Источник http://altlinuxmetod.ru/?page_id=385
ADM-HQ:
Создаём туннельный интерфейс tunnel.1 в сторону RTR-BR с IP-адресом 10.0.1.1/30:
Заполняем форму Добавление GRE-туннеля
- Должно получиться следующее:
Аналогично и для tunnel.2:
- ожидаемый результат
Настраиваем статическую маршрутизацию в сети BR и COD:
Заполняем форму Добавление маршрута
Результат:
Добавляем аналогичным образом маршрут в сеть COD:
- ожидаемый результат
RTR-BR:
Создаём туннельные интерфейсы:
enable
conf t
interface tunnel.1
description "GRE-to-FW-HQ"
ip address 10.0.1.2/30
ip tunnel 84.212.78.78 63.27.18.18 mode gre
exit
interface tunnel.3
description "GRE-to-RTR-COD"
ip address 10.0.3.2/30
ip tunnel 84.212.78.78 34.95.33.33 mode gre
exit
write memory
Проверить:
rtr-br#show interface tunnel.1
Interface tunnel.1 is up
Description: "GRE-to-FW-HQ"
Snmp index: 8
Ethernet address: (port not configured)
MTU: 1476
Tunnel source: 84.212.78.78
Tunnel destination: 63.27.18.18
Tunnel mode: GRE
Tunnel keepalive: disabled
NAT: no
ARP Proxy: disable
ICMP redirects on, unreachables on, ttl-exceeded on
IP URPF is disabled
Label switching is disabled
<UP,BROADCAST,RUNNING,NOARP,MULTICAST>
inet 10.0.1.2/30 broadcast 10.0.1.3/30
Link-local address is fe80::a681:aaff:fe46:36f4/64
total input packets 0, bytes 0
total output packets 0, bytes 0
rtr-br#show interface tunnel.3
Interface tunnel.3 is up
Description: "GRE-to-RTR-COD"
Snmp index: 9
Ethernet address: (port not configured)
MTU: 1476
Tunnel source: 84.212.78.78
Tunnel destination: 34.95.33.33
Tunnel mode: GRE
Tunnel keepalive: disabled
NAT: no
ARP Proxy: disable
ICMP redirects on, unreachables on, ttl-exceeded on
IP URPF is disabled
Label switching is disabled
<UP,BROADCAST,RUNNING,NOARP,MULTICAST>
inet 10.0.3.2/30 broadcast 10.0.3.3/30
Link-local address is fe80::96b5:38ff:fe6f:f8b4/64
total input packets 0, bytes 0
total output packets 0, bytes 0
rtr-br#
Добавляем статические маршруты в сети офиса HQ:
conf t
ip route 10.1.1.0/27 10.0.1.1
ip route 10.1.1.32/28 10.0.1.1
ip route 10.1.2.0/24 10.0.1.1
write memory
Проверить:
rtr-br#show ip route static
IP Route Table for VRF "default"
S 10.1.1.0/27 [1/0] via 10.0.1.1, tunnel.1
S 10.1.1.32/28 [1/0] via 10.0.1.1, tunnel.1
S 10.1.2.0/24 [1/0] via 10.0.1.1, tunnel.1
Gateway of last resort is not set
rtr-br#
C ADM-PC проверить доступность FW-BR, SRV-BR и CLI-BR:
[user@adm-hq ~]$ ping -c3 fw-br
PING fw-br.au.team (10.2.0.2) 56(84) bytes of data.
64 bytes from fw-br.au.team (10.2.0.2): icmp_seq=1 ttl=63 time=62.6 ms
64 bytes from fw-br.au.team (10.2.0.2): icmp_seq=2 ttl=63 time=62.8 ms
64 bytes from fw-br.au.team (10.2.0.2): icmp_seq=3 ttl=63 time=61.9 ms
--- fw-br.au.team ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 61.891/62.415/62.765/0.377 ms
[user@adm-hq ~]$ ping -c3 srv-br
PING srv-br.au.team (10.2.1.10) 56(84) bytes of data.
