IS-IS - Level of Routing in OSI Networks
3 important questions on IS-IS - Level of Routing in OSI Networks
What does level 0 routing mean?
-Routing between an ES node and its nearets IS (intermediate system)
What does level 2 routing mean?
How does IS-IS level 0 discover neighbor ES and IS(gateway) and how much are these sent?
Neighbor advertisemens are not sent periodically
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