active-backup)
Primary Slave: None
Currently Active Slave: eth0
MII Status: up
MII Polling Interval (ms): 100
Up Delay (ms): 0
Down Delay (ms): 0

Slave Interface: eth0
MII Status: up
Link Failure Count: 0
Permanent HW addr: 00:0c:29:00:98:40
:

###resultass. Ping have reply

It seems only eth0 is functioning. I have another bond1 with mode=1(round robin) which show exact behaviour.
Anyone to shed a light on these?