64 bytes from srv-br.au.team (10.2.1.10): icmp_seq=1 ttl=62 time=51.9 ms
64 bytes from srv-br.au.team (10.2.1.10): icmp_seq=2 ttl=62 time=50.3 ms
64 bytes from srv-br.au.team (10.2.1.10): icmp_seq=3 ttl=62 time=48.9 ms
--- srv-br.au.team ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 48.876/50.371/51.939/1.251 ms
[user@adm-hq ~]$ ping -c3 10.2.2.2
PING 10.2.2.2 (10.2.2.2) 56(84) bytes of data.
64 bytes from 10.2.2.2: icmp_seq=1 ttl=62 time=18.7 ms
64 bytes from 10.2.2.2: icmp_seq=2 ttl=62 time=16.9 ms
64 bytes from 10.2.2.2: icmp_seq=3 ttl=62 time=14.9 ms
--- 10.2.2.2 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 14.919/16.821/18.682/1.536 ms
[user@adm-hq ~]$
Настраиваем OSPF для обмена маршрутной информацией с RTR-COD:
conf t
router ospf 2
passive-interface default
no passive-interface tunnel.3
network 10.0.3.0/30 area 0
exit
write memory
Проверить:
rtr-br#show run ospf
!
!
router ospf 1
passive-interface default
no passive-interface int1
network 10.2.0.0/30 area 1
default-information originate
!
router ospf 2
passive-interface default
no passive-interface tunnel.3
network 10.0.3.0/30 area 0
no capability cspf
!
rtr-br#
RTR-COD:
Создаём туннельные интерфейсы:
enable
conf t
interface tunnel.2
description "GRE-to-FW-HQ"
ip address 10.0.2.2/30
ip tunnel 34.95.33.33 63.27.18.18 mode gre
exit
interface tunnel.3
description "GRE-to-RTR-BR"
ip address 10.0.3.1/30
ip tunnel 34.95.33.33 84.212.78.78 mode gre
exit
write memory
Проверить:
rtr-cod#show interface tunnel.2
Interface tunnel.2 is up
Description: "GRE-to-FW-HQ"
Snmp index: 7
Ethernet address: (port not configured)
MTU: 1476
Tunnel source: 34.95.33.33
Tunnel destination: 63.27.18.18
Tunnel mode: GRE
Tunnel keepalive: disabled
NAT: no
ARP Proxy: disable
ICMP redirects on, unreachables on, ttl-exceeded on
IP URPF is disabled
Label switching is disabled
<UP,BROADCAST,RUNNING,NOARP,MULTICAST>
inet 10.0.2.2/30 broadcast 10.0.2.3/30
Link-local address is fe80::c6ec:9eff:fe6d:69c9/64
total input packets 0, bytes 0
total output packets 0, bytes 0
rtr-cod#show interface tunnel.3
Interface tunnel.3 is up
Description: "GRE-to-RTR-BR"
Snmp index: 8
Ethernet address: (port not configured)
MTU: 1476
Tunnel source: 34.95.33.33
Tunnel destination: 84.212.78.78
Tunnel mode: GRE
Tunnel keepalive: disabled
NAT: no
ARP Proxy: disable
ICMP redirects on, unreachables on, ttl-exceeded on
IP URPF is disabled
Label switching is disabled
<UP,BROADCAST,RUNNING,NOARP,MULTICAST>
inet 10.0.3.1/30 broadcast 10.0.3.3/30
Link-local address is fe80::16e6:dff:fe31:8737/64
total input packets 0, bytes 0
total output packets 4, bytes 256
rtr-cod#
Добавляем статические маршруты в сети офиса HQ:
conf t
ip route 10.1.1.0/27 10.0.2.1
ip route 10.1.1.32/28 10.0.2.1
ip route 10.1.2.0/24 10.0.2.1
write memory
C ADM-PC проверить доступность всех устройств COD:
[user@adm-hq ~]$ ping -c1 rtr-cod
PING rtr-cod.au.team (172.16.1.254) 56(84) bytes of data.
64 bytes from rtr-cod.au.team (172.16.1.254): icmp_seq=1 ttl=63 time=31.0 ms
--- rtr-cod.au.team ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 31.009/31.009/31.009/0.000 ms
[user@adm-hq ~]$ ping -c1 sw-cod
PING sw-cod.au.team (172.16.1.0) 56(84) bytes of data.
