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Въпрос за 2 лан карти в 1 switch


EXPL1

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Днес забелязах нещо много странно което не мога да си обясня , защо когато 2 лан карти са в един switch , но на двете карти са вдигнати различни мрежи - да кажем на eth1 - 10.10.10.1/24 а на eth2 172.16.10.1/24 при arping към която и да е карта и двата mac адреса на картите отговарят ? Може ли по някакъв начин да се реши този проблем :)

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linux/Documentation/networking/ip-sysctl.txt:

arp_ignore - INTEGER

Define different modes for sending replies in response to

received ARP requests that resolve local target IP addresses:

0 - (default): reply for any local target IP address, configured

on any interface

1 - reply only if the target IP address is local address

configured on the incoming interface

2 - reply only if the target IP address is local address

configured on the incoming interface and both with the

sender's IP address are part from same subnet on this interface

3 - do not reply for local addresses configured with scope host,

only resolutions for global and link addresses are replied

4-7 - reserved

8 - do not reply for all local addresses

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Става също и да издопиш request-ите във Firewall-a в INPUT чейна и няма да имаш пинг.

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