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m4300-28g
I'm still fairly new to this so I apologize in advance if I don't have all the correct information needed to phrase the question properly, but I've attached a diagram that might be able to better exp...
" do you mean the routing table in the OS of the machine. "
Not, really. When you set up a NIC, you define a subnet and a default gateway for it. Windows will create itself all necessary routes. You will be able to reach any address in those subnets right away. However for addresses outside of those subnets, Windows needs a default gateway and here’s the dilemma. Each NIC has its own default gateway, but there may be only one default gateway in a system as a whole. Therefore, Windows will pick one of those NICs and use it for those addresses all the time, that is unless it is told otherwise. Windows Server or Windows 10 makes it possible to set up load balancing to use multiple NICs. Windows 11 does not support it. But, yes, you can create static routes for some specific addresses or address ranges where you indicate the NIC to be used.
You will have a group of ports in vlan1 and a group of ports in vlan2. You simply connect Gateway #1 to a port that is a member of vlan1 and Gateway #2 to a port that is a member of vlan2. Each of the PC NICs will have its own default gateway, Gateway #1 for NIC #1 and Gateway #2 for NIC #2. That’s it. However, your PCs will need to use some logic to select either NIC #1 or NIC #2.
Ok wow that's pretty simple. Thanks so much. And just to make sure when you say the pc's will need some logic, do you mean the routing table in the OS of the machine. These will be windows machines so setting up routes in the routing table to point to each specific gateway of each nic card?
The basic static routing decision is defined on the PC with the two adapters is done by the IP stack based on the subnet addressing.
" do you mean the routing table in the OS of the machine. "
Not, really. When you set up a NIC, you define a subnet and a default gateway for it. Windows will create itself all necessary routes. You will be able to reach any address in those subnets right away. However for addresses outside of those subnets, Windows needs a default gateway and here’s the dilemma. Each NIC has its own default gateway, but there may be only one default gateway in a system as a whole. Therefore, Windows will pick one of those NICs and use it for those addresses all the time, that is unless it is told otherwise. Windows Server or Windows 10 makes it possible to set up load balancing to use multiple NICs. Windows 11 does not support it. But, yes, you can create static routes for some specific addresses or address ranges where you indicate the NIC to be used.
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