64 bytes from sw-cod.au.team (172.16.1.0): icmp_seq=1 ttl=63 time=27.8 ms
--- sw-cod.au.team ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 27.802/27.802/27.802/0.000 ms
[user@adm-hq ~]$ ping -c1 ha1-cod
PING ha1-cod.au.team (172.16.0.1) 56(84) bytes of data.
64 bytes from ha1-cod.au.team (172.16.0.1): icmp_seq=1 ttl=63 time=32.9 ms
--- ha1-cod.au.team ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 32.857/32.857/32.857/0.000 ms
[user@adm-hq ~]$ ping -c1 ha2-cod
PING ha2-cod.au.team (172.16.0.2) 56(84) bytes of data.
64 bytes from ha2-cod.au.team (172.16.0.2): icmp_seq=1 ttl=63 time=59.9 ms
--- ha2-cod.au.team ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 59.887/59.887/59.887/0.000 ms
[user@adm-hq ~]$ ping -c1 srv1-cod
PING srv1-cod.au.team (172.16.1.1) 56(84) bytes of data.
64 bytes from srv1-cod.au.team (172.16.1.1): icmp_seq=1 ttl=63 time=17.6 ms
--- srv1-cod.au.team ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 17.582/17.582/17.582/0.000 ms
[user@adm-hq ~]$ ping -c1 srv2-cod
PING srv2-cod.au.team (172.16.1.2) 56(84) bytes of data.
64 bytes from srv2-cod.au.team (172.16.1.2): icmp_seq=1 ttl=63 time=17.3 ms
--- srv2-cod.au.team ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 17.274/17.274/17.274/0.000 ms
[user@adm-hq ~]$ ping -c1 srv3-cod
PING srv3-cod.au.team (172.16.1.3) 56(84) bytes of data.
64 bytes from srv3-cod.au.team (172.16.1.3): icmp_seq=1 ttl=63 time=22.3 ms
--- srv3-cod.au.team ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 22.270/22.270/22.270/0.000 ms
[user@adm-hq ~]$
Настраиваем OSPF для обмена маршрутной информацией с RTR-BR:
conf t
router ospf 1
passive-interface default
no passive-interface tunnel.3
network 10.0.3.0/30 area 0
network 172.16.0.0/23 area 0
exit
write memory
Добавляем статические маршруты в офис BR:
ip route 10.2.0.0/30 10.0.3.2
ip route 10.2.1.0/28 10.0.3.2
ip route 10.2.2.0/25 10.0.3.2
write memory
Проверяем полную связность между всеми плозадками:
Из HQ в BR:
[user@adm-hq ~]$ ping -c1 rtr-br
PING rtr-br.au.team (10.2.0.1) 56(84) bytes of data.
64 bytes from rtr-br.au.team (10.2.0.1): icmp_seq=1 ttl=63 time=43.1 ms
--- rtr-br.au.team ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 43.108/43.108/43.108/0.000 ms
[user@adm-hq ~]$ ping -c1 fw-br
PING fw-br.au.team (10.2.0.2) 56(84) bytes of data.
64 bytes from fw-br.au.team (10.2.0.2): icmp_seq=1 ttl=63 time=67.7 ms
--- fw-br.au.team ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 67.733/67.733/67.733/0.000 ms
[user@adm-hq ~]$ ping -c1 srv-br
PING srv-br.au.team (10.2.1.10) 56(84) bytes of data.
64 bytes from srv-br.au.team (10.2.1.10): icmp_seq=1 ttl=62 time=51.2 ms
--- srv-br.au.team ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 51.163/51.163/51.163/0.000 ms
[user@adm-hq ~]$ ping -c1 10.2.2.2
PING 10.2.2.2 (10.2.2.2) 56(84) bytes of data.
64 bytes from 10.2.2.2: icmp_seq=1 ttl=62 time=38.8 ms
--- 10.2.2.2 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 38.849/38.849/38.849/0.000 ms
[user@adm-hq ~]$
Из HQ в COD:
[user@adm-hq ~]$ ping -c1 rtr-cod
PING rtr-cod.au.team (172.16.1.254) 56(84) bytes of data.
64 bytes from rtr-cod.au.team (172.16.1.254): icmp_seq=1 ttl=63 time=11.7 ms
--- rtr-cod.au.team ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 11.707/11.707/11.707/0.000 ms
[user@adm-hq ~]$ ping -c1 sw-cod
PING sw-cod.au.team (172.16.1.0) 56(84) bytes of data.
