Chapter 6 JunOS Routing fundamentals

Question 1

JunOS preferences

Answer 1

• Direct 0
• Local 0
• Static 5
• OSPF int 10
• RIP 100
• OSPF ext 150
• BGP 170

Question 2

Next hop on static routess

Answer 2

Next hop can be configured only with the IP of the next hop and not the exit interface

Question 3

Recursive resolution

Answer 3

When applying as next hop to a static route an IP not directly connected it needs to be specified the keywork “resolve” otherwise that IP won’t be resolve and the route won’t be showed in the routing table

Question 4

No-advertise on static routess

Answer 4

No-advertise pervent the static route to be advertised in some dynamic routing protocol

Question 5

RIB Groups

Answer 5

RIB Groups are a way to copy routes between different routing instances in Juniper so that if a packet coming from RI A needs to go out on an interface from RI B can do it directly.

Question 6

RIB Groups configuration

Answer 6

To configure a RIB groups we need to
specify the export RI rib and the import RI rib (can be more than 1)
configure the rib group under the protocol

The RIB exports and import are subject of import and export policy configured on the RI