Networking routers: Difference between revisions
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When a '''datagram''' travels between networks,<br> | |||
the datalink layer info is replaced with information specific to the new network it is passing through. | |||
= Tutorials = | = Tutorials = | ||
Revision as of 02:20, 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 |
| | +-----------------+ | |
| packet | | 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 travels between networks,
the datalink layer info is replaced with information specific to the new network it is passing through.
Tutorials
router in nixos https://francis.begyn.be/blog/nixos-home-router
Notes
routing schemes