64 bytes from sw-cod.au.team (172.16.1.0): icmp_seq=1 ttl=63 time=68.4 ms
--- sw-cod.au.team ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 68.379/68.379/68.379/0.000 ms
[user@adm-hq ~]$ ping -c1 ha1-cod
PING ha1-cod.au.team (172.16.0.1) 56(84) bytes of data.
64 bytes from ha1-cod.au.team (172.16.0.1): icmp_seq=1 ttl=63 time=67.0 ms
--- ha1-cod.au.team ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 67.007/67.007/67.007/0.000 ms
[user@adm-hq ~]$ ping -c1 ha2-cod
PING ha2-cod.au.team (172.16.0.2) 56(84) bytes of data.
64 bytes from ha2-cod.au.team (172.16.0.2): icmp_seq=1 ttl=63 time=42.4 ms
--- ha2-cod.au.team ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 42.440/42.440/42.440/0.000 ms
[user@adm-hq ~]$ ping -c1 srv1-cod
PING srv1-cod.au.team (172.16.1.1) 56(84) bytes of data.
64 bytes from srv1-cod.au.team (172.16.1.1): icmp_seq=1 ttl=63 time=40.6 ms
--- srv1-cod.au.team ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 40.582/40.582/40.582/0.000 ms
[user@adm-hq ~]$ ping -c1 srv2-cod
PING srv2-cod.au.team (172.16.1.2) 56(84) bytes of data.
64 bytes from srv2-cod.au.team (172.16.1.2): icmp_seq=1 ttl=63 time=56.2 ms
--- srv2-cod.au.team ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 56.217/56.217/56.217/0.000 ms
[user@adm-hq ~]$ ping -c1 srv3-cod
PING srv3-cod.au.team (172.16.1.3) 56(84) bytes of data.
64 bytes from srv3-cod.au.team (172.16.1.3): icmp_seq=1 ttl=63 time=45.0 ms
--- srv3-cod.au.team ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 45.002/45.002/45.002/0.000 ms
Из BR в HQ:
- предварительно необходимо добавить разрешающее правило для любого трафика в FORWARD на FW-HQ
[user@cli-br ~]$ ping -c1 fw-hq
PING fw-hq.au.team (10.1.1.1) 56(84) bytes of data.
64 bytes from fw-hq.au.team (10.1.1.1): icmp_seq=1 ttl=61 time=66.6 ms
--- fw-hq.au.team ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 66.590/66.590/66.590/0.000 ms
[user@cli-br ~]$ ping -c1 srv-hq
PING srv-hq.au.team (10.1.1.10) 56(84) bytes of data.
64 bytes from srv-hq.au.team (10.1.1.10): icmp_seq=1 ttl=61 time=14.5 ms
--- srv-hq.au.team ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 14.497/14.497/14.497/0.000 ms
[user@cli-br ~]$ ping -c1 10.1.2.128
PING 10.1.2.128 (10.1.2.128) 56(84) bytes of data.
64 bytes from 10.1.2.128: icmp_seq=1 ttl=61 time=52.2 ms
--- 10.1.2.128 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 52.249/52.249/52.249/0.000 ms
[user@cli-br ~]$
Из BR в COD:
[user@cli-br ~]$ ping -c1 rtr-cod
PING rtr-cod.au.team (172.16.1.254) 56(84) bytes of data.
64 bytes from rtr-cod.au.team (172.16.1.254): icmp_seq=1 ttl=62 time=34.0 ms
--- rtr-cod.au.team ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 33.967/33.967/33.967/0.000 ms
[user@cli-br ~]$ ping -c1 sw-cod
PING sw-cod.au.team (172.16.1.0) 56(84) bytes of data.
64 bytes from sw-cod.au.team (172.16.1.0): icmp_seq=1 ttl=61 time=71.3 ms
--- sw-cod.au.team ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 71.318/71.318/71.318/0.000 ms
[user@cli-br ~]$ ping -c1 ha1-cod
PING ha1-cod.au.team (172.16.0.1) 56(84) bytes of data.
64 bytes from ha1-cod.au.team (172.16.0.1): icmp_seq=1 ttl=61 time=71.1 ms
--- ha1-cod.au.team ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 71.091/71.091/71.091/0.000 ms
[user@cli-br ~]$ ping -c1 ha2-cod
PING ha2-cod.au.team (172.16.0.2) 56(84) bytes of data.
