Здравствуйте, подскажите пожалуйста, как исправить отвалившуюся сеть. Дело в том, что пинги есть по IP-адресам, а пингов по доменным именам нет. Подскажите, где я напортачил с настройками.
Вот настройки моей сети
Спойлер
[altserver@altserver ~]$ 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: enp0s3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
link/ether 08:00:27:d4:f2:0d brd ff:ff:ff:ff:ff:ff
inet 192.168.1.41/24 brd 192.168.1.255 scope global dynamic noprefixroute enp0s3
valid_lft 85476sec preferred_lft 74676sec
inet6 fe80::a00:27ff:fed4:f20d/64 scope link
valid_lft forever preferred_lft forever
3: enp0s8: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
link/ether 08:00:27:6b:57:3b brd ff:ff:ff:ff:ff:ff
inet 192.168.0.33/24 brd 192.168.0.255 scope global dynamic noprefixroute enp0s8
valid_lft 85477sec preferred_lft 74677sec
inet6 fe80::a00:27ff:fe6b:573b/64 scope link
valid_lft forever preferred_lft forever
4: enp0s9: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
link/ether 08:00:27:f5:34:3a brd ff:ff:ff:ff:ff:ff
inet 172.16.1.1/24 brd 172.16.1.255 scope global enp0s9
valid_lft forever preferred_lft forever
inet6 fe80::a00:27ff:fef5:343a/64 scope link
valid_lft forever preferred_lft forever
Настройка первого сетевого интерфейса
Спойлер
[altserver@altserver ~]$ cat /etc/net/ifaces/enp0s3/options
BOOTPROTO=dhcp
TYPE=eth
CONFIG_WIRELESS=no
SYSTEMD_BOOTPROTO=dhcp4
CONFIG_IPV4=yes
DISABLED=no
NM_CONTROLLED=no
SYSTEMD_CONTROLLED=no
ONBOOT=yes
[altserver@altserver ~]$
Настройка второго сетевого интерфейса
Спойлер
cat /etc/net/ifaces/enp0s8/options
TYPE=eth
CONFIG_WIRELESS=no
BOOTPROTO=dhcp
SYSTEMD_BOOTPROTO=dhcp4
CONFIG_IPV4=yes
DISABLED=no
NM_CONTROLLED=no
SYSTEMD_CONTROLLED=no
ONBOOT=yes
[altserver@altserver ~]$
Настройка третьего сетевого интерфейса
Спойлер
[altserver@altserver ~]$ cat /etc/net/ifaces/enp0s9/options
TYPE=eth
CONFIG_WIRELESS=no
BOOTPROTO=static
SYSTEMD_BOOTPROTO=static
CONFIG_IPV4=yes
DISABLED=no
NM_CONTROLLED=no
SYSTEMD_CONTROLLED=no
[altserver@altserver ~]$
cat /etc/net/ifaces/enp0s9/ipv4address
172.16.1.1/24
cat /etc/net/ifaces/enp0s9/resolv.conf
domain lkmpikt.lan
nameserver 77.88.8.8
nameserver 172.16.1.1
Что есть в iptables
Спойлер
iptables -L
Chain INPUT (policy ACCEPT)
target prot opt source destination
Chain FORWARD (policy ACCEPT)
target prot opt source destination
Chain OUTPUT (policy ACCEPT)
target prot opt source destination
[root@altserver ~]# iptables -L -t nat
Chain PREROUTING (policy ACCEPT)
target prot opt source destination
Chain INPUT (policy ACCEPT)
target prot opt source destination
Chain OUTPUT (policy ACCEPT)
target prot opt source destination
Chain POSTROUTING (policy ACCEPT)
target prot opt source destination
Таблица маршрутизации
Спойлер
route -v
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
default _gateway 0.0.0.0 UG 1002 0 0 enp0s3
default _gateway 0.0.0.0 UG 1003 0 0 enp0s8
172.16.1.0 * 255.255.255.0 U 0 0 0 enp0s9
192.168.0.0 * 255.255.255.0 U 1003 0 0 enp0s8
192.168.1.0 * 255.255.255.0 U 1002 0 0 enp0s3
При пингах выдает такое
Спойлер
ping ya.ru
ping: ya.ru: Temporary failure in name resolution
[root@altserver ~]# ping 1.1.1.1
PING 1.1.1.1 (1.1.1.1) 56(84) bytes of data.
64 bytes from 1.1.1.1: icmp_seq=1 ttl=57 time=17.9 ms
64 bytes from 1.1.1.1: icmp_seq=2 ttl=57 time=17.8 ms
64 bytes from 1.1.1.1: icmp_seq=3 ttl=57 time=17.9 ms
^C
--- 1.1.1.1 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2009ms
rtt min/avg/max/mdev = 17.828/17.889/17.945/0.047 ms
