Answers38
How to delay preemption VRRP - ANSWERS-set interfaces <interface unit> unit <logical-unit-
number> family inet address vrrp-group <number> preempt hold-time <seconds>
VRRP states 4x - ANSWERS-Initialize
Master
Backup (just listens to hello packets)
Transition
What means ISSU - ANSWERS-Unified In-service Software upgrade
What does ISSU - ANSWERS-Upgraden of Junos without interruptions of control plane and
almost not interruption forwarding plane
In which settings you can use ISSU - ANSWERS-chassis with 2 routing engines or Virtual chassis
Which routing engine is upgrade first - ANSWERS-Backup routing engine
What needs to be enabled when you want to use ISSU - ANSWERS-GRES and NSR
Steps for ISSU 4x - ANSWERS-Bakcup both routing engines
Download new software
Execute ISSU
,Check version
How to backup routing engine 3x - ANSWERS-request system snapshot
request routing-engine login re0
request system snapshot
How to executer ISSU - ANSWERS-request system software in-service-upgrade
</var/tmp/file.tgz> reboot
How to check ISSU suceed - ANSWERS-show version income-on all-routing-engines
Which juniper platforms is exlcuded for ISSU - ANSWERS-EX switches
Route preference Direct Routes - ANSWERS-0-
Route preference System Routes - ANSWERS-4
Route preference Static Routes - ANSWERS-5
Route preference Static LSPs - ANSWERS-6
Route preference RSVP signaled LSPs - ANSWERS-7
Route preference LDP signaled LSPs - ANSWERS-9
Route preference OSPF internal route - ANSWERS-10
,Route preference OSPF SR (Segment route) - ANSWERS-10
Route preference IS-IS route - ANSWERS-14
IS-IS L1 internal route - ANSWERS-15
Route preference IS-IS L2 internal route - ANSWERS-18
Route preference RIP - ANSWERS-100
Route preference Aggregate routes / Generate routes - ANSWERS-130
Route preference OSPD AS external routes - ANSWERS-150
Route preference IS-IS L1 external routes - ANSWERS-160
Route preference IS-IS L2 external routes - ANSWERS-165
Route preference BGP - ANSWERS-170
Comando set static route default - ANSWERS-set routing-options static default
Aggregate route default next hop - ANSWERS-reject
Set aggregate route command - ANSWERS-set routing-options aggregate route 10.10.0.0/30
, 3 Similarities between Aggregate route and Generate - ANSWERS-Both create summary routes
in routing table
Both have routing preference 130
Only appear in routing table of there is at least one or more specific subnet.
Difference between Aggregate route and Generate - ANSWERS-Aggregate only Discard or reject
Generate can Also have a real nexthop and no reject.
Generate route routes traffic to next hop unless more specific route is available
Aggragte route drop packet if no more specific route is available.
Set generate route command - ANSWERS-set routing-options generate route 0.0.0.0/0 next-hop
x.x.x.x/x
Name the 7 Martian IPv4 adresses - ANSWERS-0.0.0.0/0
0.0.0.0/8
127.0.0.0/8
192.0.0.0/24
240.0.0.0/4
224.0.0.0/4
224.0.0.0/24
x
Other word for RIB - ANSWERS-routing table / routing inflation base
What is a routing instance? - ANSWERS-(virtual router) A routing instance is a collection of
routing tables, interfaces, and routing protocol parameters.