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A Prova Seleção Infra

Por:   •  20/3/2021  •  Dissertação  •  1.410 Palavras (6 Páginas)  •  193 Visualizações

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  1. Considerando a seguinte topologia:

[pic 1]

Server A:

analista@serverA ~]# ifconfig

eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500

inet 10.2.0.10 netmask 255.255.0.0 broadcast 10.2.255.255

inet6 fe80::e1bf:871c:5a1d:2bc6 prefixlen 64 scopeid 0x0<global> ether 0a:00:27:00:00:07 (Ethernet)

RX packets 0 bytes 0 (0.0 B)

RX errors 0 dropped 0 overruns 0 frame 0

TX packets 0 bytes 0 (0.0 B)

TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

eth1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500

inet 192.168.56.10 netmask 255.255.255.0 broadcast 192.168.56.255 inet6 fe80::e1bf:871c:5a1d:2bc6 prefixlen 64 scopeid 0x0<global> ether 0a:00:27:00:00:07 (Ethernet)

RX packets 0 bytes 0 (0.0 B)

RX errors 0 dropped 0 overruns 0 frame 0

TX packets 0 bytes 0 (0.0 B)

TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

lo: flags=73<UP,LOOPBACK,RUNNING> mtu 1500

inet 127.0.0.1 netmask 255.0.0.0

inet6 ::1 prefixlen 128 scopeid 0x0<global> loop (Local Loopback)

RX packets 0 bytes 0 (0.0 B)

RX errors 0 dropped 0 overruns 0 frame 0

TX packets 0 bytes 0 (0.0 B)

TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

analista@serverA ~]# route -n Kernel IP routing table

Destination        Gateway        Genmask        Flags Metric Ref        Use Iface

0.0.0.0

10.2.0.1

0.0.0.0

UG

0

0

0 eth0

10.2.0.0

0.0.0.0

255.255.0.0

U

0

0

0 eth0

192.168.56.0

0.0.0.0

255.255.255.0

U

256

0

0 eth1

192.168.56.1

0.0.0.0

255.255.255.255

U

256

0

0 eth1

Server B:

analista@serverB ~]# ifconfig

eth0 Link encap:Ethernet HWaddr 00:0c:29:34:c2:c5

inet addr:10.2.200.33 Bcast:10.2.200.255 Mask:255.255.255.0

inet6 addr: fe80::20c:29ff:fe34:c2c5/64 Scope:Link

UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1

RX packets:8357104 errors:0 dropped:3795 overruns:0 frame:0 TX packets:2956056 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0

RX bytes:484811214 (462.3 MiB) TX bytes:929851812 (886.7 MiB)

eth1 Link encap:Ethernet HWaddr 00:0c:29:34:c2:c5

inet addr:192.168.56.33 Bcast:192.168.56.255 Mask:255.255.255.0

inet6 addr: fe80::20c:29ff:fe34:c2c5/64 Scope:Link inet6 addr: 2804:10:14:ff11::1/64 Scope:Global

UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1

RX packets:1092045700 errors:0 dropped:0 overruns:0 frame:0 TX packets:1057614839 errors:0 dropped:4 overruns:0 carrier:0 collisions:0 txqueuelen:0

RX bytes:2191737856701 (1.9 TiB) TX bytes:80340981239 (74.8 GiB)

lo        Link encap:Local Loopback

inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host

UP LOOPBACK RUNNING MTU:16436 Metric:1

RX packets:5461812 errors:0 dropped:0 overruns:0 frame:0 TX packets:5461812 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0

RX bytes:390462011 (372.3 MiB) TX bytes:390462011 (372.3 MiB)

analista@serverB ~]# route -n Kernel IP routing table

Destination        Gateway        Genmask        Flags Metric Ref        Use Iface

0.0.0.0

10.2.0.1

0.0.0.0

UG

0

0

0 eth0

10.2.0.0

0.0.0.0

255.255.255.0

U

0

0

0 eth0

192.168.56.0

0.0.0.0

255.255.255.0

U

256

0

0 eth1

192.168.56.1

0.0.0.0

255.255.255.255

U

256

0

0 eth1

O analista testou realizar um teste de conectividade, executando traceroute do server A para o B e obteve o seguinte resultado:

traceroute to 10.2.200.33 (10.2.200.33), 30 hops max, 60 byte packets

1 10.2.0.1 (10.2.0.1) 0.440 ms 0.358 ms 0.326 ms

2 10.2.0.1 (10.2.0.1) 2991.240 ms !H 2991.268 ms !H 2991.242 ms !H

ping do B para o A:

serverB# ping 10.2.0.10 -c 4

PING 10.2.0.10 (10.2.0.10) 56(84) bytes of data.

From 10.2.0.1: icmp_seq=1 Destination Host Unreachable From 10.2.0.1: icmp_seq=2 Destination Host Unreachable From 10.2.0.1: icmp_seq=3 Destination Host Unreachable From 10.2.0.1: icmp_seq=4 Destination Host Unreachable

--- 10.2.0.10 ping statistics ---

4 packets transmitted, 0 received, +4 errors, 100% packet loss, time 3003ms Testando o ping para o 192.168.56.33 (ping do A para o B)

...

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