bondingでActiveなインターフェースの確認方法と変更方法

確認方法

• /proc/net/bonding/bond0

$ cat /proc/net/bonding/bond0
Ethernet Channel Bonding Driver: v3.4.0 (October 7, 2008)
 
Bonding Mode: fault-tolerance (active-backup)
Primary Slave: eth0 ★ eth0 が Primary
Currently Active Slave: eth0 ★ eth0 が Active
MII Status: up
MII Polling Interval (ms): 100
Up Delay (ms): 5000
Down Delay (ms): 0
 
Slave Interface: eth0
MII Status: up
Link Failure Count: 0
Permanent HW addr: 00:0c:29:5d:d3:40
 
Slave Interface: eth2
MII Status: up
Link Failure Count: 0
Permanent HW addr: 00:0c:29:5d:d3:54

変更方法

• eth1 を Active にする

# ifenslave -c bond0 eth1

参考

• bonding設定手順（CentOS 5.4） | kyontra日記
• CentOS/NICの冗長化（bonding設定） - maruko2 Note.
• JF: Linux Kernel 2.4 Documentation: bonding.txt
• Oracle Blogs 日本語のまとめ: [Network] Bonding Parameters Based on Network Layout
• http://extstrg.asabiya.net/pukiwiki/index.php?plugin=attach&pcmd=open&file=Bonding_guide_RHEL5_v1_0.pdf&refer=%A5%DC%A5%F3%A5%C7%A5%A3%A5%F3%A5%B0%A1%CAbonding%A1%CB%A4%C7NIC%A4%F2%BE%E9%C4%B9%B2%BD%A4%B9%A4%EB
• http://osdn.jp/event/kernel2005/pdf/nec.pdf
• Note:1631593.1
• Note:877012.1
• Note:434375.1