11.2.2. Настройка маршрутизации в сети

⁠11.2.2. Настройка маршрутизации в сети

Опишите (или скопируйте) конфигурационные файлы настройки OSPF‑маршрутизации с помощью BIRD Routing Daemon.

@S1 : /etc/bird/bird.conf

router id 10.0.4.254;

protocol kernel {
      scan time 20;
      ipv4 { export all; };
}

protocol device {
      scan time 10;
}

protocol ospf SIMPLE {
      ipv4 { export all; };
      area 0.0.0.0 {
             interface "eth1" {
             };
      };
}

@S2 : /etc/bird/bird.conf

router id 10.0.6.254;

protocol kernel {
      scan time 20;
      ipv4 { export all; };
}

protocol device {
      scan time 10;
}

protocol ospf SIMPLE {
      ipv4 { export all; };
      area 0.0.0.0 {
             interface "eth1" {
             };
      };
}

@R1 : /etc/bird/bird.conf

router id 10.0.13.1;

protocol kernel {
      scan time 20;
      ipv4 { export all; };
}

protocol device {
      scan time 10;
}

protocol ospf SIMPLE {
      ipv4 { export all; };
      area 0.0.0.0 {
             interface "eth1" {
             };
      };
}

@R2 : /etc/bird/bird.conf

router id 10.0.13.2;

protocol kernel {
      scan time 20;
      ipv4 { export all; };
}

protocol device {
      scan time 10;
}

protocol ospf SIMPLE {
      ipv4 { export all; };
      area 0.0.0.0 {
             interface "eth1" {
             };
             interface "eth2" {
             };
             interface "eth3" {
             };
      };
}

@R3 : /etc/bird/bird.conf

router id 10.0.13.3;

protocol kernel {
      scan time 20;
      ipv4 { export all; };
}

protocol device {
      scan time 10;
}

protocol ospf SIMPLE {
      ipv4 { export all; };
      area 0.0.0.0 {
             interface "eth1" {
             };
      };
}

С помощью команды bird запустите BIRD на каждом из устройств. С помощью команд управления таблицами маршрутизации убедитесь, что данные о маршрутах успешно добавились в таблицы маршрутизации R‑абонентов.

[root@S1 ~]# bird
[root@S1 ~]#

[root@S2 ~]# bird
[root@S2 ~]#

[root@R1 ~]# bird
[root@R1 ~]# ip route
10.0.4.0/24 via 10.0.13.2 dev eth1 proto bird metric 32
10.0.6.0/24 via 10.0.13.2 dev eth1 proto bird metric 32
10.0.13.0/24 dev eth1 proto kernel scope link src 10.0.13.1
10.0.13.0/24 dev eth1 proto bird scope link metric 32
[root@R1 ~]#

[root@R2 ~]# bird
[root@R2 ~]# ip route
10.0.4.0/24 dev eth2 proto kernel scope link src 10.0.4.2
10.0.4.0/24 dev eth2 proto bird scope link metric 32
10.0.6.0/24 dev eth3 proto kernel scope link src 10.0.6.2
10.0.6.0/24 dev eth3 proto bird scope link metric 32
10.0.13.0/24 dev eth1 proto kernel scope link src 10.0.13.2
10.0.13.0/24 dev eth1 proto bird scope link metric 32
[root@R2 ~]#

[root@R3 ~]# bird
[root@R1 ~]# ip route
10.0.4.0/24 via 10.0.13.2 dev eth1 proto bird metric 32
10.0.6.0/24 via 10.0.13.2 dev eth1 proto bird metric 32
10.0.13.0/24 dev eth1 proto kernel scope link src 10.0.13.3
10.0.13.0/24 dev eth1 proto bird scope link metric 32
[root@R1 ~]#

С помощью команд мониторинга сети проверьте доступность S‑абонентов с R‑абонентов.

[root@R1 ~]# ping -c3 10.0.4.254
PING 10.0.4.254 (10.0.4.254) 56(84) bytes of data.
64 bytes from 10.0.4.254: icmp_seq=1 ttl=63 time=1.26 ms
64 bytes from 10.0.4.254: icmp_seq=3 ttl=63 time=1.20 ms

--- 10.0.4.254 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 1.161/1.207/1.262/0.041 ms

[root@R1 ~]# ping -c3 10.0.6.254
PING 10.0.6.254 (10.0.6.254) 56(84) bytes of data.
64 bytes from 10.0.6.254: icmp_seq=1 ttl=63 time=1.29 ms
64 bytes from 10.0.6.254: icmp_seq=2 ttl=63 time=1.09 ms
64 bytes from 10.0.6.254: icmp_seq=3 ttl=63 time=2.05 ms

--- 10.0.6.254 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 1.087/1.475/2.052/0.416 ms
[root@R1 ~]#

[root@R3 ~]# ping -c3 10.0.4.254
PING 10.0.4.254 (10.0.4.254) 56(84) bytes of data.
64 bytes from 10.0.4.254: icmp_seq=1 ttl=63 time=1.61 ms
64 bytes from 10.0.4.254: icmp_seq=2 ttl=63 time=1.76 ms
64 bytes from 10.0.4.254: icmp_seq=3 ttl=63 time=1.03 ms

--- 10.0.4.254 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 1.027/1.467/1.763/0.317 ms

[root@R3 ~]# ping -c3 10.0.6.254
PING 10.0.6.254 (10.0.6.254) 56(84) bytes of data.
64 bytes from 10.0.6.254: icmp_seq=1 ttl=63 time=1.90 ms
64 bytes from 10.0.6.254: icmp_seq=2 ttl=63 time=1.07 ms
64 bytes from 10.0.6.254: icmp_seq=3 ttl=63 time=1.05 ms

--- 10.0.6.254 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 1.046/1.340/1.903/0.398 ms
[root@R3 ~]#