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如何在 RHEL 6.4 服务器中配置绑定桥接？

tag-icon • tag-icon linux networking bridge rhel6 bonding
如何在 RHEL 6.4 服务器中配置绑定桥接？

已安装系统 (rhel-server-6.4-x86_64-dvd.iso)。KVM 已设置。主机和客户机分配了各自的 IP 地址，为此桥配置br0一切正常。现在我们必须建立起桥梁。

在主机上进行以下设置：

[root@server ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth0 
DEVICE=eth0
HWADDR=f0:92:1c:0f:76:f8
MASTER=bond0
SLAVE=yes
ONBOOT=yes

[root@server ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth1
DEVICE=eth1
HWADDR=F0:92:1C:0F:76:FC
MASTER=bond0
SLAVE=yes
ONBOOT=yes

[root@server ~]# cat /etc/sysconfig/network-scripts/ifcfg-bond0 
DEVICE=bond0
ONBOOT=yes
BRIDGE="br0"

[root@server ~]# cat /etc/modprobe.conf 
alias bond0 bonding
options bond0 mode=1 miimon=100

[root@server ~]# cat /etc/sysconfig/network-scripts/ifcfg-br0 
DEVICE="br0"
NM_CONTROLLED="no"
ONBOOT="yes"
TYPE="Bridge"
BOOTPROTO="static"
IPADDR="10.2.26.39"
GATEWAY="10.2.26.1"
MTU="1500"
NETMASK="255.255.255.0"
DEFROUTE="yes"
IPV4_FAILURE_FATAL="yes"
IPV6INIT="no"
NAME="System br0"

查看：

[root@server ~]# cat /proc/net/bonding/bond0
Ethernet Channel Bonding Driver: v3.6.0 (September 26, 2009)

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: eth0
MII Status: down
Speed: Unknown
Duplex: Unknown
Link Failure Count: 0
Permanent HW addr: f0:92:1c:0f:76:f8
Slave queue ID: 0

Slave Interface: eth1
MII Status: up
Speed: 10000 Mbps
Duplex: full
Link Failure Count: 0
Permanent HW addr: f0:92:1c:0f:76:fc
Slave queue ID: 0

eth0被拒绝了。尽管我期望看到类似以下内容：

[root@server ~]# cat /proc/net/bonding/bond0
Ethernet Channel Bonding Driver: v3.6.0 (September 26, 2009)

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
Speed: 10000 Mbps
Duplex: full
Link Failure Count: 0
Permanent HW addr: f0:92:1c:0f:d5:e8
Slave queue ID: 0

Slave Interface: eth1
MII Status: up
Speed: 10000 Mbps
Duplex: full
Link Failure Count: 0
Permanent HW addr: f0:92:1c:0f:d5:ec
Slave queue ID: 0

问题本身在一个主题中，如何在 RHEL 6.4 服务器中配置桥接？

答案1

这是正确的配置，但有几点需要注意：

  • alias bond0 bonding你根本不需要
  • 绑定配置应该与BONDING_OPTSifcfg-bondX 中的相同，而不是在 modprobe 中
  • 向您的桥添加一个DELAY=0，以防止它等待接口启动

事实上，eth0 故障与桥接或绑定无关，请对物理接口进行故障排除。ethtool eth0将显示它未检测到链接。

重新安装电缆，更换电缆，尝试不同的交换机端口，尝试不同的 NIC。

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