Posts Tagged ‘Routing’

Dynamic Routing Protocols:

Dynamic routing helps the admin overcome the time-consuming process of configuring and maintaining static routes.
Routing protocols have been used since the early 80s.
Routing algorithms have been in use since 1969.
Some function(s) of Dynamic Routing Protocols:
Dynamically share information between routers.
Automatically update routing table when topology changes.
Determine best path to a destination.

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Tags: vtp, vlan, switch, study, router, guides

Introducing the Topology:

The show controllers command reveals whether the cable is DCE or DTE.

#show controllers serial 0/0/0

Interface serial0/0/0
Hardware is powerQUICC MPC860
DCE v.35, no clock

Interfaces:
By default all Serial and Ethernet interfaces are down.
The routing table will be empty.

Debugging:

Allows us to watch changes a router performs in real time.
For example, to observe routes being added and removed.

#debug ip routing
#undebug all (disables all debug commands). or
#no debug all. or
#un a. (short form)

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Tags: 802.1q, study, vlan, switch, vtp, wan