2 computers, 2 NICs in each computer.
Both computers connected to a router by 1 NIC each.
Second NICs in each system are wired together by a crossover patch cable.
Q. How do I tell the systems to send files to each other using the NICs with the crossover without sending through the router. Can it even be done?
I know how to do it using 1 NIC each but this is not the same.
Only the NIC, used to connect to the internet needs to have configured a defautl gateway.
As wanderer stated, configure both NICs for different subnets.
If the router has an ip address of 192.168.1.1
Configure the NICs, that are needed to connect to the internet, on both systems, to get ip address automatically over DHCP from the router.
The NICs, used for crossover connection, should be configured manually.
System1 (work computer)
NICSET1
ip via DHCP (gets something like 192.168.1.100)
Subnet mask: 255.255.255.0
DNS: 192.168.1.1 (the router)
default gateway: 192,168.1.1 (also the router)
NICSET2
ip manually configured: 192.168.2.100
subnet mask: 255.255.255.0
no DNS (not needed)
no default gateway (not needed)
System2 (backup computer)
NICSET1
ip via DHCP (gets something like 192.168.1.101)
Subnet mask: 255.255.255.0
DNS: 192.168.1.1 (the router)
default gateway: 192,168.1.1 (also the router)
NICSET2
ip manually configured: 192.168.2.101
subnet mask: 255.255.255.0
no DNS (not needed)
no default gateway (not needed)
Then do map the drives by using it’s ip address, e.g.:
\\192.168.2.101\shared_folder
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