Networking routers: Difference between revisions
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When a '''datagram''' | When a '''datagram''' is routed (datalink layer),<br> | ||
the datalink | the outer '''datalink''' info is removed, and it's payload with the '''network''' info is now used from here on out. | ||
= Tutorials = | = Tutorials = | ||
Revision as of 02:24, 8 August 2021
Routers use IP addresses, to route traffic between networks and/or subnets.
A routing table stores routes for each available network.
The target network for a packet is identified using the netmask, if the network exists in the routing table the packet is sent on that network.
+---------------+ +-----------------+
| network-1 | | network-2 |
|192.168.1.0/24 | | 10.0.0.0/24 |
| | +-----------------+ | |
| datagram | | router | | |
| 10.0.0.5/24 --------> 192.168.1.1/24 | | destination |
| | | 10.0.0.1/24 ------------> 10.0.0.5/24 |
| | | | | |
+---------------+ +-----------------+ +-----------------+When a datagram is routed (datalink layer),
the outer datalink info is removed, and it's payload with the network info is now used from here on out.
Tutorials
router in nixos https://francis.begyn.be/blog/nixos-home-router
Notes
routing schemes