64 bytes from ha2-cod.au.team (172.16.0.2): icmp_seq=1 ttl=61 time=87.4 ms
--- ha2-cod.au.team ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 87.424/87.424/87.424/0.000 ms
[user@cli-br ~]$ ping -c1 srv1-cod
PING srv1-cod.au.team (172.16.1.1) 56(84) bytes of data.
64 bytes from srv1-cod.au.team (172.16.1.1): icmp_seq=1 ttl=61 time=83.4 ms
--- srv1-cod.au.team ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 83.361/83.361/83.361/0.000 ms
[user@cli-br ~]$ ping -c1 srv2-cod
PING srv2-cod.au.team (172.16.1.2) 56(84) bytes of data.
64 bytes from srv2-cod.au.team (172.16.1.2): icmp_seq=1 ttl=61 time=78.0 ms
--- srv2-cod.au.team ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 77.981/77.981/77.981/0.000 ms
[user@cli-br ~]$ ping -c1 srv3-cod
PING srv3-cod.au.team (172.16.1.3) 56(84) bytes of data.
64 bytes from srv3-cod.au.team (172.16.1.3): icmp_seq=1 ttl=61 time=99.0 ms
--- srv3-cod.au.team ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 99.024/99.024/99.024/0.000 ms
[user@cli-br ~]$
Из COD в HQ:
[root@sw-cod ~]# ping -c1 fw-hq
PING fw-hq.au.team (10.1.1.1) 56(84) bytes of data.
64 bytes from fw-hq.au.team (10.1.1.1): icmp_seq=1 ttl=62 time=14.8 ms
--- fw-hq.au.team ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 14.835/14.835/14.835/0.000 ms
[root@sw-cod ~]# ping -c1 srv-hq
PING srv-hq.au.team (10.1.1.10) 56(84) bytes of data.
64 bytes from srv-hq.au.team (10.1.1.10): icmp_seq=1 ttl=62 time=64.6 ms
--- srv-hq.au.team ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 64.578/64.578/64.578/0.000 ms
[root@sw-cod ~]# ping -c1 adm-hq
PING adm-hq.au.team (10.1.1.46) 56(84) bytes of data.
64 bytes from adm-hq.au.team (10.1.1.46): icmp_seq=1 ttl=62 time=15.3 ms
--- adm-hq.au.team ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 15.285/15.285/15.285/0.000 ms
[root@sw-cod ~]# ping -c1 10.1.2.128
PING 10.1.2.128 (10.1.2.128) 56(84) bytes of data.
64 bytes from 10.1.2.128: icmp_seq=1 ttl=62 time=53.5 ms
--- 10.1.2.128 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 53.537/53.537/53.537/0.000 ms
[root@sw-cod ~]#
Из COD в BR:
[root@sw-cod ~]# ping -c1 rtr-br
PING rtr-br.au.team (10.2.0.1) 56(84) bytes of data.
64 bytes from rtr-br.au.team (10.2.0.1): icmp_seq=1 ttl=63 time=74.0 ms
--- rtr-br.au.team ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 73.985/73.985/73.985/0.000 ms
[root@sw-cod ~]# ping -c1 fw-br
PING fw-br.au.team (10.2.0.2) 56(84) bytes of data.
64 bytes from fw-br.au.team (10.2.0.2): icmp_seq=1 ttl=62 time=89.5 ms
--- fw-br.au.team ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 89.501/89.501/89.501/0.000 ms
[root@sw-cod ~]# ping -c1 srv-br
PING srv-br.au.team (10.2.1.10) 56(84) bytes of data.
64 bytes from srv-br.au.team (10.2.1.10): icmp_seq=1 ttl=61 time=155 ms
--- srv-br.au.team ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 154.820/154.820/154.820/0.000 ms
[root@sw-cod ~]# ping -c1 10.2.2.2
PING 10.2.2.2 (10.2.2.2) 56(84) bytes of data.
64 bytes from 10.2.2.2: icmp_seq=1 ttl=61 time=109 ms
--- 10.2.2.2 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 108.745/108.745/108.745/0.000 ms
[root@sw-cod ~]#