Day 11 | Routing Fundamentals (part 1)

Routers store routes to all of their known destinations in the […]

routing table

When routers receive packets, they look in the […] to find the best route to forward that packet.

routing table

A […] route is manually configured by a network engineer/admin.

static

A […] route is added to the routing table by a protocol (ie. OSPF) that allows routers to communicate with each other and share routing information.

dynamic

The next router in the path to the destination is called the […].

next hop

"Show the routing table: R1# […]"

show ip route

What does code C in the routing table mean?

Connected

What does code L in the routing table mean?

Local

Which two routes are automatically added to the routing table when you configure an IP address on an interface?

1) a connected route 2) a local route

A […] route is a route to the actual IP address configured on the interface.

local

A […] route is a route to the network the interface is connected to.

connected

If a packet's destination IP is matched by multiple routes, which route will the router select?

The most specific matching route

Most specific matching route = the matching route with the […]

longest prefix length

What will a router do if none of its routes match a packet's destination IP address?

Drop the packet

Local routes use a prefix length of […]

/32

What prefix length do connected routes use?

The prefix length configured on the interface.