![Redhat 7.6 网络配置问题](https://linux22.com/image/1602672/Redhat%207.6%20%E7%BD%91%E7%BB%9C%E9%85%8D%E7%BD%AE%E9%97%AE%E9%A2%98.png)
安装 redhat 7.6 时出现不寻常的问题。网络配置未按预期运行,我没有主意。
系统有 2 个接口。第二个接口有 2 个 IP 地址。这是正在设置的配置。
/etc/sysconfig/network
GATEWAY=10.135.149.1
/etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0
ONBOOT=yes
HWADDR=00:50:56:aa:aa:18
TYPE=Ethernet
BOOTPROTO=none
IPADDR0=10.135.209.29
NETMASK0=255.255.255.224
/etc/sysconfig/network-scripts/ifcfg-eth1
DEVICE=eth1
ONBOOT=yes
HWADDR=00:50:56:aa:e2:37
TYPE=Ethernet
BOOTPROTO=none
IPADDR0=10.135.149.8
NETMASK0=255.255.255.224
IPADDR1=10.135.149.18
NETMASK1=255.255.255.224
/etc/sysconfig/network-scripts/route-eth0
10.0.0.0/8 via 10.135.209.1
除路由表外,一切看起来都正确。
ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
link/ether 00:50:56:aa:f1:72 brd ff:ff:ff:ff:ff:ff
inet 10.135.209.30/27 brd 10.135.209.31 scope global noprefixroute eth0
valid_lft forever preferred_lft forever
inet6 fe80::250:56ff:feaa:f172/64 scope link
valid_lft forever preferred_lft forever
3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
link/ether 00:50:56:aa:e1:2a brd ff:ff:ff:ff:ff:ff
inet 10.135.149.8/30 brd 10.135.149.11 scope global noprefixroute eth1
valid_lft forever preferred_lft forever
inet 10.135.149.18/30 brd 10.135.149.19 scope global noprefixroute eth1
valid_lft forever preferred_lft forever
inet6 fe80::250:56ff:feaa:e12a/64 scope link
valid_lft forever preferred_lft forever
default via 10.135.149.1 dev eth0 proto static metric 100
default via 10.135.149.1 dev eth1 proto static metric 101
10.0.0.0/8 via 10.135.209.1 dev eth0 proto static metric 100
10.135.149.1 dev eth0 proto static scope link metric 100
10.135.149.1 dev eth1 proto static scope link metric 101
10.135.149.8/30 dev eth1 proto kernel scope link src 10.135.149.8 metric 101
10.135.149.16/30 dev eth1 proto kernel scope link src 10.135.149.18 metric 101
10.135.209.0/27 dev eth0 proto kernel scope link src 10.135.209.30 metric 100
netstat -rn
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt Iface
0.0.0.0 10.135.149.1 0.0.0.0 UG 0 0 0 eth0
0.0.0.0 10.135.149.1 0.0.0.0 UG 0 0 0 eth1
10.0.0.0 10.135.209.1 255.0.0.0 UG 0 0 0 eth0
10.135.149.1 0.0.0.0 255.255.255.255 UH 0 0 0 eth0
10.135.149.1 0.0.0.0 255.255.255.255 UH 0 0 0 eth1
10.135.149.8 0.0.0.0 255.255.255.252 U 0 0 0 eth1
10.135.149.16 0.0.0.0 255.255.255.252 U 0 0 0 eth1
10.135.209.0 0.0.0.0 255.255.255.224 U 0 0 0 eth0
我不知道为什么,但我似乎得到了 2 个默认路由,一个来自 eth0,另一个来自 eth1。我可以通过声明默认网关设备来解决这个问题,但这意味着该服务器的配置将与其他集群不同。我已将相同的配置应用于其他 91 个相同版本的 redhat 主机,没有任何问题。需要更改什么才能返回预期的行为?
谢谢
答案1
发现问题了。NetworkManager 仍在运行。默认添加了额外的路由。