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asofi2015-04-12 18:50:43
System administration
asofi, 2015-04-12 18:50:43

Will a client ping another client with this configuration?

В сети находятся маршрутизатор провайдера с такой конфигурацией интерфейса:
Interface fe0/1
Ip address 10.45.18.5 255.255.255.0
No shutdown
!
И маршрутизатор клиента с такой конфигурацией:
Interface e0/0
Ip address 10.45.18.15 255.255.255.128
No shutdown
!
Ip route 0.0.0.0 0.0.0.0 10.45.18.5
Будет ли клиент пинговать другого клиента с адресом 10.45.18.194 и почему?
Клиент на маршрутизаторе меняет конфигурацию интерфейса на такую:
Interface e0/0
Ip address 10.45.18.15 255.255.255.128
Ip address 10.45.19.15 255.255.255.0 sec
No shutdown
!
Будет ли адрес 10.45.19.15 присутствовать в ARP таблице маршрутизатора провайдера?

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1 answer(s)
Алексей Ямщиков, 2015-04-15
@mobilesfinks

1) no
, the client will not have a subnet mask of 255.255.255.128
, this gives us a subnet with addresses 10.45.18.0-10.45.18.127
and the second client is in a different subnet 10.45.18.129-10.45.18.255
for the network router 10.45.18.x are not presented separate because he himself has a mask of 255.255.255.0
2) "Will the address 10.45.19.15 be present in the ARP table of the provider's router?"
in theory, no, but there is nothing to check on - there are no cats.

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