Your company provides managed services for two customers. Each customer has been
segregated within its own routing instance on your SRX device. Customer A and customer
B inform you that they need to be able to reach certain hosts on each other’s network.
Which two configuration settings would be used to share routes between these routing
instances? (Choose two.)
A.
routing-group
B.
instance-import
C.
import-rib
D.
next-table
BC
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Very tricky question!!
Answer B & C are correct – as per this reference – https://kb.juniper.net/InfoCenter/index?page=content&id=KB19787 (Example – Importing Routes to and from virtual routers on SRX and J Series)
For answer “D” – “Next-table” is a part of “static route” with a qualifying term; reference – https://www.juniper.net/documentation/en_US/junos/topics/reference/configuration-statement/static-edit-routing-options.html
“A” is never correct as there is no such thing called “routing-group”; there is one called rib-group.
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Ignore my above comment here. Correct answer is B & D.
This question is asking “need to be able to reach certain hosts on each other’s network” – here the trick goes; you need to leak “certain routes” only and NOT whole routing table to each other.
Only “instance-import” and and “next-table” does support “Term with route-filter” to specify specific networks/hosts.
“import-rib” does not comes with term and route-filter – “C”.
“A” is never correct as there is no such thing called “routing-group”; there is one called rib-group.
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