You are asked to retain several routes from an external BGP neighbor in the routing table
on your local router, but you are not allowed to forward traffic to these destinations. You
have configured a forwarding table firewall filter to block these routes, and applied it under
the (edit forwardingoptions] hierarchy, but the routes are still showing up in the forwarding
table. What is required to achieve this task?
A.
Use the no-install configuration statement within the EBGP neighbor group on your local
router.
B.
Configure an EBGP import policy on your local router to block the routes.
C.
Have the EBGP neighbor configure an export policy to block the routes.
D.
Configure an export policy for the forwarding table to block the routes.
Explanation:
A: Using no-install option:
no-install
Syntax
no-install;
Hierarchy Level
[edit protocols bgp family (inet | inet6 | inet-vpn | inet6-vpn | iso-vpn) (any | flow | labeled-unicast | multicast | unicast)]
Release Information
Statement introduced in Junos OS Release 15.1R1.
Description
Prohibit installing received routes in the forwarding table. This statement can be set per family.
Required Privilege Level
routing—To view this statement in the configuration.
routing-control—To add this statement to the configuration.