tlclifton
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How to break bond in Red Hat Ent. but keep IP address on phys I/F
I have a bond which I want to break. eth0 and eth1 participate. eth0 has bond IP. How can I break the bond without causing eth0 to loose the IP (i.e. 'loose connection') ?
here is my bond file:
#more ifcfg-bond1
BOOTPROTO="none"
IPADDR="172.18.99.35"
NETMASK="255.255.255.0"
NETWORK="172.18.99.0"
BROADCAST="172.18.99.255"
MTU="1500"
UNIQUE="eb11640b7bf4500a"
REMOTE_IPADDR=""
STARTMODE="onboot"
BONDING_MASTER="yes"
BONDING_MODULE_OPTS="mode= active-bac kup miimon=100 updelay=200 downdelay=500 use
_carrier=1 primary=eth0"
BONDING_SLAVE_1=eth0
BONDING_SLAVE_2=eth1
#cat /proc/net/bonding/bond1
Ethernet Channel Bonding Driver: v3.2.5 (March 21, 2008)
Bonding Mode: fault-tolerance (active-backup)
Primary Slave: eth0
Currently Active Slave: eth0
MII Status: up
MII Polling Interval (ms): 100
Up Delay (ms): 200
Down Delay (ms): 500
Slave Interface: eth0
MII Status: up
Link Failure Count: 0
Permanent HW addr: 00:1c:c4:df:d9:94
Slave Interface: eth1
MII Status: down
Link Failure Count: 0
Permanent HW addr: 00:1c:c4:df:d9:96
Here is the ifconfig report:
bond1 Link encap:Ethernet HWaddr 00:1C:C4:DF:D9:94
inet addr:172.18.99.35 Bcast:172.18.99.255 Mask:255.255.255.0
inet6 addr: fe80::21c:c4ff:fedf:d994/6 4 Scope:Link
UP BROADCAST RUNNING MASTER MULTICAST MTU:1500 Metric:1
RX packets:752158545 errors:0 dropped:0 overruns:0 frame:0
TX packets:1488720687 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:53475822293 (50998.5 Mb) TX bytes:2098274701122 (2001070.6 Mb)
eth0 Link encap:Ethernet HWaddr 00:1C:C4:DF:D9:94
inet addr:172.18.99.35 Bcast:0.0.0.0 Mask:255.255.255.0
UP BROADCAST RUNNING SLAVE MULTICAST MTU:1500 Metric:1
RX packets:752158545 errors:0 dropped:0 overruns:0 frame:0
TX packets:1488720687 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:53475822293 (50998.5 Mb) TX bytes:2098274701122 (2001070.6 Mb)
Interrupt:177 Memory:fa000000-fa012800
eth1 Link encap:Ethernet HWaddr 00:1C:C4:DF:D9:94
inet addr:172.19.105.25 Bcast:0.0.0.0 Mask:255.255.255.0
UP BROADCAST SLAVE MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
Interrupt:185 Memory:fc000000-fc012800
here is my bond file:
#more ifcfg-bond1
BOOTPROTO="none"
IPADDR="172.18.99.35"
NETMASK="255.255.255.0"
NETWORK="172.18.99.0"
BROADCAST="172.18.99.255"
MTU="1500"
UNIQUE="eb11640b7bf4500a"
REMOTE_IPADDR=""
STARTMODE="onboot"
BONDING_MASTER="yes"
BONDING_MODULE_OPTS="mode=
_carrier=1 primary=eth0"
BONDING_SLAVE_1=eth0
BONDING_SLAVE_2=eth1
#cat /proc/net/bonding/bond1
Ethernet Channel Bonding Driver: v3.2.5 (March 21, 2008)
Bonding Mode: fault-tolerance (active-backup)
Primary Slave: eth0
Currently Active Slave: eth0
MII Status: up
MII Polling Interval (ms): 100
Up Delay (ms): 200
Down Delay (ms): 500
Slave Interface: eth0
MII Status: up
Link Failure Count: 0
Permanent HW addr: 00:1c:c4:df:d9:94
Slave Interface: eth1
MII Status: down
Link Failure Count: 0
Permanent HW addr: 00:1c:c4:df:d9:96
Here is the ifconfig report:
bond1 Link encap:Ethernet HWaddr 00:1C:C4:DF:D9:94
inet addr:172.18.99.35 Bcast:172.18.99.255 Mask:255.255.255.0
inet6 addr: fe80::21c:c4ff:fedf:d994/6
UP BROADCAST RUNNING MASTER MULTICAST MTU:1500 Metric:1
RX packets:752158545 errors:0 dropped:0 overruns:0 frame:0
TX packets:1488720687 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:53475822293 (50998.5 Mb) TX bytes:2098274701122 (2001070.6 Mb)
eth0 Link encap:Ethernet HWaddr 00:1C:C4:DF:D9:94
inet addr:172.18.99.35 Bcast:0.0.0.0 Mask:255.255.255.0
UP BROADCAST RUNNING SLAVE MULTICAST MTU:1500 Metric:1
RX packets:752158545 errors:0 dropped:0 overruns:0 frame:0
TX packets:1488720687 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:53475822293 (50998.5 Mb) TX bytes:2098274701122 (2001070.6 Mb)
Interrupt:177 Memory:fa000000-fa012800
eth1 Link encap:Ethernet HWaddr 00:1C:C4:DF:D9:94
inet addr:172.19.105.25 Bcast:0.0.0.0 Mask:255.255.255.0
UP BROADCAST SLAVE MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
Interrupt:185 Memory:fc000000-fc012800
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