Rocky 9 bond0 异常状态

报错信息NetworkManager 叠加了多个连接配置导致 bond0 上出现“多来源 IP”bond0:NO-CARRIER,BROADCAST,MULTICAST,MASTER,UPmtu1500qdisc noqueue state DOWN group default qlen1000link/ether32:f8:3f:87:c3:b9 brd ff:ff:ff:ff:ff:ff inet192.168.2.130/24 brd192.168.2.255 scope global noprefixroute bond0 valid_lft forever preferred_lft forever inet192.168.2.131/24 brd192.168.2.255 scope global secondary noprefixroute bond0 valid_lft forever preferred_lft forever第一步检查 slave 是否存在nmcli device status你应该看到类似ens160 ethernet connected ens192 ethernet disconnected bond0 bond connected如果 ensxxx没有显示为 bond slave就是问题根源。第二步检查 bond 成员cat/proc/net/bonding/bond0如果看到Slave Interface: None 100% 说明没绑成功第三步正确修复 bond建议重建 先删除旧配置nmcli connection delete bond0 nmcli connection delete bond0-ens160 nmcli connection delete bond0-ens192 重新创建 bond0active-backup最稳定 nmcli connectionaddtypebond ifname bond0 con-name bond0\bond.optionsmodeactive-backup,miimon100配 IP只保留一个 IPnmcli connection modify bond0\ipv4.addresses192.168.2.130/24\ipv4.gateway192.168.2.1\ipv4.method manual加入 slave关键步骤nmcli connectionaddtypeethernet ifname ens160 con-name bond0-ens160 master bond0 slave-type bond如果有第二块网卡nmcli connectionaddtypeethernet ifname ens192 con-name bond0-ens192 master bond0 slave-type bond启动nmcli connection up bond0第四步验证是否成功cat/proc/net/bonding/bond0正常应该看到Bonding Mode: active-backup Currently Active Slave: ens160 Slave Interface: ens160 MII Status: up Slave Interface: ens192 MII Status: up常用速查表操作类型命令示例查看所有连接nmcli con show查看指定连接详情nmcli con show bond0修改连接配置nmcli con mod bond0 ...启用连接nmcli con up name停用连接nmcli con down ens160新增连接nmcli con add ...删除连接nmcli con del ens160重载连接配置nmcli con reload重命名连接nmcli con rename ens192 ens224重启网卡systemctl restart NetworkManager